Academic Journals Database
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BMC Medical Research Methodology

ISSN: 1471--2288
Publisher: BioMed Central


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Validation of the turkish version of the centre for epidemiologic studies depression scale (ces-d) in patients with type 2 diabetes mellitus

Author(s): Lehmann Vicky | Makine Ceylan | Karşıdağ Çagatay | Kadıoğlu Pinar | Karşıdağ Kubilay | Pouwer François
Volume: 11
Issue: 1
Year: 2011
Sample size calculations for cluster randomised controlled trials with a fixed number of clusters

Author(s): Hemming Karla | Girling Alan | Sitch Alice | Marsh Jennifer | Lilford Richard
Volume: 11
Issue: 1
Year: 2011
A review of equity issues in quantitative studies on health inequalities: the case of asthma in adults

Author(s): Greenwood Heather | Edwards Nancy | Hoogbruin Amandah | Kahwa Eulalia | Odhiambo Okeyo | Buong Jack
Volume: 11
Issue: 1
Year: 2011
Comparison of indicators of material circumstances in the context of an epidemiological study

Author(s): Nkosi Thomas | Parent Marie-Elise | Siemiatycki Jack | Pintos Javier | Rousseau Marie-Claude
Volume: 11
Issue: 1
Year: 2011
Simulation methods to estimate design power: an overview for applied research

Author(s): Arnold Benjamin | Hogan Daniel | Colford John | Hubbard Alan
Volume: 11
Issue: 1
Year: 2011
Telephone and face to face methods of assessment of veteran's community reintegration yield equivalent results

Author(s): Resnik Linda | Clark Melissa | Borgia Matthew
Volume: 11
Issue: 1
Year: 2011
Revisiting the dimensional structure of the Edinburgh Postnatal Depression Scale (EPDS): empirical evidence for a general factor

Author(s): Reichenheim Michael | Moraes Claudia | Oliveira Alessandra | Lobato Gustavo
Volume: 11
Issue: 1
Year: 2011
Reported frequency of physical activity in a large epidemiological study: relationship to specific activities and repeatability over time

Author(s): Armstrong Miranda | Cairns Benjamin | Green Jane | Reeves Gillian | Beral Valerie
Volume: 11
Issue: 1
Year: 2011
Estimating and modelling cure in population-based cancer studies within the framework of flexible parametric survival models

Author(s): Andersson Therese | Dickman Paul | Eloranta Sandra | Lambert Paul
Volume: 11
Issue: 1
Year: 2011
Stratified sampling design and loss to follow-up in survival models: evaluation of efficiency and bias

Author(s): César Cibele | Carvalho Marilia
Volume: 11
Issue: 1
Year: 2011
Baseline characteristics and patient reported outcome data of patients prescribed etanercept: web-based and telephone evaluation

Author(s): Wade Alan | Crawford Gordon | Pumford Neil | Koscielny Volker | Maycock Susan | McConnachie Alex
Volume: 11
Issue: 1
Year: 2011
The Global Evidence Mapping Initiative: Scoping research in broad topic areas

Author(s): Bragge Peter | Clavisi Ornella | Turner Tari | Tavender Emma | Collie Alex | Gruen Russell
Volume: 11
Issue: 1
Year: 2011
Additive and multiplicative hazards modeling for recurrent event data analysis

Author(s): Lim Hyun | Zhang Xu
Volume: 11
Issue: 1
Year: 2011
The case study approach

Author(s): Crowe Sarah | Cresswell Kathrin | Robertson Ann | Huby Guro | Avery Anthony | Sheikh Aziz
Volume: 11
Issue: 1
Year: 2011
Understanding competing risks: a simulation point of view

Author(s): Allignol Arthur | Schumacher Martin | Wanner Christoph | Drechsler Christiane | Beyersmann Jan
Volume: 11
Issue: 1
Year: 2011
Novel study designs to investigate the placebo response

Author(s): Enck Paul | Klosterhalfen Sibylle | Zipfel Stephan
Volume: 11
Issue: 1
Year: 2011
Using e-mail recruitment and an online questionnaire to establish effect size: A worked example

Author(s): Kirkby Helen | Wilson Sue | Calvert Melanie | Draper Heather
Volume: 11
Issue: 1
Year: 2011
Optimizing the diagnostic power with gastric emptying scintigraphy at multiple time points

Author(s): Hou Qingjiang | Lin Zhiyue | Dusing Reginald | Gajewski Byron | McCallum Richard | Mayo Matthew
Volume: 11
Issue: 1
Year: 2011
How the psychosocial context of clinical trials differs from usual care: A qualitative study of acupuncture patients

Author(s): Barlow Fiona | Scott Clare | Coghlan Beverly | Lee Philippa | White Peter | Lewith George | Bishop Felicity
Volume: 11
Issue: 1
Year: 2011
A comparison of small monetary incentives to convert survey non-respondents: a randomized control trial

Author(s): Griffin Joan | Simon Alisha | Hulbert Erin | Stevenson John | Grill Joseph | Noorbaloochi Siamak | Partin Melissa
Volume: 11
Issue: 1
Year: 2011
Optimizing cost-efficiency in mean exposure assessment - cost functions reconsidered

Author(s): Mathiassen Svend Erik | Bolin Kristian
Volume: 11
Issue: 1
Year: 2011
The predictive value of ICD-10 diagnostic coding used to assess Charlson comorbidity index conditions in the population-based Danish National Registry of Patients

Author(s): Thygesen Sandra | Christiansen Christian | Christensen Steffen | Lash Timothy | Sørensen Henrik
Volume: 11
Issue: 1
Year: 2011
Competing risk models to estimate the excess mortality and the first recurrent-event hazards

Author(s): Belot Aurélien | Remontet Laurent | Launoy Guy | Jooste Valérie | Giorgi Roch
Volume: 11
Issue: 1
Year: 2011
Measurement invariance of the center for epidemiological studies depression scale (CES-D) among chinese and dutch elderly

Author(s): Zhang Baoshan | Fokkema Marjolein | Cuijpers Pim | Li Juan | Smits Niels | Beekman Aartjan
Volume: 11
Issue: 1
Year: 2011
Using quantile regression to investigate racial disparities in medication non-adherence

Author(s): Gebregziabher Mulugeta | Lynch Cheryl | Mueller Martina | Gilbert Gregory | Echols Carrae | Zhao Yumin | Egede Leonard
Volume: 11
Issue: 1
Year: 2011
Use of hospitalisation history (lookback) to determine prevalence of chronic diseases: impact on modelling of risk factors for haemorrhage in pregnancy

Author(s): Chen Jian Sheng | Roberts Christine | Simpson Judy | Ford Jane
Volume: 11
Issue: 1
Year: 2011
Design of a factorial experiment with randomization restrictions to assess medical device performance on vascular tissue

Author(s): Diestelkamp Wiebke | Krane Carissa | Pinnell Margaret
Volume: 11
Issue: 1
Year: 2011
Pitfalls in the statistical examination and interpretation of the correspondence between physician and patient satisfaction ratings and their relevance for shared decision making research

Author(s): Hirsch Oliver | Keller Heidemarie | Albohn-Kühne Christina | Krones Tanja | Donner-Banzhoff Norbert
Volume: 11
Issue: 1
Year: 2011
Bayesian adjustment for measurement error in continuous exposures in an individually matched case-control study

Author(s): Espino-Hernandez Gabriela | Gustafson Paul | Burstyn Igor
Volume: 11
Issue: 1
Year: 2011
Measurement properties of translated versions of neck-specific questionnaires: a systematic review

Author(s): Schellingerhout Jasper | Heymans Martijn | Verhagen Arianne | de Vet Henrica | Koes Bart | Terwee Caroline
Volume: 11
Issue: 1
Year: 2011
Concordance of self-reported and medical chart information on cancer diagnosis and treatment

Author(s): Gupta Vinay | Gu Kai | Chen Zhi | Lu Wei | Shu Xiao Ou | Zheng Ying
Volume: 11
Issue: 1
Year: 2011
Power estimation of tests in log-linear non-uniform association models for ordinal agreement

Author(s): Valet Fabien | Mary Jean-Yves
Volume: 11
Issue: 1
Year: 2011
Alternative statistical methods for estimating efficacy of interferon beta-1b for multiple sclerosis clinical trials

Author(s): Mieno Makiko | Yamaguchi Takuhiro | Ohashi Yasuo
Volume: 11
Issue: 1
Year: 2011
Unravelling the effects of age, period and cohort on metabolic syndrome components in a Taiwanese population using partial least squares regression

Author(s): Tu Yu-Kang | Chien Kuo-Liong | Burley Victoria | Gilthorpe Mark
Volume: 11
Issue: 1
Year: 2011
Instrumental variable meta-analysis of individual patient data: application to adjust for treatment non-compliance

