Mirza, Afshan; Watt, Richard G; Heilmann, Anja; (2025) English Longitudinal Study of Ageing: Associations Between Common Mental Disorder and Oral Health. Oral Diseases 10.1111/odi.70124. (In press).

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Abstract

Aim: To assess the relationship between common mental disorder and oral health in a representative sample of older adults in England. / Methods: We analyzed cross-sectional data from 8620 individuals aged 50 years and over who participated in the English Longitudinal Study of Ageing, wave 3 (2006–2007). Common mental disorder (no/yes) was assessed using the 12-Item General Health Questionnaire (GHQ-12). Oral health outcomes were oral impact on daily performance (no impacts/at least one impact), self-rated oral health (excellent; very good; good/fair; poor), and edentulousness (dentate/edentate). Associations were assessed using Poisson regression with robust variance, controlling for demographic, socioeconomic, and health factors. / Results: Reporting at least one oral impact on daily performance was more prevalent among those with a common mental disorder than those without (PR = 1.60; 95% CI 1.32–1.96), as was reporting fair/poor self-rated oral health (PR = 1.23; 95% CI 1.09–1.40) in fully adjusted analyses. We found no association between common mental disorder and edentulousness. / Conclusion: In this sample of UK older adults, common mental disorder was associated with poorer oral health. To promote healthy ageing, older adults with a common mental disorder should be supported to maintain good oral health.

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