The 6-Item Self-Efficacy Scale in Chronic Disease Management in Women With Endometriosis: A Turkish Validity and Reliability Study

Hamide Arslan Tarus, Demirci N, Nurdan Demirci
Journal of evaluation in clinical practice · 2025 · vol. 31(1) , pp. e14282 · doi:10.1111/jep.14282 · PMID:39704074
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This methodological study adapted the 6-Item Self-Efficacy Scale for Chronic Disease Management (SEMDC-6S) for Turkish women with endometriosis and evaluated its construct validity and reliability. Using confirmatory factor analysis in 200 participants, the authors found that the Turkish version retained a six-item, single-subscale structure with acceptable fit indices. Reliability was assessed with Cronbach’s alpha (0.76), item-total score correlations, and test–retest intraclass correlation coefficient (0.95). This paper is centrally about endometriosis—specifically the Turkish validity and reliability of the SEMDC-6S self-efficacy scale in women with endometriosis.

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Abstract

OBJECTIVE: This study aimed to adapt the 6-Item Self-Efficacy Scale for Chronic Disease Management (SEMDC-6S) to women with endometriosis in the Turkish population and to evaluate its validity and reliability. METHODS: This methodological study comprised of 200 women with endometriosis. The construct validity of the scale was tested using the confirmatory factor analysis methods. The reliability of the scale was tested using Cronbach's alpha coefficient, item-total score correlations and test-retest reliability analysis. RESULTS: It was determined that the SEMDC-6S consisted of six items and one subscale. In the confirmatory factor analysis, the fit index values of the scale were found to be acceptable. The intraclass correlation coefficient of test-retest reliability was 0.95, and Cronbach's alpha coefficient was 0.76. CONCLUSION: The Turkish version of the SEMDC-6S is a valid and reliable tool for assessing the self-efficacy of women with endometriosis.
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Abstract

Objective This study aimed to adapt the 6-Item Self-Efficacy Scale for Chronic Disease Management (SEMDC-6S) to women with endometriosis in the Turkish population and to evaluate its validity and reliability.

Methods

This methodological study comprised of 200 women with endometriosis. The construct validity of the scale was tested using the confirmatory factor analysis methods. The reliability of the scale was tested using Cronbach's alpha coefficient, item-total score correlations and test-retest reliability analysis.

Results

It was determined that the SEMDC-6S consisted of six items and one subscale. In the confirmatory factor analysis, the fit index values of the scale were found to be acceptable. The intraclass correlation coefficient of test–retest reliability was 0.95, and Cronbach's alpha coefficient was 0.76.

Conclusion

The Turkish version of the SEMDC-6S is a valid and reliable tool for assessing the self-efficacy of women with endometriosis. Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis Endometriosis

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