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Background <p>Premenstrual dysphoric disorder (PMDD) has been identified as a member of the Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5). The symptoms of premenstrual syndrome are uncertain, and these uncertain symptoms often impair the daily functioning of the affected individual. As a result, the difficulty of managing uncertainty puts people at risk of developing mental health problems. However, no assessment tool currently can specifically identify which anxieties or fears uncertainty can cause. This study aimed to conduct the psychometric evaluation of the Chinese version of the Disorder-Specific Intolerance of Uncertainty Scale (DSIU), preliminarily establishing an assessment tool for female university students with Premenstrual Syndrome (PMS). This provides clinicians with reference criteria for identifying psychological disturbances among female university students with PMS.</p> Methods <p>The Brislin translation model was adopted for forward-backward translation and cross-cultural adaptation, resulting in the C-DSIU. A convenience sample of 641 female university students with PMS completed the questionnaire to assess scale reliability. Content validity was evaluated using content validity indices, while construct validity was examined through exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Internal consistency was assessed via Cronbach’s alpha, McDonald’s omega, split-half reliability, and test-retest reliability.</p> Results <p>The C-DSIU comprises 24 items across eight dimensions. The EFA supported an eight-factor structure (cumulative variance: 69.99%). The CFA demonstrated excellent model fit (χ²/df = 1.681, RMSEA = 0.046, IFI = 0.955, TLI = 0.944, CFI = 0.955). The overall Cronbach’s alpha was 0.89 (subscales: 0.638–0.859). McDonald’s omega was 0.89, split-half reliability was 0.69, and test-retest reliability was 0.947.</p> Conclusion <p>The Chinese C-DSIU demonstrates robust psychometric properties, serving as a valid instrument for assessing intolerance of uncertainty in female university students with PMS.</p>

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Cross-cultural validation of the Chinese version of Disorder-Specific Intolerance of Uncertainty (DSIU): psychometric properties in female college students with premenstrual syndrome (PMS)

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  • 发表日期：

    2025年10月30日

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  • Jiaxin Ren,
  • Xiaoting Wang,
  • Shihan Li,
  • Hongxia Wang

摘要

Background

Premenstrual dysphoric disorder (PMDD) has been identified as a member of the Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5). The symptoms of premenstrual syndrome are uncertain, and these uncertain symptoms often impair the daily functioning of the affected individual. As a result, the difficulty of managing uncertainty puts people at risk of developing mental health problems. However, no assessment tool currently can specifically identify which anxieties or fears uncertainty can cause. This study aimed to conduct the psychometric evaluation of the Chinese version of the Disorder-Specific Intolerance of Uncertainty Scale (DSIU), preliminarily establishing an assessment tool for female university students with Premenstrual Syndrome (PMS). This provides clinicians with reference criteria for identifying psychological disturbances among female university students with PMS.

Methods

The Brislin translation model was adopted for forward-backward translation and cross-cultural adaptation, resulting in the C-DSIU. A convenience sample of 641 female university students with PMS completed the questionnaire to assess scale reliability. Content validity was evaluated using content validity indices, while construct validity was examined through exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). Internal consistency was assessed via Cronbach’s alpha, McDonald’s omega, split-half reliability, and test-retest reliability.

Results

The C-DSIU comprises 24 items across eight dimensions. The EFA supported an eight-factor structure (cumulative variance: 69.99%). The CFA demonstrated excellent model fit (χ²/df = 1.681, RMSEA = 0.046, IFI = 0.955, TLI = 0.944, CFI = 0.955). The overall Cronbach’s alpha was 0.89 (subscales: 0.638–0.859). McDonald’s omega was 0.89, split-half reliability was 0.69, and test-retest reliability was 0.947.

Conclusion

The Chinese C-DSIU demonstrates robust psychometric properties, serving as a valid instrument for assessing intolerance of uncertainty in female university students with PMS.