Author(s): Miladinovic Branko | Kumar Ambuj | Hozo Iztok | Djulbegovic Benjamin
Volume: 11
Issue: 1
Year: 2011
Calculating unreported confidence intervals for paired data

Author(s): Hirji Karim | Fagerland Morten
Volume: 11
Issue: 1
Year: 2011
Successful recruitment to trials: a phased approach to opening gates and building bridges

Author(s): Patterson Sue | Mairs Hilary | Borschmann Rohan
Volume: 11
Issue: 1
Year: 2011
Comparison of three tests of homogeneity of odds ratios in multicenter trials with unequal sample sizes within and among centers

Author(s): Bagheri Zahra | Ayatollahi Seyyed Mohammad Taghi | Jafari Peyman
Volume: 11
Issue: 1
Year: 2011
Logistic random effects regression models: a comparison of statistical packages for binary and ordinal outcomes

Author(s): Li Baoyue | Lingsma Hester | Steyerberg Ewout | Lesaffre Emmanuel
Volume: 11
Issue: 1
Year: 2011
Central and East European migrant men who have sex with men in London: a comparison of recruitment methods

Author(s): Evans Alison | Hart Graham | Mole Richard | Mercer Catherine | Parutis Violetta | Gerry Christopher | Imrie John | Burns Fiona
Volume: 11
Issue: 1
Year: 2011
Adjusting a cancer mortality-prediction model for disease status-related eligibility criteria

Author(s): Foy Millennia | Chen Xing | Kimmel Marek | Gorlova Olga
Volume: 11
Issue: 1
Year: 2011
The use of fasting vs. non-fasting triglyceride concentration for estimating the prevalence of high LDL-cholesterol and metabolic syndrome in population surveys

Author(s): Sundvall Jouko | Leiviskä Jaana | Laatikainen Tiina | Peltonen Markku | Salomaa Veikko | Vanhala Mauno | Korpi-Hyövälti Eeva | Lauronen Jukka | Alfthan Georg
Volume: 11
Issue: 1
Year: 2011
Network meta-analysis of survival data with fractional polynomials

Author(s): Jansen Jeroen
Volume: 11
Issue: 1
Year: 2011
The validation of the standard Chinese version of the European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire 30 (EORTC QLQ-C30) in pre-operative patients with brain tumor in China

Author(s): Cheng Jin-xiang | Liu Bo-lin | Zhang Xiang | Zhang Yong-qiang | Lin Wei | Wang Rui | Zhang Yong-qin | Zhang Hong-ying | Xie Li | Huo Jun-li
Volume: 11
Issue: 1
Year: 2011
Cross-cultural adaptation and validation of Behçet's disease quality of life questionnaire

Author(s): Touma Zahi | Ghandour Lilian | Sibai Abla | Puzantian Houry | Hamdan Ayad | Hamdan Omar | Menassa Jeanine | Uthman Imad | Arayssi Thurayya
Volume: 11
Issue: 1
Year: 2011
Effect of questionnaire length, personalisation and reminder type on response rate to a complex postal survey: randomised controlled trial

Author(s): Sahlqvist Shannon | Song Yena | Bull Fiona | Adams Emma | Preston John | Ogilvie David
Volume: 11
Issue: 1
Year: 2011
A multiplicative hazard regression model to assess the risk of disease transmission at hospital during community epidemics

Author(s): Voirin Nicolas | Roche Sylvain | Vanhems Philippe | Giard Marine | David-Tchouda Sandra | Barret Béatrice | Ecochard René
Volume: 11
Issue: 1
Year: 2011
A flexible Bayesian hierarchical model of preterm birth risk among US Hispanic subgroups in relation to maternal nativity and education

Author(s): Kaufman Jay | MacLehose Richard | Torrone Elizabeth | Savitz David
Volume: 11
Issue: 1
Year: 2011
Evaluating treatments in health care: The instability of a one-legged stool

Author(s): Kaplan Bonnie | Giesbrecht Gerald | Shannon Scott | McLeod Kevin
Volume: 11
Issue: 1
Year: 2011
Do agreements between adolescent and parent reports on family socioeconomic status vary with household financial stress?

Author(s): Pu Christy | Huang Nicole | Chou Yiing-Jenq
Volume: 11
Issue: 1
Year: 2011
Methodological challenges when estimating the effects of season and seasonal exposures on birth outcomes

Author(s): Strand Linn | Barnett Adrian | Tong Shilu
Volume: 11
Issue: 1
Year: 2011
Quantifying, displaying and accounting for heterogeneity in the meta-analysis of RCTs using standard and generalised Q statistics

Author(s): Bowden Jack | Tierney Jayne | Copas Andrew | Burdett Sarah
Volume: 11
Issue: 1
Year: 2011
Web-based computer adaptive assessment of individual perceptions of job satisfaction for hospital workplace employees

Author(s): Chien Tsair-Wei | Lai Wen-Pin | Lu Chih-Wei | Wang Weng-Chung | Chen Shih-Chung | Wang Hsien-Yi | Su Shih-Bin
Volume: 11
Issue: 1
Year: 2011
The care unit in nursing home research: Evidence in support of a definition

Author(s): Estabrooks Carole | Morgan Debra | Squires Janet | Boström Anne-Marie | Slaughter Susan | Cummings Greta | Norton Peter
Volume: 11
Issue: 1
Year: 2011
Tolerability of the Oscar 2 ambulatory blood pressure monitor among research participants: a cross-sectional repeated measures study

Author(s): Viera Anthony | Lingley Kara | Hinderliter Alan
Volume: 11
Issue: 1
Year: 2011
Parametric methods outperformed non-parametric methods in comparisons of discrete numerical variables

Author(s): Fagerland Morten | Sandvik Leiv | Mowinckel Petter
Volume: 11
Issue: 1
Year: 2011
Good agreement between questionnaire and administrative databases for health care use and costs in patients with osteoarthritis

Author(s): Pinto Daniel | Robertson M Clare | Hansen Paul | Abbott J Haxby
Volume: 11
Issue: 1
Year: 2011
Estimating uncertainty of alcohol-attributable fractions for infectious and chronic diseases

Author(s): Gmel Gerrit | Shield Kevin | Frick Hannah | Kehoe Tara | Gmel Gerhard | Rehm Jürgen
Volume: 11
Issue: 1
Year: 2011
Progression of liver cirrhosis to HCC: an application of hidden Markov model

Author(s): Bartolomeo Nicola | Trerotoli Paolo | Serio Gabriella
Volume: 11
Issue: 1
Year: 2011
Validation of de-identified record linkage to ascertain hospital admissions in a cohort study

Author(s): Beauchamp Alison | Tonkin Andrew | Kelsall Helen | Sundararajan Vijaya | English Dallas | Sundaresan Lalitha | Wolfe Rory | Turrell Gavin | Giles Graham | Peeters Anna
Volume: 11
Issue: 1
Year: 2011
An accurate and efficient identification of children with psychosocial problems by means of computerized adaptive testing

Author(s): Vogels Antonius | Jacobusse Gert | Reijneveld Symen
Volume: 11
Issue: 1
Year: 2011
Methodological reporting of randomized controlled trials in major hepato-gastroenterology journals in 2008 and 1998: a comparative study

Author(s): Wang Ji-Lin | Sun Tian-Tian | Lin Yan-Wei | Lu Rong | Fang Jing-Yuan
Volume: 11
Issue: 1
Year: 2011
A self-controlled case series to assess the effectiveness of beta blockers for heart failure in reducing hospitalisations in the elderly

Author(s): Ramsay Emmae | Roughead Elizabeth | Ewald Ben | Pratt Nicole | Ryan Philip
Volume: 11
Issue: 1
Year: 2011
Advancing the argument for validity of the Alberta Context Tool with healthcare aides in residential long-term care

Author(s): Estabrooks Carole | Squires Janet | Hayduk Leslie | Cummings Greta | Norton Peter
Volume: 11
Issue: 1
Year: 2011
Self-perceived quality of life predicts mortality risk better than a multi-biomarker panel, but the combination of both does best

Author(s): Haring Robin | Feng You-Shan | Moock Jörn | Völzke Henry | Dörr Marcus | Nauck Matthias | Wallaschofski Henri | Kohlmann Thomas
Volume: 11
Issue: 1
Year: 2011
Suitability of measures of self-reported medication adherence for routine clinical use: A systematic review

Author(s): Garfield Sara | Clifford Sarah | Eliasson Lina | Barber Nick | Willson Alan
Volume: 11
Issue: 1
Year: 2011
Validation of diabetes mellitus and hypertension diagnosis in computerized medical records in primary health care

