Investigating the Relationship Between Personality Traits and Treatment Adherence With the Mediating Role of Coping Styles in Adults With Presbycusis: A Cross‐Sectional Study

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ABSTRACT Background Presbycusis, an age‐related hearing disorder, affects communication, psychosocial functioning, and quality of life. Because its management requires long‐term engagement with rehabilitation and medication routines, psychological factors such as personality traits and coping styles may influence treatment adherence. This study investigated the relationship between personality traits and adherence in adults with presbycusis, with coping styles examined as a mediating variable. Methods A descriptive cross‐sectional study was conducted among adults diagnosed with presbycusis recruited from hospitals and audiology centers across Tehran, Iran (November 2024–March 2025). Participants completed the Personality Insights Questionnaire, the Coping Styles Questionnaire, and the Morisky Medication Adherence Scale (MMAS‐8). Partial Least Squares Structural Equation Modeling (PLS‐SEM) was used to assess direct and indirect effects and evaluate model reliability, validity, and predictive accuracy. Results A total of 384 adults participated. Personality traits showed a significant positive association with coping styles ( β = 0.652, p < 0.05), and coping styles significantly predicted treatment adherence ( β = 0.379, p < 0.05). The indirect effect of personality traits on adherence through coping styles was significant ( β = 0.247; t = 6.878). Model indices demonstrated acceptable reliability, convergent and discriminant validity, and moderate predictive relevance. Conclusion Personality traits influence treatment adherence in adults with presbycusis both directly and through coping styles. Incorporating personality‐based and coping‐focused strategies into hearing rehabilitation may strengthen adherence and improve long‐term outcomes.

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