BMC oral health · 2025
Predicting the oral health-related behaviors of the Iranian elderly based on the extended theory of planned behavior.
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Bashirian Saeid, Khoshravesh Sahar, Ayubi Erfan, Amiri Mahrokh, Karimi-Shahanjarini Akram, Barati Majid, Solaymani Parshang Faghih
Аннотация
INTRODUCTION: Understanding the predictors of oral health behaviors in older adults helps to design effective interventions. This will improve their oral health and overall well-being. The present study aimed to determine the predictors of oral health-related behaviors in Iranian elderly based on the Extended Theory of Planned Behavior (ETPB).
MATERIALS AND METHODS: This cross-sectional study was conducted in Sanandaj City, western Iran, in 2024. In this research, 360 elderly people from retirement centers in Sanandaj City were surveyed using a multi-stage random sampling method. The data collection tools were the demographic characteristics questionnaire, the Extended Theory of Planned Behavior (ETPB) questionnaires, the Oral Health Literacy Adult Questionnaire (OHL-AQ), and clinical oral and dental examination. SPSS software version 26 was used for data analysis. The significance level was considered to be p < 0.05.
RESULTS: A mean age of 63.82 (± 5.15) years was estimated for the 360 elderly. The linear regression results showed that all ETPB constructs predicted oral health behaviors in the studied elderly. This model could explain 40% of the variance in the oral health behaviors of the elderly. The strongest predictor of oral health behaviors was the behavioral intention construct (β = 0.404, p < 0.001. The Decayed, Missing, Filled Teeth (DMFT) crown index showed a significant positive correlation with oral health behaviors (r = 0.278, p < 0.001) and OHL (r = 0.230, p < 0.001) as well as a significant negative correlation with attitude (r = -0.257, p < 0.001).
CONCLUSION: The ETPB effectively identifies and predicts oral health behaviors in the elderly, with behavioral intention emerging as the strongest predictor. The DMFT-crown index correlated positively with oral health behaviors and oral health literacy, while attitude showed a significant negative association. Based on these results, interventions should prioritize strengthening behavioral intention, improving attitudes, and enhancing oral health literacy through theory-based educational programs to promote sustainable health practices in this population.
MATERIALS AND METHODS: This cross-sectional study was conducted in Sanandaj City, western Iran, in 2024. In this research, 360 elderly people from retirement centers in Sanandaj City were surveyed using a multi-stage random sampling method. The data collection tools were the demographic characteristics questionnaire, the Extended Theory of Planned Behavior (ETPB) questionnaires, the Oral Health Literacy Adult Questionnaire (OHL-AQ), and clinical oral and dental examination. SPSS software version 26 was used for data analysis. The significance level was considered to be p < 0.05.
RESULTS: A mean age of 63.82 (± 5.15) years was estimated for the 360 elderly. The linear regression results showed that all ETPB constructs predicted oral health behaviors in the studied elderly. This model could explain 40% of the variance in the oral health behaviors of the elderly. The strongest predictor of oral health behaviors was the behavioral intention construct (β = 0.404, p < 0.001. The Decayed, Missing, Filled Teeth (DMFT) crown index showed a significant positive correlation with oral health behaviors (r = 0.278, p < 0.001) and OHL (r = 0.230, p < 0.001) as well as a significant negative correlation with attitude (r = -0.257, p < 0.001).
CONCLUSION: The ETPB effectively identifies and predicts oral health behaviors in the elderly, with behavioral intention emerging as the strongest predictor. The DMFT-crown index correlated positively with oral health behaviors and oral health literacy, while attitude showed a significant negative association. Based on these results, interventions should prioritize strengthening behavioral intention, improving attitudes, and enhancing oral health literacy through theory-based educational programs to promote sustainable health practices in this population.