Author(s): de Burgos-Lunar Carmen | Salinero-Fort Miguel | Cárdenas-Valladolid Juan | Soto-Díaz Sonia | Fuentes-Rodríguez Carmen | Abánades-Herranz Juan | del Cura-González Isabel
Volume: 11
Issue: 1
Year: 2011
Predicting complete loss to follow-up after a health-education program: number of absences and face-to-face contact with a researcher

Author(s): Park MJ | Yamazaki Yoshihiko | Yonekura Yuki | Yukawa Keiko | Ishikawa Hirono | Kiuchi Takahiro | Green Joseph
Volume: 11
Issue: 1
Year: 2011
Estimation of current cumulative incidence of leukaemia-free patients and current leukaemia-free survival in chronic myeloid leukaemia in the era of modern pharmacotherapy

Author(s): Pavlík Tomáš | Janoušová Eva | Pospíšil Zdeněk | Mužík Jan | Žáčková Daniela | Ráčil Zdeněk | Klamová Hana | Cetkovský Petr | Trněný Marek | Mayer Jiří | Dušek Ladislav
Volume: 11
Issue: 1
Year: 2011
Prediction of intracranial findings on CT-scans by alternative modelling techniques

Author(s): van der Ploeg Tjeerd | Smits Marion | Dippel Diederik | Hunink Myriam | Steyerberg Ewout
Volume: 11
Issue: 1
Year: 2011
Validity of the international physical activity questionnaire and the Singapore prospective study program physical activity questionnaire in a multiethnic urban Asian population

Author(s): Nang Ei Ei Khaing | Gitau Ngunjiri Susan Ayuko | Wu Yi | Salim Agus | Tai E Shyong | Lee Jeannette | Van Dam Rob
Volume: 11
Issue: 1
Year: 2011
Development of a multi-dimensional measure of resilience in adolescents: the Adolescent Resilience Questionnaire

Author(s): Gartland Deirdre | Bond Lyndal | Olsson Craig | Buzwell Simone | Sawyer Susan
Volume: 11
Issue: 1
Year: 2011
A proposed method to investigate reliability throughout a questionnaire

Author(s): Wentzel-Larsen Tore | Norekvål Tone | Ulvik Bjørg | Nygård Ottar | Pripp Are
Volume: 11
Issue: 1
Year: 2011
Improved curve fits to summary survival data: application to economic evaluation of health technologies

Author(s): Hoyle Martin | Henley William
Volume: 11
Issue: 1
Year: 2011
Study protocol: the empirical investigation of methods to correct for measurement error in biobanks with dietary assessment

Author(s): Bennett Derrick | Little Julian | Masson Lindsey | Minelli Cosetta
Volume: 11
Issue: 1
Year: 2011
Reproducibility and day time bias correction of optoelectronic leg volumetry: a prospective cohort study

Author(s): Engelberger Rolf | Blazek Claudia | Amsler Felix | Keo Hong | Baumann Frédéric | Blättler Werner | Baumgartner Iris | Willenberg Torsten
Volume: 11
Issue: 1
Year: 2011
Application of latent semantic analysis for open-ended responses in a large, epidemiologic study

Author(s): Leleu Travis | Jacobson Isabel | LeardMann Cynthia | Smith Besa | Foltz Peter | Amoroso Paul | Derr Marcia | Ryan Margaret | Smith Tyler
Volume: 11
Issue: 1
Year: 2011
A poisson regression approach for modelling spatial autocorrelation between geographically referenced observations

Author(s): Mohebbi Mohammadreza | Wolfe Rory | Jolley Damien
Volume: 11
Issue: 1
Year: 2011
Reporting of loss to follow-up information in randomised controlled trials with time-to-event outcomes: a literature survey

Author(s): Vervölgyi Elke | Kromp Mandy | Skipka Guido | Bender Ralf | Kaiser Thomas
Volume: 11
Issue: 1
Year: 2011
Potential risk factors associated with human encephalitis: application of canonical correlation analysis

Author(s): Hamid Jemila | Meaney Christopher | Crowcroft Natasha | Granerod Julia | Beyene Joseph
Volume: 11
Issue: 1
Year: 2011
Psychometric properties of the IDS-SR30 for the assessment of depressive symptoms in spanish population

Author(s): Gili Margalida | Luciano Juan | Bauzá Natalia | Aguado Jaume | Serrano María | Armengol Silvia | Roca Miquel
Volume: 11
Issue: 1
Year: 2011
Benefits of ICU admission in critically ill patients: Whether instrumental variable methods or propensity scores should be used

Author(s): Pirracchio Romain | Sprung Charles | Payen Didier | Chevret Sylvie
Volume: 11
Issue: 1
Year: 2011
Imputation of missing values of tumour stage in population-based cancer registration

Author(s): Eisemann Nora | Waldmann Annika | Katalinic Alexander
Volume: 11
Issue: 1
Year: 2011
How to do a grounded theory study: a worked example of a study of dental practices

Author(s): Sbaraini Alexandra | Carter Stacy | Evans R | Blinkhorn Anthony
Volume: 11
Issue: 1
Year: 2011
A randomised trial and economic evaluation of the effect of response mode on response rate, response bias, and item non-response in a survey of doctors

Author(s): Scott Anthony | Jeon Sung-Hee | Joyce Catherine | Humphreys John | Kalb Guyonne | Witt Julia | Leahy Anne
Volume: 11
Issue: 1
Year: 2011
Re-evaluating a vision-related quality of life questionnaire with item response theory (IRT) and differential item functioning (DIF) analyses

Author(s): van Nispen Ruth | Knol Dirk | Langelaan Maaike | van Rens Ger
Volume: 11
Issue: 1
Year: 2011
A questionnaire to measure melanoma risk, knowledge and protective behaviour: Assessing content validity in a convenience sample of Scots and Australians

Author(s): Gillespie Helen | Watson Tony | Emery Jon | Lee Amanda | Murchie Peter
Volume: 11
Issue: 1
Year: 2011
Using qualitative synthesis to explore heterogeneity of complex interventions

Author(s): Candy Bridget | King Michael | Jones Louise | Oliver Sandy
Volume: 11
Issue: 1
Year: 2011
Multiple dimensions of health locus of control in a representative population sample: ordinal factor analysis and cross-validation of an existing three and a new four factor model

Author(s): Otto Christiane | Bischof Gallus | Rumpf Hans-Jürgen | Meyer Christian | Hapke Ulfert | John Ulrich
Volume: 11
Issue: 1
Year: 2011
Validation of the Comprehensive Feeding Practices Questionnaire with parents of 10-to-12-year-olds

Author(s): Melbye Elisabeth | Øgaard Torvald | Øverby Nina
Volume: 11
Issue: 1
Year: 2011
The reliability of assigning individuals to cognitive states using the Mini Mental-State Examination: a population-based prospective cohort study

Author(s): Marioni Riccardo | Chatfield Mark | Brayne Carol | Matthews Fiona
Volume: 11
Issue: 1
Year: 2011
Pre-validation methods for developing a patient reported outcome instrument

Author(s): Prior Maria | Hamzah Jemaima | Francis Jillian | Ramsay Craig | Castillo Mayret | Campbell Susan | Azuara-Blanco Augusto | Burr Jennifer
Volume: 11
Issue: 1
Year: 2011
Psychometric properties and longitudinal validation of the self-reporting questionnaire (SRQ-20) in a Rwandan community setting: a validation study

Author(s): Scholte Willem | Verduin Femke | van Lammeren Anouk | Rutayisire Theoneste | Kamperman Astrid
Volume: 11
Issue: 1
Year: 2011
Protocol - realist and meta-narrative evidence synthesis: Evolving Standards (RAMESES)

Author(s): Greenhalgh Trisha | Wong Geoff | Westhorp Gill | Pawson Ray
Volume: 11
Issue: 1
Year: 2011
Effort, reward and self-reported mental health: a simulation study on negative affectivity bias

Author(s): Arial Marc | Wild Pascal
Volume: 11
Issue: 1
Year: 2011
Questions asked and answered in pilot and feasibility randomized controlled trials

Author(s): Shanyinde Milensu | Pickering Ruth | Weatherall Mark
Volume: 11
Issue: 1
Year: 2011
Testing for differences in distribution tails to test for differences in 'maximum' lifespan

Author(s): Gao Guimin | Wan Wen | Zhang Sijian | Redden David | Allison David
Volume: 8
Issue: 1
Year: 2008
Experiences of a long-term randomized controlled prevention trial in a maiden environment: Estonian Postmenopausal Hormone Therapy trial

Author(s): Hovi Sirpa-Liisa | Veerus Piret | Rahu Mati | Hemminki Elina
Volume: 8
Issue: 1
Year: 2008
Sampling 'hard-to-reach' populations in health research: yield from a study targeting Americans living in Canada

