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Psychometric properties of the Chinese version of the Functional Assessment of Cancer Therapy-Cervix (FACT-Cx) measuring health-related quality of life

Author:
  • Yan Ding
  • Yan Hu
  • Ingalill Rahm Hallberg
Publishing year: 2012
Language: English
Publication/Series: Health and Quality of Life Outcomes
Volume: 10
Issue: 124
Document type: Journal article
Publisher: BioMed Central

Abstract english

Background: The Functional Assessment of Cancer Therapy (FACT) is one of the most commonly used self-report instruments for evaluation of health-related quality of life in oncology patients. However, cultural considerations necessitate testing of the subscales in different populations. We sought to qualitatively and quantitatively investigate the applicability and psychometric properties of the Chinese version of the FACT-Cervix (FACT-Cx) in Chinese women with cervical cancer. Methods: Ten personal interviews were conducted in order to explore patients' opinions about the scale and its items in depth. In addition the questionnaire was administered to 400 women with cervical cancer to test its psychometric properties. Reliability was assessed using Cronbach's alpha coefficient and item-subscale correlation while validity was evaluated using factor analysis and known-group validity. Results: Some items related to sex and the ability to give birth were questioned in the personal interviews, mostly regarding their significance and acceptance in the Chinese cultural context. The Cronbach's alphas of FACT-Cx and the subscales were greater than 0.7, except for the cervical-cancer-specific subscale which was 0.57. Factor analysis demonstrated that the FACT-G construct generally paralleled the original. There were significant differences in the FACT-Cx and some subscales between those receiving and not receiving treatment and among the patients with different performance status. Conclusions: In general, psychometric properties of the Chinese version supported its use with cervical cancer patients in Mainland China. Further work is needed to improve the psychometric adequacy of the cervical-cancer-specific subscale and adjust it to cultural considerations.

Keywords

  • Health Care Service and Management, Health Policy and Services and Health Economy
  • Health-related quality of life
  • FACT-Cx
  • FACT-G
  • Chinese version
  • Psychometric properties
  • Cervical cancer

Other

Published
  • ISSN: 1477-7525
Ingalill Rahm Hallberg
E-mail: ingalill [dot] rahm_hallberg [at] med [dot] lu [dot] se

Professor emerita

Health-promoting Complex Interventions

HSC

65