Validity and reliability of Chinese version of Adult Carer Quality of Life questionnaire (AC-QoL) in family caregivers of stroke survivors

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  • Mei, Yongxia
    • Affiliation: University of North Carolina at Chapel Hill
    • Other Affiliation: School of Nursing; Zhengzhou University
  • Lin, Beilei
    • Other Affiliation: School of Nursing; Zhengzhou University
  • Li, Yingshuang
    • Other Affiliation: School of Nursing; Zhengzhou University
  • Ding, Chunge
    • Other Affiliation: School of Nursing; Zhengzhou University
  • Zhang, Zhenxiang
    • Other Affiliation: School of Nursing; Zhengzhou University
Abstract
  • The Adult Carer Quality of Life questionnaire (AC-QoL) is a reliable and valid instrument used to assess the quality of life (QoL) of adult family caregivers. We explored the psychometric properties and tested the reliability and validity of a Chinese version of the AC-QoL with reliability and validity testing in 409 Chinese stroke caregivers. We used item-total correlation and extreme group comparison to do item analysis. To evaluate its reliability, we used a test-retest reliability approach, intraclass correlation coefficient (ICC), together with Cronbach’s alpha and model-based internal consistency index; to evaluate its validity, we used scale content validity, confirmatory factor analysis (CFA) and exploratory factor analysis (EFA) via principal component analysis with varimax rotation. We found that the CFA did not in fact confirm the original factor model and our EFA yielded a 31-item measure with a five-factor model. In conclusions, although some items performed differently in our analysis of the original English language version and our Chinese language version, our translated AC-QoL is a reliable and valid tool which can be used to assess the quality of life of stroke caregivers in mainland China. Chinese version AC-QoL is a comprehensive and good measurement to understand caregivers and has the potential to be a screening tool to assess QoL of caregiver.
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  • Article
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  • In Copyright
Journal title
  • PloS One
Journal volume
  • 12
Journal issue
  • 11
Page start
  • e0186680
Language
  • English
ISSN
  • 1932-6203

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