The Effectiveness of the Chronic Care Model on Treatment Adherence Based on the ACT Approach on Personality Traits in Patients with Diabetes
Keywords:
adherence to treatment, Acceptance and Commitment Therapy, personality traitsAbstract
Objective: The aim of this study was to develop a chronic care model for treatment adherence based on Acceptance and Commitment Therapy (ACT) and to examine its effect on personality traits in patients with diabetes.
Methods and Materials: This research employed a sequential exploratory design (qualitative–quantitative). In the qualitative phase, data were collected through in-depth interviews with diabetic patients and the opinions of 15 health psychology experts, and analyzed using Colaizzi’s seven-step method. The developed intervention protocol was structured around key components: causal conditions (emotional, cognitive, and social experiences), central conditions (physical symptoms and functional impairments), contextual factors (cultural, social, and economic barriers), intervening conditions (facilitators and barriers to treatment adherence), strategies (emotion regulation, self-care), and outcomes (increased psychological flexibility, improved adherence to treatment, and enhanced quality of life). Content validity of the protocol was confirmed using Lawshe’s CVR (>0.49) and CVI (>0.70), indicating satisfactory validity. In the quantitative phase, a quasi-experimental design with pre-test–post-test, control group, and a two-month follow-up was conducted. Measurement tools included the short form of the NEO Five-Factor Inventory (McCrae & Costa, 1985).
Findings: Results of repeated-measures ANOVA indicated that the ACT-based chronic care model significantly improved personality traits in the experimental group (p < 0.05).
Conclusion: These findings confirm the effectiveness and practical applicability of the model in improving psychological health and behavioral outcomes in diabetic patients.
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Copyright (c) 2025 Mina Khajeh Babarsad (Author); Mansour Ali Mahdi (Corresponding Author); Mahtab Moraveji, Abbas Haghayegh (Author)
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