ArticleBMC endocrine disorders2025
Validation of the Persian version of the summary of diabetes self-care activities scale (SDSCA) in pregnant women with gestational diabetes mellitus using a COSMIN methodology.
Article in BMC endocrine disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Development and Internal Validation of an Explainable Machine Learning Model for Physical Activity Adherence Among Community-Dwelling Patients with Type 2 Diabetes Mellitus.Patient preference and adherence · 2026Article
- Adherence to Diabetes Self-Care Practices Across Demographic and Clinical Characteristics Among Patients with Type 2 Diabetes.Patient preference and adherence · 2026Article
- Adherence to Self-Care and Associated Factors Among Patients with Type 2 Diabetes in Southwestern Iran.Patient preference and adherence · 2026Article
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6 authors.
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Abstract
backgroundGestational diabetes mellitus (GDM) is a condition with significant prenatal and postnatal implications. This study aimed to validate the Summary of Diabetes Self-Care Activities (SDSCA) measure in Iranian women with GDM, focusing on its psychometric properties.
methodsThe Persian version of the SDSCA was evaluated in 180 Iranian women with GDM. Following COSMIN guidelines, the instrument was translated into Persian, and its psychometric properties were assessed, including content validity, face validity, construct validity, internal consistency, test-retest reliability, measurement error, responsiveness, and interpretability. Floor and ceiling effects were also examined.
resultsThe validity assessments showed strong content validity, with a Content Validity Index (CVI) of 0.93 and a Content Validity Ratio (CVR) of 0.97. Face validity yielded an impact score of 4.38. Exploratory factor analysis (EFA) identified three factors-diet, exercise, and blood sugar testing-accounting for 57.4% of the variance. Confirmatory factor analysis (CFA) confirmed the model's excellent fit (CFI = 1.00, TLI = 0.99, NFI = 0.98, RFI = 0.96). The reliability analysis showed a Cronbach's alpha of 0.78 and a McDonald's omega of 0.91, with an intraclass correlation coefficient (ICC) of 0.92 (95% CI: 0.83-0.96). Ceiling effects were observed for blood sugar testing (26.7%), while floor effects were noted for exercise (6.7%) and blood sugar testing (6.1%). The Minimal Important Change (MIC) of 2.68 units exceeded the Smallest Detectable Change (SDC) of 1.11 units, indicating the tool's ability to detect clinically meaningful changes.
conclusionsThe Persian version of the SDSCA demonstrates strong psychometric properties, including both reliability and validity, making it a suitable tool for assessing self-care behaviors in Iranian women with GDM. Its use in future research can enhance understanding of self-management in this population.
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