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Gepubliceerd in: Quality of Life Research 4/2013

01-05-2013 | Brief Communication

Activity limitation and participation restrictions of breast cancer patients receiving chemotherapy: psychometric properties and validation of the Chinese version of the WHODAS 2.0

Auteurs: Hai Ping Zhao, Ying Liu, Hong Li Li, Li Ma, Yan Jun Zhang, Jing Wang

Gepubliceerd in: Quality of Life Research | Uitgave 4/2013

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Abstract

Purpose

This study sought to determine the psychometric properties of the Chinese version of the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) in a sample of 402 primary breast cancer patients receiving chemotherapy after surgery.

Methods

Four-hundred and two subjects were interviewed with the Chinese version of the WHODAS 2.0. Patients also completed the Functional Assessment of Cancer Therapy-Breast (FACT-B). Internal consistency reliability was measured by Cronbach’s α. Spearman correlation coefficients between total scores and subscales of FACT-B and WHODAS 2.0 were examined to get the convergent validity. Independent sample t test was applied to test discriminant validity by comparing the difference of disability scores for different degree of relevant symptoms. The factor structure of the WHODAS 2.0 was examined by Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis.

Results

The Chinese version of the WHODAS 2.0 showed satisfactory internal consistency (r, 0.72–0.92), convergent validity and discriminant validity. After 4 items(item D2.2: standing up; D3.3: eating; D4.5: sexual activities; and D6.3: living with dignity) were excluded, EFA identified seven separate factors for ‘Self-care and Household activities,’ ‘Getting along with people,’ ‘Getting around,’ ‘Understanding,’ ‘Communicating,’ ‘Participation in society’ and ‘Family burden’(explained variance 72.13 %). The reduced model also presented the best fit [Confirmatory Fit Index = 0.914, Tucker-Lewis Index = 0.900, Root Mean Square Error of Approximation = 0.069] compared with the model suggested by EFA and hypothesized a prior.

Conclusions

Overall, the Chinese version of the WHODAS 2.0 is a reliable and valid instrument for measuring activity limitation and participation restrictions in Chinese breast cancer patients receiving chemotherapy.
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Metagegevens
Titel
Activity limitation and participation restrictions of breast cancer patients receiving chemotherapy: psychometric properties and validation of the Chinese version of the WHODAS 2.0
Auteurs
Hai Ping Zhao
Ying Liu
Hong Li Li
Li Ma
Yan Jun Zhang
Jing Wang
Publicatiedatum
01-05-2013
Uitgeverij
Springer Netherlands
Gepubliceerd in
Quality of Life Research / Uitgave 4/2013
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-012-0212-9

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