Key result
The Thai version of the Self-Care Self-Efficacy Scale version 3.0 demonstrated a 2-factor structure with excellent internal consistency (0.91-0.94) and test-retest reliability (0.95-0.97).
Why the study?
The psychometric properties of the Self-Care Self-Efficacy Scale version 3.0 in specific chronic conditions and non-Western contexts were not well understood.
Cross-Sectional (n=287)
Yes
The Thai version of the SCSES-v3.0 is a valid and reliable tool for measuring self-care self-efficacy in patients with heart disease.
May support self-care assessment in Thai patients; extends cross-cultural validation but leaves open outcome prediction.
BACKGROUND: The Self-Care Self-Efficacy Scale version 3.0 (SCSES-v3.0) measures self-efficacy in various chronic conditions. However, its psychometric properties in specific conditions and non-Western contexts are not well understood. OBJECTIVE: We evaluated the psychometric properties of the Thai version of the SCSES-v3.0 in patients with heart disease. METHODS: In this cross-sectional methodological study, we recruited patients with heart disease from 2 hospitals and 15 primary care settings. We evaluated structural validity using exploratory and confirmatory factor analysis, and hypothesis testing against the Self-Care of Chronic Illness Inventory version 4.c (SC-CII-v4.c). Reliability was assessed using McDonald's ω , Cronbach α , intraclass correlation coefficients, and measurement errors were calculated for score precision. RESULTS: Of 300 patients, 287 were included in the analysis after excluding outliers. Exploratory factor analysis conducted with the first split-half subsample revealed a 2-factor structure: one factor represented self-efficacy in maintenance and monitoring behaviors (items 1-5), and the other represented self-efficacy in management behaviors (items 6-10). Confirmatory factor analysis conducted with the second split-half subsample and the overall sample confirmed the scale's bidimensional model with high factor loadings. The dimensions and overall SCSES-v3.0 positively correlated with each scale and the overall SC-CII-v4.c. Reliability was excellent for internal consistency (range, 0.91-0.94) and test-retest reliability (range, 0.95-0.97). The measurement error results were satisfactory. CONCLUSIONS: The SCSES-v3.0 demonstrated robust psychometric characteristics. Its validity and reliability make it a valuable instrument for clinical practice and research with the potential to enhance patient outcomes in heart disease management.
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Mayurapak et al. (2025) conducted a cross-sectional in Heart disease (n=287). Self-Care Self-Efficacy Scale version 3.0 (SCSES-v3.0) was evaluated on Structural validity and reliability. The Thai version of the Self-Care Self-Efficacy Scale version 3.0 demonstrated a 2-factor structure with excellent internal consistency (0.91-0.94) and test-retest reliability (0.95-0.97).
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