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学科主题: 精神卫生
题名:
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
作者: 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
发表日期: 2010-03-01
DOI: 10.1002/mpr.299
卷: 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
所属项目编号: GR066133 ; IIRG - 04 - 1286
项目资助者: 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)
WOS记录号: WOS:000275793700001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/56342
Appears in Collections:北京大学精神卫生研究所_期刊论文

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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

Recommended Citation:
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.
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