Author(s): Southern Danielle | Lewis Steven | Maxwell Colleen | Dunn James | Noseworthy Tom | Corbett Gail | Thomas Karen | Ghali William
Volume: 8
Issue: 1
Year: 2008
Non-response to a life course socioeconomic position indicator in surveillance: comparison of telephone and face-to-face modes

Author(s): Chittleborough Catherine | Taylor Anne | Baum Fran | Hiller Janet
Volume: 8
Issue: 1
Year: 2008
The efficiency and effectiveness of utilizing diagrams in interviews: an assessment of participatory diagramming and graphic elicitation

Author(s): Umoquit Muriah | Dobrow Mark | Lemieux-Charles Louise | Ritvo Paul | Urbach David | Wodchis Walter
Volume: 8
Issue: 1
Year: 2008
Disagreement in primary study selection between systematic reviews on negative pressure wound therapy

Author(s): Peinemann Frank | McGauran Natalie | Sauerland Stefan | Lange Stefan
Volume: 8
Issue: 1
Year: 2008
Vignette studies of medical choice and judgement to study caregivers' medical decision behaviour: systematic review

Author(s): Bachmann Lucas | Mühleisen Andrea | Bock Annekatrin | ter Riet Gerben | Held Ulrike | Kessels Alfons
Volume: 8
Issue: 1
Year: 2008
A coarsened multinomial regression model for perinatal mother to child transmission of HIV

Author(s): Gard Charlotte | Brown Elizabeth
Volume: 8
Issue: 1
Year: 2008
Methods for the thematic synthesis of qualitative research in systematic reviews

Author(s): Thomas James | Harden Angela
Volume: 8
Issue: 1
Year: 2008
Reliability and validity of two frequently used self-administered physical activity questionnaires in adolescents

Author(s): Rangul Vegar | Holmen Turid | Kurtze Nanna | Cuypers Koenraad | Midthjell Kristian
Volume: 8
Issue: 1
Year: 2008
Relative performance of different exposure modeling approaches for sulfur dioxide concentrations in the air in rural western Canada

Author(s): Burstyn Igor | Cherry Nicola | Yasui Yutaka | Kim Hyang-Mi
Volume: 8
Issue: 1
Year: 2008
Challenges of self-reported medical conditions and electronic medical records among members of a large military cohort

Author(s): Smith Besa | Chu Laura | Smith Tyler | Amoroso Paul | Boyko Edward | Hooper Tomoko | Gackstetter Gary | Ryan Margaret
Volume: 8
Issue: 1
Year: 2008
Does it matter whether the recipient of patient questionnaires in general practice is the general practitioner or an independent researcher? The REPLY randomised trial

Author(s): Desborough James | Butters Peter | Bhattacharya Debi | Holland Richard | Wright David
Volume: 8
Issue: 1
Year: 2008
The changing causal foundations of cancer-related symptom clustering during the final month of palliative care: A longitudinal study

Author(s): Olson Karin | Hayduk Leslie | Cree Marilyn | Cui Ying | Quan Hue | Hanson John | Lawlor Peter | Strasser Florian
Volume: 8
Issue: 1
Year: 2008
On reporting results from randomized controlled trials with recurrent events

Author(s): Kuramoto Lisa | Sobolev Boris | Donaldson Meghan
Volume: 8
Issue: 1
Year: 2008
Simpson's paradox visualized: The example of the Rosiglitazone meta-analysis

Author(s): Rücker Gerta | Schumacher Martin
Volume: 8
Issue: 1
Year: 2008
Estimates of adherence and error analysis of physical activity data collected via accelerometry in a large study of free-living adults

Author(s): Paul David | Kramer Matthew | Stote Kim | Spears Karen | Moshfegh Alanna | Baer David | Rumpler William
Volume: 8
Issue: 1
Year: 2008
Workplace restructurings in intervention studies – a challenge for design, analysis and interpretation

Author(s): Olsen Ole | Albertsen Karen | Nielsen Martin | Poulsen Kjeld | Gron Sisse | Brunnberg Hans
Volume: 8
Issue: 1
Year: 2008
Examining intra-rater and inter-rater response agreement: A medical chart abstraction study of a community-based asthma care program

Author(s): To Teresa | Estrabillo Eileen | Wang Chengning | Cicutto Lisa
Volume: 8
Issue: 1
Year: 2008
Determinants of participation in a longitudinal two-stage study of the health consequences of the Chornobyl nuclear power plant accident

Author(s): Guey Lin | Bromet Evelyn | Gluzman Semyon | Zakhozha Victoria | Paniotto Vlodomyr
Volume: 8
Issue: 1
Year: 2008
Reporting of Human Genome Epidemiology (HuGE) association studies: An empirical assessment

Author(s): Yesupriya Ajay | Evangelou Evangelos | Kavvoura Fotini | Patsopoulos Nikolaos | Clyne Melinda | Walsh Matthew | Lin Bruce | Yu Wei | Gwinn Marta | Ioannidis John | Khoury Muin
Volume: 8
Issue: 1
Year: 2008
Comparison of two dependent within subject coefficients of variation to evaluate the reproducibility of measurement devices

Author(s): Shoukri Mohamed | Colak Dilek | Kaya Namik | Donner Allan
Volume: 8
Issue: 1
Year: 2008
Responsiveness of five condition-specific and generic outcome assessment instruments for chronic pain

Author(s): Angst Felix | Verra Martin | Lehmann Susanne | Aeschlimann André
Volume: 8
Issue: 1
Year: 2008
Retrivability in The Danish National Hospital Registry of HIV and hepatitis B and C coinfection diagnoses of patients managed in HIV centers 1995–2004

Author(s): Obel Niels | Reinholdt Hanne | Omland Lars | Engsig Frederik | Sørensen Henrik | Hansen Ann-Brit
Volume: 8
Issue: 1
Year: 2008
A markov model to evaluate hospital readmission

Author(s): Bartolomeo Nicola | Trerotoli Paolo | Moretti Annamaria | Serio Gabriella
Volume: 8
Issue: 1
Year: 2008
Comparison of generalized estimating equations and quadratic inference functions using data from the National Longitudinal Survey of Children and Youth (NLSCY) database

Author(s): Odueyungbo Adefowope | Browne Dillon | Akhtar-Danesh Noori | Thabane Lehana
Volume: 8
Issue: 1
Year: 2008
Graphical presentation of diagnostic information

Author(s): Whiting Penny | Sterne Jonathan | Westwood Marie | Bachmann Lucas | Harbord Roger | Egger Matthias | Deeks Jonathan
Volume: 8
Issue: 1
Year: 2008
Reducing the probability of false positive research findings by pre-publication validation – Experience with a large multiple sclerosis database

Author(s): Daumer Martin | Held Ulrike | Ickstadt Katja | Heinz Moritz | Schach Siegfried | Ebers George
Volume: 8
Issue: 1
Year: 2008
The statistical analysis of a clinical trial when a protocol amendment changed the inclusion criteria

Author(s): Lösch Christian | Neuhäuser Markus
Volume: 8
Issue: 1
Year: 2008
Motives for (not) participating in a lifestyle intervention trial

Author(s): Lakerveld Jeroen | IJzelenberg Wilhelmina | van Tulder Maurits | Hellemans Irene | Rauwerda Jan | van Rossum Albert | Seidell Jaap
Volume: 8
Issue: 1
Year: 2008
Conducting a meta-ethnography of qualitative literature: Lessons learnt

Author(s): Atkins Salla | Lewin Simon | Smith Helen | Engel Mark | Fretheim Atle | Volmink Jimmy
Volume: 8
Issue: 1
Year: 2008
Recommendations by Cochrane Review Groups for assessment of the risk of bias in studies

Author(s): Lundh Andreas | Gøtzsche Peter
Volume: 8
Issue: 1
Year: 2008
Demonstrating the robustness of population surveillance data: implications of error rates on demographic and mortality estimates

Author(s): Fottrell Edward | Byass Peter | Berhane Yemane
Volume: 8
Issue: 1
Year: 2008
Negative pressure wound therapy: Potential publication bias caused by lack of access to unpublished study results data

Author(s): Peinemann Frank | McGauran Natalie | Sauerland Stefan | Lange Stefan
Volume: 8
Issue: 1
Year: 2008
A comparison of two methods for estimating prevalence ratios

Author(s): Petersen Martin | Deddens James
Volume: 8
Issue: 1
Year: 2008
Differential response effects of data collection mode in a cancer screening study of unmarried women ages 40–75 years: A randomized trial

Author(s): Clark Melissa | Rogers Michelle | Armstrong Gene | Rakowski William | Kviz Frederick
Volume: 8
Issue: 1
Year: 2008
Assessing the order of magnitude of outcomes in single-arm cohorts through systematic comparison with corresponding cohorts: An example from the AMOS study

Author(s): Hamre Harald | Glockmann Anja | Tröger Wilfried | Kienle Gunver | Kiene Helmut
Volume: 8
Issue: 1
Year: 2008
Abstracts in high profile journals often fail to report harm

