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03-04-2021

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

Tijdschrift:
Quality of Life Research
Auteurs:
Xuekun Zhang, Yuanyuan Mo, Chunxia Yan, Yang Li, Huiling Li
Belangrijke opmerkingen
Xuekun Zhang, Yuanyuan Mo have contributed equally to this paper.

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Abstract

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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