Variables and parametersBMJ 2010; 340 doi: https://doi.org/10.1136/bmj.c1568 (Published 25 March 2010) Cite this as: BMJ 2010;340:c1568
- Philip Sedgwick, senior lecturer in medical statistics
- 1Centre for Medical and Healthcare Education, St George’s, University of London, London SW17 0RE
Researchers investigated the influence of body mass index and alcohol consumption on the incidence of liver cirrhosis in middle aged women.1 They used data from the Million Women Study,2 a prospective cohort study based in the United Kingdom. At recruitment and follow-up, the measurements for each woman included body mass index, age, smoking, and self reported alcohol consumption.
Which one of …