Author(s): Bernal-Delgado Enrique | Fisher Elliot
Volume: 8
Issue: 1
Year: 2008
Examining assumptions regarding valid electronic monitoring of medication therapy: development of a validation framework and its application on a European sample of kidney transplant patients

Author(s): Denhaerynck Kris | Schäfer-Keller Petra | Young James | Steiger Jürg | Bock Andreas | De Geest Sabina
Volume: 8
Issue: 1
Year: 2008
Applications of Bayesian approach in modelling risk of malaria-related hospital mortality

Author(s): Kazembe Lawrence | Chirwa Tobias | Simbeye Jupiter | Namangale Jimmy
Volume: 8
Issue: 1
Year: 2008
The use of interim data and Data Monitoring Committee recommendations in randomized controlled trial reports: frequency, implications and potential sources of bias

Author(s): Tharmanathan Puvan | Calvert Melanie | Hampton John | Freemantle Nick
Volume: 8
Issue: 1
Year: 2008
A new approach of nonparametric estimation of incidence and lifetime risk based on birth rates and incident events

Author(s): Støvring Henrik | Wang Mei-Cheng
Volume: 7
Issue: 1
Year: 2007
The harvest plot: A method for synthesising evidence about the differential effects of interventions

Author(s): Ogilvie David | Fayter Debra | Petticrew Mark | Sowden Amanda | Thomas Sian | Whitehead Margaret | Worthy Gill
Volume: 8
Issue: 1
Year: 2008
Towards socially inclusive research: An evaluation of telephone questionnaire administration in a multilingual population

Author(s): Dormandy Elizabeth | Brown Katrina | Reid Erin | Marteau Theresa
Volume: 8
Issue: 1
Year: 2008
An administrative data merging solution for dealing with missing data in a clinical registry: adaptation from ICD-9 to ICD-10

Author(s): Southern Danielle | Norris Colleen | Quan Hude | Shrive Fiona | Galbraith P Diane | Humphries Karin | Gao Min | Knudtson Merril | Ghali William
Volume: 8
Issue: 1
Year: 2008
Randomised controlled comparison of the Health Survey Short Form (SF-12) and the Graded Chronic Pain Scale (GCPS) in telephone interviews versus self-administered questionnaires. Are the results equivalent?

Author(s): Lungenhausen Margitta | Lange Stefan | Maier Christoph | Schaub Claudia | Trampisch Hans | Endres Heinz
Volume: 7
Issue: 1
Year: 2007
Optimising reproductive and child health outcomes by building evidence-based research and practice in South East Asia (SEA-ORCHID): study protocol

Author(s): Henderson-Smart David | Lumbiganon Pisake | Festin Mario | Ho Jacqueline | Mohammad Hakimi | McDonald Steve | Green Sally | Crowther Caroline
Volume: 7
Issue: 1
Year: 2007
Program design features that can improve participation in health education interventions

Author(s): Gucciardi Enza | Cameron Jill | Liao Chen Di | Palmer Alison | Stewart Donna
Volume: 7
Issue: 1
Year: 2007
Do health technology assessments comply with QUOROM diagram guidance? An empirical study

Author(s): Hind Daniel | Booth Andrew
Volume: 7
Issue: 1
Year: 2007
The impact of nonlinear exposure-risk relationships on seasonal time-series data: modelling Danish neonatal birth anthropometric data

Author(s): McGrath John | Barnett Adrian | Eyles Darryl | Burne Thomas | Pedersen Carsten | Mortensen Preben
Volume: 7
Issue: 1
Year: 2007
How many mailouts? Could attempts to increase the response rate in the Iraq war cohort study be counterproductive?

Author(s): Tate A Rosemary | Jones Margaret | Hull Lisa | Fear Nicola | Rona Roberto | Wessely Simon | Hotopf Matthew
Volume: 7
Issue: 1
Year: 2007
Recruiting and retaining GPs and patients in intervention studies: the DEPS-GP project as a case study

Author(s): Williamson Michelle | Pirkis Jane | Pfaff Jon | Tyson Orla | Sim Moira | Kerse Ngaire | Lautenschlager Nicola | Stocks Nigel | Almeida Osvaldo
Volume: 7
Issue: 1
Year: 2007
Measurement error adjustment in essential fatty acid intake from a food frequency questionnaire: alternative approaches and methods

Author(s): Beydoun May | Kaufman Jay | Ibrahim Joseph | Satia Jessie | Heiss Gerardo
Volume: 7
Issue: 1
Year: 2007
A systematic comparison of software dedicated to meta-analysis of causal studies

Author(s): Bax Leon | Yu Ly-Mee | Ikeda Noriaki | Moons Karel
Volume: 7
Issue: 1
Year: 2007
Visual inspection with acetic acid as a cervical cancer test: accuracy validated using latent class analysis

Author(s): Gaffikin Lynne | McGrath John | Arbyn Marc | Blumenthal Paul
Volume: 7
Issue: 1
Year: 2007
A simulation study of sample size for multilevel logistic regression models

Author(s): Moineddin Rahim | Matheson Flora | Glazier Richard
Volume: 7
Issue: 1
Year: 2007
The reporting of statistics in medical educational studies: an observational study

Author(s): Desbiens Norman
Volume: 7
Issue: 1
Year: 2007
Variable selection under multiple imputation using the bootstrap in a prognostic study

Author(s): Heymans Martijn | van Buuren Stef | Knol Dirk | van Mechelen Willem | de Vet Henrica
Volume: 7
Issue: 1
Year: 2007
Confirmatory factor analytical study of the WHOQOL-Bref: experience with Sudanese general population and psychiatric samples

Author(s): Ohaeri Jude | Awadalla Abdel | El-Abassi Abdul-Hamid | Jacob Anila
Volume: 7
Issue: 1
Year: 2007
Do intrauterine or genetic influences explain the foetal origins of chronic disease? A novel experimental method for disentangling effects

Author(s): Thapar Anita | Harold Gordon | Rice Frances | Ge XiaoJia | Boivin Jacky | Hay Dale | van den Bree Marianne | Lewis Allyson
Volume: 7
Issue: 1
Year: 2007
The impact of disease-related impairments on disability and health-related quality of life: a systematic review

Author(s): Weisscher Nadine | de Haan Rob | Vermeulen Marinus
Volume: 7
Issue: 1
Year: 2007
Automated inter-rater reliability assessment and electronic data collection in a multi-center breast cancer study

Author(s): Thwin Soe | Clough-Gorr Kerri | McCarty Maribet | Lash Timothy | Alford Sharon | Buist Diana | Enger Shelley | Field Terry | Frost Floyd | Wei Feifei | Silliman Rebecca
Volume: 7
Issue: 1
Year: 2007
Developing search strategies for clinical practice guidelines in SUMSearch and Google Scholar and assessing their retrieval performance

Author(s): Haase Andrea | Follmann Markus | Skipka Guido | Kirchner Hanna
Volume: 7
Issue: 1
Year: 2007
Online genetic databases informing human genome epidemiology

Author(s): Frodsham Angela | Higgins Julian
Volume: 7
Issue: 1
Year: 2007
A randomized trial of mailed questionnaires versus telephone interviews: Response patterns in a survey

Author(s): Feveile Helene | Olsen Ole | Hogh Annie
Volume: 7
Issue: 1
Year: 2007
Comparison of two different physical activity monitors

Author(s): Paul David | Kramer Matthew | Moshfegh Alanna | Baer David | Rumpler William
Volume: 7
Issue: 1
Year: 2007
Copula based prediction models: an application to an aortic regurgitation study

Author(s): Kumar Pranesh | Shoukri Mohamed
Volume: 7
Issue: 1
Year: 2007
Systematic reviews of adverse effects: framework for a structured approach

Author(s): Loke Yoon | Price Deirdre | Herxheimer Andrew
Volume: 7
Issue: 1
Year: 2007
Use of hierarchical models to evaluate performance of cardiac surgery centres in the Italian CABG outcome study

Author(s): D'Errigo Paola | Tosti Maria | Fusco Danilo | Perucci Carlo | Seccareccia Fulvia
Volume: 7
Issue: 1
Year: 2007
The Hawthorne Effect: a randomised, controlled trial

Author(s): McCarney Rob | Warner James | Iliffe Steve | van Haselen Robbert | Griffin Mark | Fisher Peter
Volume: 7
Issue: 1
Year: 2007
Developing algorithms for healthcare insurers to systematically monitor surgical site infection rates

Author(s): Huang Susan | Livingston James | Rawson Nigel | Schmaltz Steven | Platt Richard
Volume: 7
Issue: 1
Year: 2007
Predictors of locating women six to eight years after contact: internet resources at recruitment may help to improve response rates in longitudinal research

