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Oral health and happiness after 3-years with causal mediation of oral functions.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Abbas Hazem, Takeuchi Kenji, Kusama Taro, Kiuchi Sakura, Kondo Katsunori, Osaka Ken
Аннотация
OBJECTIVES: The longitudinal association between oral health and self-reported happiness among older population and its mediating pathways were unknown. This study investigated the aforementioned association and the role of three oral functions (having difficulty in speaking, problems in smiling and difficulty in chewing) as causal mediating pathways.
METHODS: In this 3-year cohort study, the 2016-2019 panel data on 65 years or older independent participants from Japan Gerontological Evaluation Study (JAGES) was used (N = 53,863). Poisson regression was used to calculate risk ratio (RR) of developing self-reported unhappiness (≤ 6 points on a 10 points scale) according to number of remaining teeth and dental prosthesis use after adjusting for confounders. Causal mediation was employed to investigate the effect of oral functions on this association.
RESULTS AND CONCLUSION: Overall, 45.2 % (n = 24,371) of participants were males. Mean age was 73.3 years (SD± 5.7 years) and 17.1 % (n = 9,195) became unhappy at follow-up. The incidence of unhappy participants was 24.9 % (n = 127) from those who had 0-9 teeth and no dental prosthesis declining to 15.4 % (n = 5034) from those who had ≥20 teeth. In the adjusted model and compared to the participants who had 0-9 teeth and no dental prosthesis, those with better oral health (i.e, having more teeth and used dental prosthesis) tended to have lower risk of being unhappy at follow-up (≥20 teeth RR = 0.80, 95 %CI = 0.68-0.95). The interaction analysis showed reduced risk of unhappiness for those who used a dental prosthesis. Having difficulty in speaking and chewing partially explained 4.7 %-16.3 % of the association depending on the number of remaining teeth.
METHODS: In this 3-year cohort study, the 2016-2019 panel data on 65 years or older independent participants from Japan Gerontological Evaluation Study (JAGES) was used (N = 53,863). Poisson regression was used to calculate risk ratio (RR) of developing self-reported unhappiness (≤ 6 points on a 10 points scale) according to number of remaining teeth and dental prosthesis use after adjusting for confounders. Causal mediation was employed to investigate the effect of oral functions on this association.
RESULTS AND CONCLUSION: Overall, 45.2 % (n = 24,371) of participants were males. Mean age was 73.3 years (SD± 5.7 years) and 17.1 % (n = 9,195) became unhappy at follow-up. The incidence of unhappy participants was 24.9 % (n = 127) from those who had 0-9 teeth and no dental prosthesis declining to 15.4 % (n = 5034) from those who had ≥20 teeth. In the adjusted model and compared to the participants who had 0-9 teeth and no dental prosthesis, those with better oral health (i.e, having more teeth and used dental prosthesis) tended to have lower risk of being unhappy at follow-up (≥20 teeth RR = 0.80, 95 %CI = 0.68-0.95). The interaction analysis showed reduced risk of unhappiness for those who used a dental prosthesis. Having difficulty in speaking and chewing partially explained 4.7 %-16.3 % of the association depending on the number of remaining teeth.