Table 1: The literature search

We searched the Cochrane Library, including the Cochrane Database of Systematic Reviews (to second quarter 2000), Database of Abstracts of Reviews of Effectiveness (to first quarter, 2000), Best Evidence (1991 to March/April 2000), Cochrane Controlled Trials Register (to first quarter 2000), MEDLINE (1986 to 2000), CINAHL (1982 to April 2000), Psychlit and AUSHEALTH. A number of other electronic databases and sites were searched, including the World Health Organisation, NHS Centre for Reviews and Dissemination, New York Academy of Medicine, New York Academy of Public Health Medicine, the National Cancer Institute's CancerNet (PDQ site), the NIS (PARQ) databases, the US Centre for Advanced Health, Canadian Health Promotion Development Section, the Centre for Evidence Based Mental Health (UK), the Australian Institute of Health & Welfare, the Department of Health & Aged Care, NSW Health Publications, RACGP Publications, State Departments of Health/Human Services, and the University of Melbourne Faculty of Education Mind Matters site. The NHMRC National Rural Research Project database was searched by the project's research assistant, using our search terms (April 2000). Electronic searches of the indexes of international medical and health informatics publications including American Journal of Preventive Medicine, Annual Review of Public Health, Australian Family Physician, Australian Journal of Rural Health, BMJ, BJGP, CMAJ, Family Practice, Health Services Journal, Health Promotion International, Informatics in Healthcare Australia, International Journal of Medical Informatics, International Journal of Health Promotion, Joint Commission Journal on Quality Improvement, Journal of American Medical Association, Journal of American Medical Informatics Association, Journal of Advanced Nursing, and MJAe were conducted for the years available and a hand search of all editions of the Australian and New Zealand Journal of Public Health (1994-2000), proceedings of the SCAMC and AMIA Conferences (Spring and Fall), Medinfo and Conferences of the Primary Health Care Special Interest Group of the British Computer Society. Reference lists of obtained articles were also searched. In addition, we made personal contact with content experts in the general practice, public health and informatics fields.