• Anon (2005) Accessed at
  • Bagley, S.C., White, H. and Golomb, B.A. (2001) Logistic regression in the medical literature: Standards for use and reporting, with particular attention to one medical domain. J. clin. Epidemiol. 54, 979985.
  • Berry, G. (1986) Statistical significance and confidence intervals. Med. J. Aust. 144, 618619.
  • Dohoo, I., Martin, W. and Stryhn, H. (2003) Veterinary Epidemiologic Research. AVC Inc., Charlottetown , Prince Edward Island .
  • Hosmer, D.W. and Lemeshow, S. (2000) Applied Logistic Regression, 2nd edn., John Wiley and Sons Inc., New York .
  • Moher, D., Schulz, K.F. and Altman, D.G. (2001) The CONSORT statement: Revised recommendations for improving the quality of reports of parallel-group randomised trials. Lancet 357, 11911194.
  • Pocock, S.J., Collier, T.J., Dandreo, K.J., de Stavola, B.L., Goldman, M.B., Kalish, L.A., Kasten, L.E. and McCormack, V.A. (2004) Issues in the reporting of epidemiological studies: a survey of recent practice. Br. med. J. 329, 883887.
  • Thrusfield, M. (2005) Veterinary Epidemiology, 2nd edn., Blackwell Science Ltd., Oxford . pp 227228.
  • von Elm, E. and Egger, M. (2004) The scandal of poor epidemiological research. Br. med. J. 329, 868869.
  • von Elm, E., Altman, D.G., Egger, M., Pocock, S.J., Gotzsche, P.C., Vandenbroueke, J.P. and STROBE Initiative (2007) Strengthening the reporting of observational studies in epidemiology (STROBE) statement: Guidelines for reporting observational studies. Br. med. J. 335, 806808.