Psychometric properties of two abbreviated Connor–Davidson Resilience scales in Chinese infertile couples

QUALITY OF LIFE RESEARCH(2021)

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摘要
Purpose This study aimed to evaluate the psychometric properties of the 10-item and 2-item Connor–Davidson Resilience Scale (CD-RISC), the agreement between these two versions, and the measurement invariance of the CD-RISC-10 across genders in Chinese infertile couples. Methods A total of 170 infertile couples were enrolled from an infertility outpatient clinic between September 2019 and January 2020. The CD-RISC scores were tested for floor and ceiling effects. Reliability was evaluated by calculating Cronbach’s α . Convergent and divergent validity were assessed by bivariate correlations between resilience and infertility-related stress, depression, anxiety, and two divergent variables. Agreement between the two versions was evaluated using the intraclass correlation coefficient (ICC) and Bland–Altman analysis. A multiple-group confirmatory factor analysis (CFA) was conducted to assess the measurement equivalence of CD-RISC-10 across genders. Results No floor or ceiling effects were observed. Internal consistencies of CD-RISC-10 and CD-RISC-2 were 0.91 and 0.63, respectively. The CFA analysis indicated an excellent model fit for a one-factor structure of CD-RISC-10 (TLI > 0.950, CFI > 0.950, RMSEA < 0.060). Both scales displayed good convergent and divergent validity, and the agreement between them was significant with an ICC of 0.80 (95% CI ranging from 0.76 to 0.84). Measurement invariance across genders was supported by multigroup CFA, and a higher level of resilience was found in men than in women. Conclusion Our findings showed significant reliability, validity, and stability of CD-RISC-10 and acceptable internal consistency and validity of CD-RISC-2. CD-RISC-10 is recommended as a resilience measure in clinical evaluations of infertile patients.
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关键词
Chinese infertile couples,Resilience,CD-RISC-10,CD-RISC-2,Reliability,Validity,Measurement invariance
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