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Factor Analysis of the Caregiver Quality of Life Index-Cancer (CQOLC) Scale for Chinese Cancer Caregivers: A Preliminary Reliability and Validity Study of the CQOLC-Chinese Version

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  • Jiaobo Duan
  • Jufang Fu
  • Hongjie Gao
  • Changsheng Chen
  • Jianfang Fu
  • Xin Shi
  • Xufeng Liu

Abstract

The English version of the Caregiver Quality of Life Index-Cancer (CQOLC) was translated into simplified Chinese (CQOLC-C), following cultural translation, back-translation and pretest steps. Three hundred and sixty one cancer caregivers participated in this study. Cronbach’s alpha was used to assess CQOLC-C reliability. Exploratory factor analyses (EFA) was used to generate two models of the measure’s factor structure, and confirmatory factor analyses (CFA) were used to test each model, such that the best model to explain the latent structure of the CQOLC-C was identified. EFA using different factor extraction methods yielded two models including four and eight factors. According to the CFA results, model 2 was better fit for the original study data, based on the RMSEA criterion [0.058(90% CI = 0.051-0.065)], χ2 (531) = 853.92, p

Suggested Citation

  • Jiaobo Duan & Jufang Fu & Hongjie Gao & Changsheng Chen & Jianfang Fu & Xin Shi & Xufeng Liu, 2015. "Factor Analysis of the Caregiver Quality of Life Index-Cancer (CQOLC) Scale for Chinese Cancer Caregivers: A Preliminary Reliability and Validity Study of the CQOLC-Chinese Version," PLOS ONE, Public Library of Science, vol. 10(2), pages 1-12, February.
    • Handle: RePEc:plo:pone00:0116438
    DOI: 10.1371/journal.pone.0116438
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    References listed on IDEAS

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    1. Hodges, L. J. & Humphris, G. M. & Macfarlane, G., 2005. "A meta-analytic investigation of the relationship between the psychological distress of cancer patients and their carers," Social Science & Medicine, Elsevier, vol. 60(1), pages 1-12, January.
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    1. Yongxia Mei & Beilei Lin & Yingshuang Li & Chunge Ding & Zhenxiang Zhang, 2017. "Validity and reliability of Chinese version of Adult Carer Quality of Life questionnaire (AC-QoL) in family caregivers of stroke survivors," PLOS ONE, Public Library of Science, vol. 12(11), pages 1-14, November.

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