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July 1, 2026Journal of international oral health

Oral Health Literacy and Self-Care Behaviors in Older Adults with Type 2 Diabetes: A Cross-Sectional Study from Rural Thailand

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Overview

Cross-sectional study finds higher oral health literacy independently predicts better dental self-care behaviors in elderly type 2 diabetes patients, suggesting literacy-focused interventions...

Key Points

  • To assess oral health literacy and oral health care behaviors, examine their correlations, and identify independent predictors of oral self-care in elderly patients with type 2 diabetes mellitus.
  • Cross-sectional analytical study conducted among 234 elderly patients with type 2 diabetes recruited via multistage random sampling in Warin Chamrap District, Ubon Ratchathani Province, Thailand.
  • Assessed oral health literacy across six domains via a validated 35-item questionnaire and evaluated oral health care behaviors using a 10-item instrument.
  • Analyzed data using Spearman's rank correlation and hierarchical multiple linear regression adjusting for sociodemographic and clinical covariates.
  • Half of participants (50.00%) demonstrated high oral health literacy, and 67.52% showed good oral health care behaviors, with fluoride toothpaste use scoring highest (mean = 2.87, SD = 0.49).
  • All six oral health literacy domains positively correlated with oral self-care (rs = 0.165–0.328, P < 0.05), with information and service access showing the strongest individual correlation (rs = 0.328, P < 0.001) and overall literacy showing a moderate correlation (rs = 0.405, P < 0.001).
  • Hierarchical multiple regression identified overall oral health literacy as a significant independent predictor of oral health care behaviors (β = 0.430, P < 0.001, R2 change = 0.156).

Cite This Study

A 2026 study studied this question.

synapsesocial.com/papers/6a94789ccc4384ea2cc52c2ahttps://doi.org/10.4103/jioh.jioh_110_26
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Factors associated with oral health care behavior of people with type 2 diabetes mellitus: A hospital-based, cross-sectional study2024
  2. 2Validation of a Comprehensive Oral Health Literacy Tool for Thai Older Adults: A Multicenter Cross-sectional Study2024 · 1 citations
  3. 3Association Between Health Literacy, Oral Health Literacy, and Periodontal Disease.2026
  4. 4Assessing the association between Health Literacy and Health-Related Lifestyle Behaviors Among the older adults in Pathum Thani, Thailand: A Cross-Sectional Survey2026
  5. 5Determinants of Oral Hygiene Behaviours and Oral Health–Related Quality of Life Among Older Adults in Northern Thailand2025