Author(s): Cadarette Suzanne | Dickson Leigh | Gignac Monique | Beaton Dorcas | Jaglal Susan | Hawker Gillian
Volume: 7
Issue: 1
Year: 2007
Assessing differential attrition in clinical trials: self-monitoring of oral anticoagulation and type II diabetes

Author(s): Heneghan Carl | Perera Rafael | Ward A Alison | Fitzmaurice David | Meats Emma | Glasziou Paul
Volume: 7
Issue: 1
Year: 2007
Questionnaire discrimination: (re)-introducing coefficient δ

Author(s): Hankins Matthew
Volume: 7
Issue: 1
Year: 2007
Relation between body mass index and depression: a structural equation modeling approach

Author(s): Dragan Alina | Akhtar-Danesh Noori
Volume: 7
Issue: 1
Year: 2007
Recruitment and retention in a multicentre randomised controlled trial in Bell's palsy: A case study

Author(s): McKinstry Brian | Hammersley Victoria | Daly Fergus | Sullivan Frank
Volume: 7
Issue: 1
Year: 2007
Pragmatic trials in primary care. Methodological challenges and solutions demonstrated by the DIAMOND-study

Author(s): Fransen Gerdine | van Marrewijk Corine | Mujakovic Suhreta | Muris Jean | Laheij Robert | Numans Mattijs | de Wit Niek | Samsom Melvin | Jansen Jan | Knottnerus J André
Volume: 7
Issue: 1
Year: 2007
Factors affecting study efficiency and item non-response in health surveys in developing countries: the Jamaica national healthy lifestyle survey

Author(s): Wilks Rainford | Younger Novie | Mullings Jasneth | Zohoori Namvar | Figueroa Peter | Tulloch-Reid Marshall | Ferguson Trevor | Walters Christine | Bennett Franklyn | Forrester Terrence | Ward Elizabeth | Ashley Deanna
Volume: 7
Issue: 1
Year: 2007
Selective attrition and bias in a longitudinal health survey among survivors of a disaster

Author(s): van den Berg Bellis | van der Velden Peter | Stellato Rebecca | Grievink Linda
Volume: 7
Issue: 1
Year: 2007
Improving response rates using a monetary incentive for patient completion of questionnaires: an observational study

Author(s): Brealey Stephen | Atwell Christine | Bryan Stirling | Coulton Simon | Cox Helen | Cross Ben | Fylan Fiona | Garratt Andrew | Gilbert Fiona | Gillan Maureen | Hendry Maggie | Hood Kerenza | Houston Helen | King David | Morton Veronica | Orchard Jo | Robling Michael | Russell Ian | Torgerson David | Wadsworth Valerie | Wilkinson Clare
Volume: 7
Issue: 1
Year: 2007
Selection bias: neighbourhood controls and controls selected from those presenting to a Health Unit in a case control study of efficacy of BCG revaccination

Author(s): Dantas Odimariles | Ximenes Ricardo | de Albuquerque Maria | Montarroyos Ulisses | de Souza Wayner | Varejão Patrícia | Rodrigues Laura
Volume: 7
Issue: 1
Year: 2007
Demographic and occupational predictors of early response to a mailed invitation to enroll in a longitudinal health study

Author(s): Chretien Jean-Paul | Chu Laura | Smith Tyler | Smith Besa | Ryan Margaret
Volume: 7
Issue: 1
Year: 2007
Researching complementary and alternative treatments – the gatekeepers are not at home

Author(s): Fønnebø Vinjar | Grimsgaard Sameline | Walach Harald | Ritenbaugh Cheryl | Norheim Arne | MacPherson Hugh | Lewith George | Launsø Laila | Koithan Mary | Falkenberg Torkel | Boon Heather | Aickin Mikel
Volume: 7
Issue: 1
Year: 2007
Bivariate random-effects meta-analysis and the estimation of between-study correlation

Author(s): Riley Richard | Abrams Keith | Sutton Alexander | Lambert Paul | Thompson John
Volume: 7
Issue: 1
Year: 2007
Development, feasibility and performance of a health risk appraisal questionnaire for older persons

Author(s): Stuck Andreas | Kharicha Kalpa | Dapp Ulrike | Anders Jennifer | von Renteln-Kruse Wolfgang | Meier-Baumgartner Hans | Harari Danielle | Swift Cameron | Ivanova Katja | Egger Matthias | Gillmann Gerhard | Higa Jerilyn | Beck John | Iliffe Steve
Volume: 7
Issue: 1
Year: 2007
Inclusion of zero total event trials in meta-analyses maintains analytic consistency and incorporates all available data

Author(s): Friedrich Jan | Adhikari Neill | Beyene Joseph
Volume: 7
Issue: 1
Year: 2007
The PRO-AGE study: an international randomised controlled study of health risk appraisal for older persons based in general practice

Author(s): Stuck Andreas | Kharicha Kalpa | Dapp Ulrike | Anders Jennifer | von Renteln-Kruse Wolfgang | Meier-Baumgartner Hans | Iliffe Steve | Harari Danielle | Bachmann Martin | Egger Matthias | Gillmann Gerhard | Beck John | Swift Cameron
Volume: 7
Issue: 1
Year: 2007
Checklist for the qualitative evaluation of clinical studies with particular focus on external validity and model validity

Author(s): Bornhöft Gudrun | Maxion-Bergemann Stefanie | Wolf Ursula | Kienle Gunver | Michalsen Andreas | Vollmar Horst | Gilbertson Simon | Matthiessen Peter
Volume: 6
Issue: 1
Year: 2006
Dropout in a longitudinal, cohort study of urologic disease in community men

Author(s): Gades Naomi | Jacobson Debra | McGree Michaela | Lieber Michael | Roberts Rosebud | Girman Cynthia | Jacobsen Steven
Volume: 6
Issue: 1
Year: 2006
Dealing with missing data in a multi-question depression scale: a comparison of imputation methods

Author(s): Shrive Fiona | Stuart Heather | Quan Hude | Ghali William
Volume: 6
Issue: 1
Year: 2006
Economics methods in Cochrane systematic reviews of health promotion and public health related interventions

Author(s): Shemilt Ian | Mugford Miranda | Drummond Michael | Eisenstein Eric | Mallender Jacqueline | McDaid David | Vale Luke | Walker Damian
Volume: 6
Issue: 1
Year: 2006
Performance of statistical models to predict mental health and substance abuse cost

Author(s): Montez-Rath Maria | Christiansen Cindy | Ettner Susan | Loveland Susan | Rosen Amy
Volume: 6
Issue: 1
Year: 2006
The stepped wedge trial design: a systematic review

Author(s): Brown Celia | Lilford Richard
Volume: 6
Issue: 1
Year: 2006
A system for rating the stability and strength of medical evidence

Author(s): Treadwell Jonathan | Tregear Stephen | Reston James | Turkelson Charles
Volume: 6
Issue: 1
Year: 2006
Development and validation of MIX: comprehensive free software for meta-analysis of causal research data

Author(s): Bax Leon | Yu Ly-Mee | Ikeda Noriaki | Tsuruta Harukazu | Moons Karel
Volume: 6
Issue: 1
Year: 2006
Joint distribution approaches to simultaneously quantifying benefit and risk

Author(s): Shaffer Michele | Watterberg Kristi
Volume: 6
Issue: 1
Year: 2006
Does a "Level I Evidence" rating imply high quality of reporting in orthopaedic randomised controlled trials?

Author(s): Poolman Rudolf | Struijs Peter | Krips Rover | Sierevelt Inger | Lutz Kristina | Bhandari Mohit
Volume: 6
Issue: 1
Year: 2006
Methodological standards in non-inferiority AIDS trials: moving from adherence to compliance

Author(s): Parienti Jean-Jacques | Verdon Renaud | Massari Véronique
Volume: 6
Issue: 1
Year: 2006
Structural equation and log-linear modeling: a comparison of methods in the analysis of a study on caregivers' health

Author(s): Zhu Bin | Walter Stephen | Rosenbaum Peter | Russell Dianne | Raina Parminder
Volume: 6
Issue: 1
Year: 2006
Re-interpreting conventional interval estimates taking into account bias and extra-variation

Author(s): Höfler Michael | Seaman Shaun
Volume: 6
Issue: 1
Year: 2006
An alternative to the hand searching gold standard: validating methodological search filters using relative recall

Author(s): Sampson Margaret | Zhang Li | Morrison Andra | Barrowman Nicholas | Clifford Tammy | Platt Robert | Klassen Terry | Moher David
Volume: 6
Issue: 1
Year: 2006
Estimation of dynamical model parameters taking into account undetectable marker values

