BMC Public Health 2006, 6:211 http://www.biomedcentral.com/1471-2458/6/211 18. Milgrom J, Ericksen J, Negri L, Gemmill A: Screening for postnatal depression in routine primary care: Properties of the Edin- burgh Postnatal Depression Scale in an Australian sample. Aust NZ J Psychiat 2005, 39:843-849. 19. Boyce PM, Stubbs J, Todd A: The Edinburgh Postnatal Depres- sion Scale: validation for an Australian sample. Aust NZ J Psy- chiat 1993, 27:472-476. 20. Simler S: An overview of content analysis. Prac Assess, Res Eval 2001, 7:17. 21. Gold MR, Siegel JE, Russell LB, Weinstein MC, editors: Cost-effective- ness in health and Medicine New York: Oxford University Press; 1996. 22. Goldie SJ, Weinstein MC, Kuntz KM, Freedberg KA: The costs, clin- ical benefits, and cost-effectiveness of screening for cervical cancer in HIV-infected women. Ann Int Med 1999, 103:97-107. 23. Zhou XH, Obuchowski NA, McClish DK: Statistical Methods in Diag- nostic Medicine New York: Wiley; 2002. 24. Haby MM, Carter R, Mihalopoulos C, Magnus A, Sanderson K, Andrews G, Vos T: Assessing cost-effectiveness – Mental health: introduction to the study and methods. Aust NZ J Psy- chiat 2005, 38:569-578. 25. Dell DL: Depression in women. In Clinical Updates in Women's Health Care Volume 1. The American College of Obstetricians and Gynecologists; 2002. 26. Shakespeare J: Evaluation of screening for postnatal depres- sion against the NSC handbook criteria. Working party docu- ment 2002 [http://dev.nelh.nhs.uk/screening/adult_pps/ shakespeare_final_paper.pdf ]. Pre-publication history The pre-publication history for this paper can be accessed here: http://www.biomedcentral.com/1471-2458/6/211/pre pub Publish with Bio Med Central and every scientist can read your work free of charge "BioMed Central will be the most significant development for disseminating the results of biomedical research in our lifetime." Sir Paul Nurse, Cancer Research UK Your research papers will be: available free of charge to the entire biomedical community peer reviewed and published immediately upon acceptance cited in PubMed and archived on PubMed Central yours — you keep the copyright Submit your manuscript here: http://www.biomedcentral.com/info/publishing_adv.asp BioMedcentral Page 8 of 8 (page number not for citation purposes)