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https://scholarbank.nus.edu.sg/handle/10635/113424
Title: | Cross cultural adaptation and validation of the Chinese Health Assessment Questionnaire for use in rheumatoid arthritis | Authors: | Koh, E.T. Seow, A. Pong, L.Y. Koh, W.H. Chan, L. Howe, H.S. Lim, T.H. Low, C.K. |
Keywords: | Chinese Health assessment questionnaire Rheumatoid arthritis |
Issue Date: | Sep-1998 | Citation: | Koh, E.T.,Seow, A.,Pong, L.Y.,Koh, W.H.,Chan, L.,Howe, H.S.,Lim, T.H.,Low, C.K. (1998-09). Cross cultural adaptation and validation of the Chinese Health Assessment Questionnaire for use in rheumatoid arthritis. Journal of Rheumatology 25 (9) : 1705-1708. ScholarBank@NUS Repository. | Abstract: | Objective. The Health Assessment Questionnaire - Disability Index (HAQ), used as a disability and outcome measurement in rheumatoid arthritis (RA), has been validated in several languages, but not in Chinese. Our aim was to validate the Chinese version of HAQ (Chinese-HAQ) to suit the needs of Chinese speaking patients with RA in an Asian setting. Methods. The original HAQ was modified in the context of Chinese culture and translated into Chinese by 2 translators aware of the objective of the questionnaire. The Chinese HAQ was self-administered by 42 patients with RA during their routine follow-up visit and one week later. Results. The test-retest reliability assessed using Spearman's correlation coefficient was 0.84. Between dimensions measured in the HAQ, the highest test-retest reliability was observed for walking (Spearman correlation coefficient τ(S) = 0.80)and the lowest was for eating (τ(S) = 0.54). The internal consistency of the scale using Cronbach's alpha was high at 0.86. In terms of criterion validity, the Chinese-HAQ score was found to correlate well with American College of Rheumatology functional status (τ(S) = 0.501, p = 0.01). The Chinese-HAQ scores also correlated well with markers of disease activity such as patient's perception of pain measured on a visual analog scale (τ(S) = 0.55, p < 0.001), grip strength in mm Hg (τ(S) = -0.55, p < 0.001), and physician's assessment of disease activity (τ(S) = 0.59, p < 0.001). Conclusion. The Chinese HAQ is a reliable and valid instrument for studies measuring disability of patients with RA in Singapore. | Source Title: | Journal of Rheumatology | URI: | http://scholarbank.nus.edu.sg/handle/10635/113424 | ISSN: | 0315162X |
Appears in Collections: | Staff Publications |
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