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- Title
Response shift in oral health-related quality of life measurement in patients with partial edentulism.
- Authors
KIMURA, A.; ARAKAWA, H.; NODA, K.; YAMAZAKI, S.; HARA, E. S.; MINO, T.; MATSUKA, Y.; MULLIGAN, R.; KUBOKI, T.
- Abstract
Summary The purposes of this study were to determine whether a response shift was observable after partial denture treatment and to identify the predictors that influenced the response shift magnitude and direction. A total of 173 consecutive patients with no more than eight missing teeth who received implant-supported, fixed or removable partial dentures at Okayama University Dental Hospital were asked to complete a full-version Oral Health-Related Quality of Life (OHRQoL) questionnaire before (pre-test) and after treatment (post-test). Additionally, a short form (then-test) consisting of seven questions selected from the full version had its reliability verified and was utilised to retrospectively assess the pre-treatment OHRQoL status. The difference between the summary scores of the then-test and the pre-test determined the response shift magnitude and direction. The then-test mean score (22·9 ± 6·6) was significantly lower (worse OHRQoL) than that of the pre-test (26·4 ± 5·2). The response shift effect size was of moderate magnitude and negative direction ( d = −0·78). A multiple regression analysis showed that age (younger patients) ( P < 0·01), number of replaced teeth (fewer) ( P < 0·01) and pre-test scores (lower) ( P < 0·01) were the significant predictors for response shift. In conclusion, a response shift phenomenon with negative and moderate effect size was observed after partial denture treatment. The significant predictor variables were young age, fewer numbers of replaced teeth and lower pre-test scores
- Subjects
JAPAN; TOOTH loss; ACADEMIC medical centers; ANALYSIS of variance; BRIDGES (Dentistry); CHI-squared test; CONFIDENCE intervals; REMOVABLE partial dentures; QUALITY of life; STATISTICS; T-test (Statistics); DATA analysis; MULTIPLE regression analysis; VISUAL analog scale; MULTITRAIT multimethod techniques; RETROSPECTIVE studies; PSYCHOLOGY
- Publication
Journal of Oral Rehabilitation, 2012, Vol 39, Issue 1, p44
- ISSN
0305-182X
- Publication type
Article
- DOI
10.1111/j.1365-2842.2011.02241.x