Author(s): Thiébaut Rodolphe | Guedj Jérémie | Jacqmin-Gadda Hélène | Chêne Geneviève | Trimoulet Pascale | Neau Didier | Commenges Daniel
Volume: 6
Issue: 1
Year: 2006
Conducting a critical interpretive synthesis of the literature on access to healthcare by vulnerable groups

Author(s): Dixon-Woods Mary | Cavers Debbie | Agarwal Shona | Annandale Ellen | Arthur Antony | Harvey Janet | Hsu Ron | Katbamna Savita | Olsen Richard | Smith Lucy | Riley Richard | Sutton Alex
Volume: 6
Issue: 1
Year: 2006
Fungal infection-related mortality versus total mortality as an outcome in trials of antifungal agents

Author(s): Due Anne | Johansen Helle | Gøtzsche Peter
Volume: 6
Issue: 1
Year: 2006
Patient acceptability of larval therapy for leg ulcer treatment: a randomised survey to inform the sample size calculation of a randomised trial

Author(s): Petherick ES | O'Meara S | Spilsbury K | Iglesias CP | Nelson EA | Torgerson DJ
Volume: 6
Issue: 1
Year: 2006
Identifying observational studies of surgical interventions in MEDLINE and EMBASE

Author(s): Fraser Cynthia | Murray Alison | Burr Jennifer
Volume: 6
Issue: 1
Year: 2006
Calculating confidence intervals for impact numbers

Author(s): Hildebrandt Mandy | Bender Ralf | Gehrmann Ulrich | Blettner Maria
Volume: 6
Issue: 1
Year: 2006
Identification of candidate categories of the International Classification of Functioning Disability and Health (ICF) for a Generic ICF Core Set based on regression modelling

Author(s): Cieza Alarcos | Geyh Szilvia | Chatterji Somnath | Kostanjsek Nenad | Üstün Bedirhan | Stucki Gerold
Volume: 6
Issue: 1
Year: 2006
Does updating improve the methodological and reporting quality of systematic reviews?

Author(s): Shea Beverley | Boers Maarten | Grimshaw Jeremy | Hamel Candyce | Bouter Lex
Volume: 6
Issue: 1
Year: 2006
The relationship between quality of research and citation frequency

Author(s): Nieminen Pentti | Carpenter James | Rucker Gerta | Schumacher Martin
Volume: 6
Issue: 1
Year: 2006
UVB phototherapy in an outpatient setting or at home: a pragmatic randomised single-blind trial designed to settle the discussion. The PLUTO study

Author(s): Koek Mayke | Buskens Erik | Steegmans Paul | van Weelden Huib | Bruijnzeel-Koomen Carla | Sigurdsson Vigfús
Volume: 6
Issue: 1
Year: 2006
The demise of the randomised controlled trial: bibliometric study of the German-language health care literature, 1948 to 2004

Author(s): Galandi Daniel | Schwarzer Guido | Antes Gerd
Volume: 6
Issue: 1
Year: 2006
Motor function in Parkinson's disease and supranuclear palsy: simultaneous factor analysis of a clinical scale in several populations

Author(s): Kroonenberg Pieter | Oort Frans | Stebbins Glenn | Leurgans Sue | Cubo Esther | Goetz Christopher
Volume: 6
Issue: 1
Year: 2006
Circular instead of hierarchical: methodological principles for the evaluation of complex interventions

Author(s): Walach Harald | Falkenberg Torkel | Fønnebø Vinjar | Lewith George | Jonas Wayne
Volume: 6
Issue: 1
Year: 2006
Country development and manuscript selection bias: a review of published studies

Author(s): Yousefi-Nooraie Reza | Shakiba Behnam | Mortaz-Hejri Soroush
Volume: 6
Issue: 1
Year: 2006
Meta-DiSc: a software for meta-analysis of test accuracy data

Author(s): Zamora Javier | Abraira Victor | Muriel Alfonso | Khan Khalid | Coomarasamy Arri
Volume: 6
Issue: 1
Year: 2006
Planning a cluster randomized trial with unequal cluster sizes: practical issues involving continuous outcomes

Author(s): Guittet Lydia | Ravaud Philippe | Giraudeau Bruno
Volume: 6
Issue: 1
Year: 2006
Reproducibility of the STARD checklist: an instrument to assess the quality of reporting of diagnostic accuracy studies

Author(s): Smidt Nynke | Rutjes Anne | van der Windt Daniëlle | Ostelo Raymond | Bossuyt Patrick | Reitsma Johannes | Bouter Lex | de Vet Henrica
Volume: 6
Issue: 1
Year: 2006
Multivariable risk prediction can greatly enhance the statistical power of clinical trial subgroup analysis

Author(s): Hayward Rodney | Kent David | Vijan Sandeep | Hofer Timothy
Volume: 6
Issue: 1
Year: 2006
The fading of reported effectiveness. A meta-analysis of randomised controlled trials

Author(s): Gehr Bernhard | Weiss Christel | Porzsolt Franz
Volume: 6
Issue: 1
Year: 2006
Identifying systematic reviews of the adverse effects of health care interventions

Author(s): Golder Su | McIntosh Heather | Loke Yoon
Volume: 6
Issue: 1
Year: 2006
Interval estimation and optimal design for the within-subject coefficient of variation for continuous and binary variables

Author(s): Shoukri Mohamed | Elkum Nasser | Walter Stephen
Volume: 6
Issue: 1
Year: 2006
Optimizing search strategies to identify randomized controlled trials in MEDLINE

Author(s): Zhang Li | Ajiferuke Isola | Sampson Margaret
Volume: 6
Issue: 1
Year: 2006
Scratch lottery tickets are a poor incentive to respond to mailed questionnaires

Author(s): Finsen Vilhjalmur | Storeheier Andreas
Volume: 6
Issue: 1
Year: 2006
An investigation of minimisation criteria

Author(s): Wade Angie | Pan Huiqi | Eaton Simon | Pierro Agostino | Ong Evelyn
Volume: 6
Issue: 1
Year: 2006
Methodological quality of systematic reviews of animal studies: a survey of reviews of basic research

Author(s): Mignini Luciano | Khan Khalid
Volume: 6
Issue: 1
Year: 2006
Evaluation of QUADAS, a tool for the quality assessment of diagnostic accuracy studies

Author(s): Whiting Penny | Weswood Marie | Rutjes Anne | Reitsma Johannes | Bossuyt Patrick | Kleijnen Jos
Volume: 6
Issue: 1
Year: 2006
Maximising response to postal questionnaires – A systematic review of randomised trials in health research

Author(s): Nakash Rachel | Hutton Jane | Jørstad-Stein Ellen | Gates Simon | Lamb Sarah
Volume: 6
Issue: 1
Year: 2006
CUSUM: A tool for early feedback about performance?

Author(s): Chang Winston | McLean Ian
Volume: 6
Issue: 1
Year: 2006
Can electronic search engines optimize screening of search results in systematic reviews: an empirical study

Author(s): Sampson Margaret | Barrowman Nicholas | Moher David | Clifford Tammy | Platt Robert | Morrison Andra | Klassen Terry | Zhang Li
Volume: 6
Issue: 1
Year: 2006
Searching for observational studies: what does citation tracking add to PubMed? A case study in depression and coronary heart disease

Author(s): Kuper Hannah | Nicholson Amanda | Hemingway Harry
Volume: 6
Issue: 1
Year: 2006
Room for improvement? A survey of the methods used in systematic reviews of adverse effects

Author(s): Golder Su | Loke Yoon | McIntosh Heather
Volume: 6
Issue: 1
Year: 2006
Sequential boundaries approach in clinical trials with unequal allocation ratios

Author(s): Jafari Peyman | Ayatollahi Seyyed | Behboodian Javad
Volume: 6
Issue: 1
Year: 2006
Protocol of the COSMIN study: COnsensus-based Standards for the selection of health Measurement INstruments

Author(s): Mokkink LB | Terwee CB | Knol DL | Stratford PW | Alonso J | Patrick DL | Bouter LM | de Vet HCW
Volume: 6
Issue: 1
Year: 2006
Stability of response characteristics of a Delphi panel: application of bootstrap data expansion

Author(s): Akins Ralitsa | Tolson Homer | Cole Bryan
Volume: 5
Issue: 1
Year: 2005
Investing in updating: how do conclusions change when Cochrane systematic reviews are updated?

