Abstract
Spatial Epidemiology of Diabetes and Tuberculosis in India
Highlights
The study by Hernandez et al[1] contains some inconsistencies in the reporting of the National Family Health Survey and the study methods
The National Family Health Survey uses a cluster-based design, and a subsample of 15% of households were selected for additional modules, including the men’s survey
A representative subsample was achieved by conducting the additional modules in alternating households within 30% of selected clusters
Summary
The study by Hernandez et al[1] contains some inconsistencies in the reporting of the National Family Health Survey and the study methods. The National Family Health Survey uses a cluster-based design, and a subsample of 15% of households were selected for additional modules, including the men’s survey. The difference is minor, an alternate approach would be to use the subsample weight for men and women, resulting in an overall self-reported diabetes prevalence of 1.95% (95% CI, 1.82%2.08%) compared with the 1.76% reported in the article.
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