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Can Alcohol Intake from Mouthwash be Measured in Epidemiological Studies? Development and Validation of Mouthwash Use Questionnaire with Particular Attention to Measuring Alcohol Intake from Mouthwash

Author(s): Tanja Wirth | Michal M. Kawecki | Janice Reeve | Claudia Cunningham | Iain Bovaird | Tatiana V. Macfarlane

Journal: Journal of Oral & Maxillofacial Research
ISSN 2029-283X

Volume: 3;
Issue: 3;
Start page: e1;
Date: 2012;
Original page

Keywords: mouthwashes | oral health | oral cancer | alcohols | epidemiology | questionnaires

Objectives: The purpose of this study was to develop and validate the mouthwash use questionnaire to determine the lifetime exposure to alcohol from mouthwash and verify that it was suitable for use in general population.Material and Methods: Data were available from three consecutive studies, all collecting information on mouthwash use. In addition, supermarkets and online stores were screened for the brands of mouthwash they sold. Alcohol content of mouthwash was identified from various sources, including laboratory measurements. Alcohol-containing mouthwash use was converted to glasses of wine equivalent.Results: Mouthwash was used by 62% of the participants, and the main benefits reported were refreshment of bad breath (75%), elimination of bacteria (68%) and reduction of plaque formation (47%). Majority mouthwashes used by the participants contained alcohol (61%). Life-time exposure from alcohol in mouthwash was relatively small for most of the study participants: 79% had rinsed for less than one year with alcohol equivalent of one glass of wine per day. There was substantial agreement in mouthwash reporting between different occasions (Kappa > 0.62).Conclusions: The questionnaire can be used to investigate mouthwash use in the general population and to measure alcohol intake from mouthwash.
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