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Sang soo Shin 1 Article
Validity analysis on merged and averaged data using within and between analysis: focus on effect of qualitative social capital on self-rated health
Sang soo Shin, Young-jeon Shin
Epidemiol Health. 2016;38:e2016012.   Published online April 8, 2016
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AbstractAbstract AbstractSummary PDFSupplementary Material
With an increasing number of studies highlighting regional social capital (SC) as a determinant of health, many studies are using multi-level analysis with merged and averaged scores of community residents’ survey responses calculated from community SC data. Sufficient examination is required to validate if the merged and averaged data can represent the community. Therefore, this study analyzes the validity of the selected indicators and their applicability in multi-level analysis.
Within and between analysis (WABA) was performed after creating community variables using merged and averaged data of community residents’ responses from the 2013 Community Health Survey in Korea, using subjective self-rated health assessment as a dependent variable. Further analysis was performed following the model suggested by WABA result.
Both E-test results (1) and WABA results (2) revealed that single-level analysis needs to be performed using qualitative SC variable with cluster mean centering. Through single-level multivariate regression analysis, qualitative SC with cluster mean centering showed positive effect on self-rated health (0.054, p<0.001), although there was no substantial difference in comparison to analysis using SC variables without cluster mean centering or multi-level analysis.
As modification in qualitative SC was larger within the community than between communities, we validate that relational analysis of individual self-rated health can be performed within the group, using cluster mean centering. Other tests besides the WABA can be performed in the future to confirm the validity of using community variables and their applicability in multi-level analysis.
Korean summary
이 연구는 개인의 주관적 건강감에 미치는 지역 사회 자본의 효과를 보기 위하여 개인 응답치의 합산 평균한 자료를 지역 변인으로 활용하는 것이 타당한지 WABA 를 수행하였다. 분석 결과 다수준 분석을 하는 것이 적절치 않았으며 개인 수준의 사회자본에서 지역 수준의 사회자본을 뺀 값을 단수준 분석에 활용할 것을 제안하였다.
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Citations to this article as recorded by  
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