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Child-OIDP index in Brazil: Cross-cultural adaptation and validation

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Author(s): Castro Rodolfo | Cortes Maria | Leão Anna | Portela Margareth | Souza Ivete | Tsakos Georgios | Marcenes Wagner | Sheiham Aubrey

Journal: Health and Quality of Life Outcomes
ISSN 1477-7525

Volume: 6;
Issue: 1;
Start page: 68;
Date: 2008;
Original page

ABSTRACT
Abstract Background Oral health-related quality of life (OHRQoL) measures are being increasingly used to introduce dimensions excluded by normative measures. Consequently, there is a need for an index which evaluates children's OHRQoL validated for Brazilian population, useful for oral health needs assessments and for the evaluation of oral health programs, services and technologies. The aim of this study was to do a cross-cultural adaptation of the Child Oral Impacts on Daily Performances (Child-OIDP) index, and assess its reliability and validity for application among Brazilian children between the ages of eleven and fourteen. Methods For cross-cultural adaptation, a translation/back-translation method integrated with expert panel reviews was applied. A total of 342 students from four public schools took part of the study. Results Overall, 80.7% of the sample reported at least one oral impact in the last three months. Cronbach's alpha was 0.63, the weighted kappa 0.76, and the intraclass correlation coefficient (ICC) 0.79. The index had a significant association with self-reported health measurements (self-rated oral health, satisfaction with oral health, perceived dental treatment needs, self-rated general health; all p < 0.01). Conclusion It was concluded that the Child-OIDP index is a measure of oral health-related quality of life that can be applied to Brazilian children.
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