期刊
JOURNAL OF EPIDEMIOLOGY AND COMMUNITY HEALTH
卷 63, 期 11, 页码 871-U21出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/jech.2009.088021
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资金
- Economic & Social Research Council/Medical Research Council
- Economic & Social Research Council Medical Research Council
- MRC [G0600705] Funding Source: UKRI
- Medical Research Council [G0600705] Funding Source: researchfish
Background: Many epidemiological studies require a measure of socioeconomic position. The monetary measure preferred by economists is consumption expenditure; the wealth index has been proposed as a reliable, simple alternative to expenditure and is extensively used. Methods: A systematic review was conducted of the agreement between wealth indices and consumption expenditure, summarising the agreement and exploring factors affecting agreement. Results: Seventeen studies using 36 datasets met the inclusion criteria. Of these, 22 demonstrated weak agreement, 10 moderate agreement, and four strong agreement. There was some evidence that agreement is higher: in middle-income settings; in urban areas; for wealth indices with a greater number of indicators; and for wealth indices including a wider range of indicators. Conclusions: The wealth index is mostly a poor proxy for consumption expenditure.
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