ArticleBMC public health2025
The association between cognitive impairment and oral health or oral hygiene behaviors among multiethnic older adults in Western China: a cross-sectional multicenter study.
Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Article
- Oral Health Status, Knowledge, Hygiene Behavior and Cognitive Function Among Older Adults in Shanghai, China.Behavioral sciences (Basel, Switzerland) · 2026Article
- Burden and Patterns of Oral Diseases and Systemic Comorbidities in Older Adults Attending Primary Care: A Sex- and Age-Stratified Analysis.Medicina (Kaunas, Lithuania) · 2026Article
- The impact of self-management ability on oral frailty in older adults with hypertension: the chain mediating role of anxiety and nutritional status.Frontiers in medicine · 2026Article
- Factors associated with oral frailty among community-dwelling older adults in Chengdu, China: a cross-sectional study.BMC geriatrics · 2025Article
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9 authors.
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Abstract
backgroundOlder adults with cognitive impairment tend to experience deteriorating oral health and inadequate oral hygiene behaviors, but few studies have addressed interethnic variability. This study aimed to explore the associations between cognitive impairment and oral health or oral hygiene behaviors in multiethnic older adults in Western China.
methodsWe conducted a cross-sectional multicenter study from four provinces of Western China, recruiting multiethnic older adults aged 50 years and older between July and December 2018. Oral health and oral hygiene behaviors were evaluated through an oral examination and a self-made questionnaire, whereas cognitive condition was assessed via the Chinese version of the Short Portable Mental Status Questionnaire (SPMSQ). Three multiple regression models were used to examine the associations between cognitive impairment and oral health or oral hygiene behaviors, with adjustments for relevant variables.
resultsA total of 6529 participants with a median age (interquartile range) of 62.4 (55, 68) years were included. The prevalence of cognitive impairment was 15.4%, with the Yi group having the highest prevalence (28.9%), followed by the Tibetan (19.1%) and Qiang (15.4%) groups. Poorer self-rated oral health, fewer residual teeth, less frequent use of toothbrushes and toothpaste, and irregular dental care were associated with a risk of cognitive impairment (p < 0.05). The SPMSQ scores and correlations between cognitive impairment and oral health or oral hygiene behaviors were heterogeneous among the multiethnic groups.
conclusionInadequate oral hygiene behaviors and deteriorating oral health may be associated with a higher risk of cognitive impairment. Advancing oral health and oral hygiene behaviors is essential for preventing cognitive impairment among multiethnic older adults.
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