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Measuring disability across cultures - the psychometric properties of the WHODAS II in older people from seven low- and middle-income countries. The 10/66 Dementia Research Group population-based survey
Sousa, Renata M.1; Dewey, Michael E.1; Acosta, Daisy2; Jotheeswaran, A. T.3; Castro-Costa, Erico1; Ferri, Cleusa P.1; Guerra, Mariella4; Huang, Yueqin5; Jacob, K. S.6; Rodriguez Pichardo, Juana Guillermina7; Garcia Ramirez, Nayeli8; Rodriguez, Juan Llibre9; Calvo Rodriguez, Marina9; Salas, Aquiles10; Luisa Sosa, Ana8; Williams, Joseph11; Prince, Martin J.1
关键词Disability Elderly Developing Countries Whodas Ii Psychometric Properties
刊名INTERNATIONAL JOURNAL OF METHODS IN PSYCHIATRIC RESEARCH
2010-03-01
DOI10.1002/mpr.299
19期:1页:1-17
收录类别SCI ; SSCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Psychiatry
研究领域[WOS]Psychiatry
关键词[WOS]ASSESSMENT SCHEDULE-II ; QUALITY-OF-LIFE ; PRIMARY-CARE ; HEALTH ; SCALE ; DEPRESSION ; DISORDERS
英文摘要

We evaluated the psychometric properties of the 12-item interviewer-administered screener version of the World Health Organization Disability Assessment Schedule - version II (WHODAS II) among older people living in seven low- and middle-income countries. Principal component analysis (PCA), confirmatory factor analysis (CFA) and Mokken analyses were carried out to test for unidimensionality, hierarchical structure, and measurement invariance across 10/66 Dementia Research Group sites.

PCA generated a one-factor solution in most sites. In CFA, the two-factor solution generated in Dominican Republic fitted better for all sites other than rural China. The two factors were not easily interpretable, and may have been an artefact of differing item difficulties. Strong internal consistency and high factor loadings for the one-factor solution supported unidimensionality. Furthermore, the WHODAS II was found to be a ′strong′ Mokken scale. Measurement invariance was supported by the similarity of factor loadings across sites, and by the high between-site correlations in item difficulties.

The Mokken results strongly support that the WHODAS II 12-item screener is a unidimensional and hierarchical scale confirming to item response theory (IRT) principles, at least at the monotone homogeneity model level. More work is needed to assess the generalizability of our findings to different populations. Copyright (C) 2010 John Wiley & Sons, Ltd.

语种英语
WOS记录号WOS:000275793700001
项目编号GR066133 ; IIRG - 04 - 1286
资助机构The Wellcome Trust (UK) ; World Health Organization ; US Alzheimer&prime ; s Association ; Fondo Nacional de Ciencia Y Tecnologia, Consejo de Desarrollo Cientifico Y Humanistico, Universidad Central de Venezuela (Venezuela)
引用统计
被引频次:63[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/56342
专题北京大学精神卫生研究所
作者单位1.Med Univ Havana, Fac Med Finlay Albarran, Havana, Cuba
2.Voluntary Hlth Serv, Dept Community Hlth, Madras, Tamil Nadu, India
3.Voluntary Hlth Serv, Inst Community Hlth, Madras, Tamil Nadu, India
4.Peking Univ, Inst Mental Hlth, Beijing 100871, Peoples R China
5.Kings Coll London, Inst Psychiat, Hlth Serv & Populat Res Dept, London SE5 8AF, England
6.Univ Nacl Pedro Henriquez Urena, Dept Internal Med, Geriatr Sect, Santo Domingo, Dominican Rep
7.Natl Inst Mental Hlth Honorio Delgado Hideyo Nogu, Psychogeriatr Unit, Lima, Peru
8.Christian Med Coll & Hosp, Vellore, Tamil Nadu, India
9.Colegio Dominicano Estadisticos & Demog CODE, Santo Domingo, Dominican Rep
10.Univ Nacl Autonoma Mexico, Natl Inst Neurol & Neurosurg Mexico, Mexico City 04510, DF, Mexico
11.Cent Univ Venezuela, Dept Med, Caracas Univ Hosp, Fac Med, Caracas, Venezuela
推荐引用方式
GB/T 7714
Sousa, Renata M.,Dewey, Michael E.,Acosta, Daisy,et al. Measuring disability across cultures - the psychometric properties of the WHODAS II in older people from seven low- and middle-income countries. The 10/66 Dementia Research Group population-based survey[J]. INTERNATIONAL JOURNAL OF METHODS IN PSYCHIATRIC RESEARCH,2010,19(1):1-17.
APA Sousa, Renata M..,Dewey, Michael E..,Acosta, Daisy.,Jotheeswaran, A. T..,Castro-Costa, Erico.,...&Prince, Martin J..(2010).Measuring disability across cultures - the psychometric properties of the WHODAS II in older people from seven low- and middle-income countries. The 10/66 Dementia Research Group population-based survey.INTERNATIONAL JOURNAL OF METHODS IN PSYCHIATRIC RESEARCH,19(1),1-17.
MLA Sousa, Renata M.,et al."Measuring disability across cultures - the psychometric properties of the WHODAS II in older people from seven low- and middle-income countries. The 10/66 Dementia Research Group population-based survey".INTERNATIONAL JOURNAL OF METHODS IN PSYCHIATRIC RESEARCH 19.1(2010):1-17.
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