Inappropriate survey design analysis of the Korean National Health and Nutrition Examination Survey may produce biased results.

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Published in J Prev Med Public Health on March 28, 2013

Authors

Yangho Kim1, Sunmin Park, Nam-Soo Kim, Byung-Kook Lee

Author Affiliations

1: Department of Occupational and Environmental Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.

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