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Endgames Statistical Question

Observational Study Design I

BMJ 2011; 342 doi: (Published 23 March 2011) Cite this as: BMJ 2011;342:d1742
  1. Philip Sedgwick, senior lecturer in medical statistics
  1. 1Section of Medical and Healthcare Education, St George’s, University of London, Tooting, London, UK
  1. p.sedgwick{at}

Researchers investigated violence by intimate partners and associated factors among married women living in Tirana, the capital city of Albania. A national survey undertaken in April 2001 was used to compile a list of all married women aged 25 to 65 years living in Tirana. A representative sample of 1039 women was randomly selected from the list. In summer 2003 all women in the sample were sent a questionnaire asking for social and demographic characteristics of themselves and their husbands together with details of any intimate partner violence over the previous year. Thirty seven per cent of the women …

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