Journal of Health, Population and Nutrition, Vol. 23, No. 1 (March 2005), pp. 66-73 (8 pages) In many community-based surveys, multi-level sampling is inherent in the design. In the design of these ...
To calculate intra-cluster and intra-household design effects and intra-class correlation coefficients for dietary nutrients obtained from a 24 h record-assisted recall. There were 125 children in 50 ...
This is a preview. Log in through your library . Abstract Community trials involve the assignment of intact social groups to study conditions and are becoming increasingly common in epidemiologic ...
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