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  1. Education
  2. Variables and parameters
  3. Variables and parameters
Endgames Statistical Question

Variables and parameters

BMJ 2010; 340 doi: https://doi.org/10.1136/bmj.c1568 (Published 25 March 2010) Cite this as: BMJ 2010;340:c1568
  1. Philip Sedgwick, senior lecturer in medical statistics
  1. 1Centre for Medical and Healthcare Education, St George’s, University of London, London SW17 0RE
  1. p.sedgwick{at}sgul.ac.uk

    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 …

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