Author(s): French Simon | McDonald Steve | McKenzie Joanne | Green Sally
Volume: 5
Issue: 1
Year: 2005
Methods for confidence interval estimation of a ratio parameter with application to location quotients

Author(s): Beyene Joseph | Moineddin Rahim
Volume: 5
Issue: 1
Year: 2005
Lack of interchangeability between visual analogue and verbal rating pain scales: a cross sectional description of pain etiology groups

Author(s): Lund Iréne | Lundeberg Thomas | Sandberg Louise | Budh Cecilia | Kowalski Jan | Svensson Elisabeth
Volume: 5
Issue: 1
Year: 2005
Causal inference based on counterfactuals

Author(s): Höfler M
Volume: 5
Issue: 1
Year: 2005
Which resources should be used to identify RCT/CCTs for systematic reviews: a systematic review

Author(s): Crumley Ellen | Wiebe Natasha | Cramer Kristie | Klassen Terry | Hartling Lisa
Volume: 5
Issue: 1
Year: 2005
Evaluation of the Total Design Method in a survey of Japanese dentists

Author(s): Nakai Yukie | Milgrom Peter | Yoshida Toshiko | Ishihara Chikako | Shimono Tsutomu
Volume: 5
Issue: 1
Year: 2005
The therapeutic effect of clinical trials: understanding placebo response rates in clinical trials – A secondary analysis

Author(s): Walach Harald | Sadaghiani Catarina | Dehm Cornelia | Bierman Dick
Volume: 5
Issue: 1
Year: 2005
Oblique decision trees for spatial pattern detection: optimal algorithm and application to malaria risk

Author(s): Gaudart Jean | Poudiougou Belco | Ranque Stéphane | Doumbo Ogobara
Volume: 5
Issue: 1
Year: 2005
No role for quality scores in systematic reviews of diagnostic accuracy studies

Author(s): Whiting Penny | Harbord Roger | Kleijnen Jos
Volume: 5
Issue: 1
Year: 2005
How does study quality affect the results of a diagnostic meta-analysis?

Author(s): Westwood Marie | Whiting Penny | Kleijnen Jos
Volume: 5
Issue: 1
Year: 2005
Empirical evaluation of prediction intervals for cancer incidence

Author(s): Møller Bjørn | Weedon-Fekjær Harald | Haldorsen Tor
Volume: 5
Issue: 1
Year: 2005
Recruitment of ethnic minority patients to a cardiac rehabilitation trial: The Birmingham Rehabilitation Uptake Maximisation (BRUM) study [ISRCTN72884263]

Author(s): Jolly Kate | Lip Gregory | Taylor Rod | Mant Jonathan | Lane Deirdre | Lee Kaeng | Stevens Andrew
Volume: 5
Issue: 1
Year: 2005
Use of re-randomized data in meta-analysis

Author(s): Hozo Iztok | Djulbegovic Benjamin | Clark Otavio | Lyman Gary
Volume: 5
Issue: 1
Year: 2005
Early life factors, childhood cognition and postal questionnaire response rate in middle age: the Aberdeen Children of the 1950s study

Author(s): Nishiwaki Yuji | Clark Heather | Morton Susan | Leon David
Volume: 5
Issue: 1
Year: 2005
Estimating the mean and variance from the median, range, and the size of a sample

Author(s): Hozo Stela | Djulbegovic Benjamin | Hozo Iztok
Volume: 5
Issue: 1
Year: 2005
The strengths and limitations of meta-analyses based on aggregate data

Author(s): Lyman Gary | Kuderer Nicole
Volume: 5
Issue: 1
Year: 2005
Who wants to join preventive trials? – Experience from the Estonian Postmenopausal Hormone Therapy Trial [ISRCTN35338757]

Author(s): Hovi Sirpa-Liisa | Hakama Matti | Veerus Piret | Rahu Mati | Hemminki Elina
Volume: 5
Issue: 1
Year: 2005
Reporting quality of randomized trials in the diet and exercise literature for weight loss

Author(s): Gibson Cheryl | Kirk Erik | LeCheminant James | Bailey Bruce | Huang Guoyuan | Donnelly Joseph
Volume: 5
Issue: 1
Year: 2005
Methodological bias in cluster randomised trials

Author(s): Hahn Seokyung | Puffer Suezann | Torgerson David | Watson Judith
Volume: 5
Issue: 1
Year: 2005
Evaluating the role of quality assessment of primary studies in systematic reviews of cancer practice guidelines

Author(s): Brouwers Melissa | Johnston Mary | Charette Manya | Hanna Steve | Jadad Alejandro | Browman George
Volume: 5
Issue: 1
Year: 2005
Effectiveness of different databases in identifying studies for systematic reviews: experience from the WHO systematic review of maternal morbidity and mortality

Author(s): Betrán Ana | Say Lale | Gülmezoglu A Metin | Allen Tomas | Hampson Lynn
Volume: 5
Issue: 1
Year: 2005
Comparison of nested case-control and survival analysis methodologies for analysis of time-dependent exposure

Author(s): Essebag Vidal | Platt Robert | Abrahamowicz Michal | Pilote Louise
Volume: 5
Issue: 1
Year: 2005
Structural equation model testing and the quality of natural killer cell activity measurements

Author(s): Hayduk Leslie | Pazderka-Robinson Hannah | Cummings Greta | Levers Merry-Jo | Beres Melanie
Volume: 5
Issue: 1
Year: 2005
Systematic reviews of epidemiology in diabetes: finding the evidence

Author(s): Royle Pamela | Bain Lynda | Waugh Norman
Volume: 5
Issue: 1
Year: 2005
A survey of statistics in three UK general practice journal

Author(s): Rigby Alan | Armstrong Gillian | Campbell Michael | Summerton Nick
Volume: 4
Issue: 1
Year: 2004
Proportional odds ratio model for comparison of diagnostic tests in meta-analysis

Author(s): Siadaty Mir | Shu Jianfen
Volume: 4
Issue: 1
Year: 2004
"Any other comments?" Open questions on questionnaires – a bane or a bonus to research?

Author(s): O'Cathain Alicia | Thomas Kate
Volume: 4
Issue: 1
Year: 2004
The fallacy of enrolling only high-risk subjects in cancer prevention trials: Is there a "free lunch"?

Author(s): Baker Stuart | Kramer Barnett | Corle Donald
Volume: 4
Issue: 1
Year: 2004
Participant characteristics associated with withdrawal from a large randomized trial of spermicide effectiveness

Author(s): Raymond Elizabeth | Chen Pai | Pierre-Louis Bosny | Luoto Joanne | Barnhart Kurt | Bradley Lynn | Creinin Mitchell | Poindexter Alfred | Wan Livia | Martens Mark | Schenken Robert | Nicholas Cate | Blackwell Richard
Volume: 4
Issue: 1
Year: 2004
A systematic review of the content of critical appraisal tools

Author(s): Katrak Persis | Bialocerkowski Andrea | Massy-Westropp Nicola | Kumar VS Saravana | Grimmer Karen
Volume: 4
Issue: 1
Year: 2004
Publication bias in situ

Author(s): Phillips Carl
Volume: 4
Issue: 1
Year: 2004
Assessing harmful effects in systematic Reviews

Author(s): McIntosh Heather | Woolacott Nerys | Bagnall Anne-Marie
Volume: 4
Issue: 1
Year: 2004
Evaluating heterogeneity in cumulative meta-analyses

Author(s): Villanueva Elmer | Zavarsek Silva
Volume: 4
Issue: 1
Year: 2004
Meta-analytic methods for pooling rates when follow-up duration varies: a case study

Author(s): Guevara James | Berlin Jesse | Wolf Fredric
Volume: 4
Issue: 1
Year: 2004
WHO systematic review of maternal mortality and morbidity: methodological issues and challenges

Author(s): Gülmezoglu A Metin | Say Lale | Betrán Ana | Villar Jose | Piaggio Gilda
Volume: 4
Issue: 1
Year: 2004
Incongruence between test statistics and P values in medical papers

Author(s): García-Berthou Emili | Alcaraz Carles
Volume: 4
Issue: 1
Year: 2004
The Platino project: methodology of a multicenter prevalence survey of chronic obstructive pulmonary disease in major Latin American cities

Author(s): Menezes Ana | Victora Cesar | Perez-Padilla Rogelio
Volume: 4
Issue: 1
Year: 2004
The rating reliability calculator

Author(s): Solomon David
Volume: 4
Issue: 1
Year: 2004
The role of the clinical research coordinator – data manager – in oncology clinical trials

Author(s): Rico-Villademoros Fernando | Hernando Teresa | Sanz Juan-Luis | López-Alonso Antonio | Salamanca Oscar | Camps Carlos | Rosell Rafael
Volume: 4
Issue: 1
Year: 2004
Patient recruitment to a randomized clinical trial of behavioral therapy for chronic heart failure

Author(s): Chang Bei-Hung | Hendricks Ann | Slawsky Mara | Locastro Joseph
Volume: 4
Issue: 1
Year: 2004
Finding qualitative research: an evaluation of search strategies

Author(s): Shaw Rachel | Booth Andrew | Sutton Alex | Miller Tina | Smith Jonathan | Young Bridget | Jones David | Dixon-Woods Mary
Volume: 4
Issue: 1
Year: 2004
Affiliate Program      Why do you need a reservation system?