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Dichotomization: 2 × 2 (×2 × 2 × 2...) categories: infinite possibilities

Karyn K Heavner1,2*, Carl V Phillips2, Igor Burstyn3,4 and Warren Hare5

Author Affiliations

1 School of Public Health, University of Alberta, Edmonton, Alberta, T6G 2L9, Canada

2 TobaccoHarmReduction.org, Saint Paul, MN, 55104, USA

3 Department of Environmental and Occupational Health, Drexel University School of Public Health, Philadelphia, Pennsylvania, 19102, USA

4 Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, T6G 1K4, Canada

5 Department of Math, Statistics, and Physics, University of British Columbia, Okanagan, Kelowna, British Columbia, V1V1V7, Canada

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BMC Medical Research Methodology 2010, 10:59 doi:10.1186/1471-2288-10-59

Published: 23 June 2010

Additional files

Additional file 1:

Appendix 1. Studies that referenced the 1991 Wartenberg and Northridge study.

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Additional file 2:

Appendix 2. BMI and total serum cholesterol in the NHANES sample, 1999-2006 (n = 19,340).

Format: JPEG Size: 88KB Download file

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