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<p>Diabetes requires continuous self-management and psychological adaptation. Acceptance of diabetes and psychological flexibility play an important role in individuals’ ability to cope with the disease and maintain effective self-care behaviors. The Diabetes Acceptance and Action Scale-Revised (DAAS-R) is a brief instrument developed to assess diabetes-related acceptance and psychological flexibility. However, a culturally adapted and psychometrically validated Turkish version of this scale is needed for Turkish individuals with diabetes. This study aimed to evaluate the validity and reliability of the Turkish version of the Diabetes Acceptance and Action Scale-Revised (DAAS-R) among individuals with Type 2 diabetes. This methodological, cross-sectional study was conducted with 181 individuals diagnosed with Type 2 diabetes who attended the Family Medicine outpatient clinics at Kayseri City Training and Research Hospital. Participants were adults diagnosed with Type 2 diabetes, able to communicate in Turkish, and willing to participate voluntarily. Individuals with cognitive impairment or severe psychiatric disorders were excluded. Data were collected using the Descriptive Information Form, the DAAS-R, and the Multidimensional Scale of Perceived Social Support (MSPSS). Content validity was evaluated using the Content Validity Index (CVI). Construct validity was examined through exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Reliability was assessed using Cronbach’s alpha coefficient, item–total correlations, and test–retest analysis with a two-week interval. Statistical analyses were performed using SPSS 22.0 and LISREL 8.7. The scale-level Content Validity Index (S-CVI/Ave) was 0.95, indicating excellent content validity. Exploratory factor analysis supported a single-factor structure, with an eigenvalue of 4.231, accounting for 47.01% of the total variance. Factor loadings ranged between 0.460 and 0.856. Confirmatory factor analysis demonstrated acceptable model fit indices (CFI = 0.98, NFI = 0.96, NNFI = 0.97, IFI = 0.98, RMSEA = 0.068). The internal consistency of the scale was acceptable (Cronbach’s α = 0.79), and item–total correlations ranged from 0.368 to 0.724. Test–retest reliability was strong (r = 0.89, p &lt; 0.001). The correlation between DAAS-R and MSPSS scores was positive but not statistically significant (r = 0.045, p = 0.438). The findings indicate that the Turkish version of the DAAS-R is a valid and reliable instrument for assessing diabetes-related acceptance and psychological flexibility among individuals with Type 2 diabetes. The scale can be used in both clinical practice and research to understand psychological adaptation to diabetes better and to support diabetes management interventions.</p>

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Validity and reliability of the Turkish version of the Diabetes Acceptance and Action Scale (DAAS-R)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年8月1日

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  • Hümeyra Aslaner,
  • Ömer Ödek

摘要

Diabetes requires continuous self-management and psychological adaptation. Acceptance of diabetes and psychological flexibility play an important role in individuals’ ability to cope with the disease and maintain effective self-care behaviors. The Diabetes Acceptance and Action Scale-Revised (DAAS-R) is a brief instrument developed to assess diabetes-related acceptance and psychological flexibility. However, a culturally adapted and psychometrically validated Turkish version of this scale is needed for Turkish individuals with diabetes. This study aimed to evaluate the validity and reliability of the Turkish version of the Diabetes Acceptance and Action Scale-Revised (DAAS-R) among individuals with Type 2 diabetes. This methodological, cross-sectional study was conducted with 181 individuals diagnosed with Type 2 diabetes who attended the Family Medicine outpatient clinics at Kayseri City Training and Research Hospital. Participants were adults diagnosed with Type 2 diabetes, able to communicate in Turkish, and willing to participate voluntarily. Individuals with cognitive impairment or severe psychiatric disorders were excluded. Data were collected using the Descriptive Information Form, the DAAS-R, and the Multidimensional Scale of Perceived Social Support (MSPSS). Content validity was evaluated using the Content Validity Index (CVI). Construct validity was examined through exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Reliability was assessed using Cronbach’s alpha coefficient, item–total correlations, and test–retest analysis with a two-week interval. Statistical analyses were performed using SPSS 22.0 and LISREL 8.7. The scale-level Content Validity Index (S-CVI/Ave) was 0.95, indicating excellent content validity. Exploratory factor analysis supported a single-factor structure, with an eigenvalue of 4.231, accounting for 47.01% of the total variance. Factor loadings ranged between 0.460 and 0.856. Confirmatory factor analysis demonstrated acceptable model fit indices (CFI = 0.98, NFI = 0.96, NNFI = 0.97, IFI = 0.98, RMSEA = 0.068). The internal consistency of the scale was acceptable (Cronbach’s α = 0.79), and item–total correlations ranged from 0.368 to 0.724. Test–retest reliability was strong (r = 0.89, p < 0.001). The correlation between DAAS-R and MSPSS scores was positive but not statistically significant (r = 0.045, p = 0.438). The findings indicate that the Turkish version of the DAAS-R is a valid and reliable instrument for assessing diabetes-related acceptance and psychological flexibility among individuals with Type 2 diabetes. The scale can be used in both clinical practice and research to understand psychological adaptation to diabetes better and to support diabetes management interventions.