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Development, linguistic and clinimetric validation of the WOMAC VA3.01 Bangla for Bangladesh Index.
Rheumatol Int. 2015 Jun; 35(6):997-1003.RI

Abstract

The aim of this study was to develop and to validate a Bengali version of the Western Ontario and McMaster Osteoarthritis (WOMAC) index in Bangladesh. The WOMAC was translated into the local language of Bangladesh (Bengali) and adapted in the local sociocultural context, following the standard guidelines by Beaton et al. Content validity of the preliminary Bengali version was assessed by using the index of content validity (ICV) and floor and ceiling effects. Patients were assessed at the Department of Rheumatology of Bangabandhu Sheikh Mujib Medical University and were diagnosed to have knee OA by American College of Rheumatology criteria and recruited according to the requirements of the validation study. Convergent and divergent validity were measured by comparing with Health Assessment Questionnaire (HAQ) and the Short Form-36 (SF-36), and internal consistency was assessed using Cronbach's alpha coefficient. The questionnaire was readministered to 40 patients within a week for assessing reliability by using intra-class correlation coefficient (ICC) and Spearman's rank correlation coefficient. In addition, factor analysis of Bengali WOMAC questionnaire was performed to examine the number of factors influencing a common set of items. A Bengali version was developed with changes in three items to suit local practices. The ICV of the content validity was 1 for all items. The Bengali WOMAC had similar construct validity when compared to the HAQ (ρ 0.74, n = 70) and SF-36 bodily pain and physical functioning. It had dissimilar construct validity to SF-36 mental health domain except WOMAC pain. Factor analysis revealed five factors with eigenvalues of more than 1.0. Cronbach's alpha and ICC exceeded 0.7 in all domains. In the test-retest reliability testing, Spearman's ρ for all items exceeded 0.4 (n = 40). This study has demonstrated that the Bengali version of WOMAC is a valid tool for assessing quality of life of patients with knee osteoarthritis in Bangladesh and is reliable.

Authors+Show Affiliations

Department of Rheumatology, BSM Medical University, Shahbag, Dhaka, Bangladesh, riponk55@yahoo.com.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Study
Journal Article
Research Support, Non-U.S. Gov't
Validation Study

Language

eng

PubMed ID

25510291

Citation

Rabbani, M G., et al. "Development, Linguistic and Clinimetric Validation of the WOMAC VA3.01 Bangla for Bangladesh Index." Rheumatology International, vol. 35, no. 6, 2015, pp. 997-1003.
Rabbani MG, Haq SA, Bellamy N, et al. Development, linguistic and clinimetric validation of the WOMAC VA3.01 Bangla for Bangladesh Index. Rheumatol Int. 2015;35(6):997-1003.
Rabbani, M. G., Haq, S. A., Bellamy, N., Islam, M. N., Choudhury, M. R., Naheed, A., Ahmed, S., & Shahin, A. (2015). Development, linguistic and clinimetric validation of the WOMAC VA3.01 Bangla for Bangladesh Index. Rheumatology International, 35(6), 997-1003. https://doi.org/10.1007/s00296-014-3192-y
Rabbani MG, et al. Development, Linguistic and Clinimetric Validation of the WOMAC VA3.01 Bangla for Bangladesh Index. Rheumatol Int. 2015;35(6):997-1003. PubMed PMID: 25510291.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Development, linguistic and clinimetric validation of the WOMAC VA3.01 Bangla for Bangladesh Index. AU - Rabbani,M G, AU - Haq,S A, AU - Bellamy,N, AU - Islam,M N, AU - Choudhury,M R, AU - Naheed,A, AU - Ahmed,S, AU - Shahin,A, Y1 - 2014/12/16/ PY - 2014/09/05/received PY - 2014/12/09/accepted PY - 2014/12/17/entrez PY - 2014/12/17/pubmed PY - 2016/3/2/medline SP - 997 EP - 1003 JF - Rheumatology international JO - Rheumatol. Int. VL - 35 IS - 6 N2 - The aim of this study was to develop and to validate a Bengali version of the Western Ontario and McMaster Osteoarthritis (WOMAC) index in Bangladesh. The WOMAC was translated into the local language of Bangladesh (Bengali) and adapted in the local sociocultural context, following the standard guidelines by Beaton et al. Content validity of the preliminary Bengali version was assessed by using the index of content validity (ICV) and floor and ceiling effects. Patients were assessed at the Department of Rheumatology of Bangabandhu Sheikh Mujib Medical University and were diagnosed to have knee OA by American College of Rheumatology criteria and recruited according to the requirements of the validation study. Convergent and divergent validity were measured by comparing with Health Assessment Questionnaire (HAQ) and the Short Form-36 (SF-36), and internal consistency was assessed using Cronbach's alpha coefficient. The questionnaire was readministered to 40 patients within a week for assessing reliability by using intra-class correlation coefficient (ICC) and Spearman's rank correlation coefficient. In addition, factor analysis of Bengali WOMAC questionnaire was performed to examine the number of factors influencing a common set of items. A Bengali version was developed with changes in three items to suit local practices. The ICV of the content validity was 1 for all items. The Bengali WOMAC had similar construct validity when compared to the HAQ (ρ 0.74, n = 70) and SF-36 bodily pain and physical functioning. It had dissimilar construct validity to SF-36 mental health domain except WOMAC pain. Factor analysis revealed five factors with eigenvalues of more than 1.0. Cronbach's alpha and ICC exceeded 0.7 in all domains. In the test-retest reliability testing, Spearman's ρ for all items exceeded 0.4 (n = 40). This study has demonstrated that the Bengali version of WOMAC is a valid tool for assessing quality of life of patients with knee osteoarthritis in Bangladesh and is reliable. SN - 1437-160X UR - https://www.unboundmedicine.com/medline/citation/25510291/Development_linguistic_and_clinimetric_validation_of_the_WOMAC_VA3_01_Bangla_for_Bangladesh_Index_ L2 - https://dx.doi.org/10.1007/s00296-014-3192-y DB - PRIME DP - Unbound Medicine ER -