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Studies were identified by searching Medline (1980–98), Psychological Abstracts, ERIC, and Healthstar databases and the Journal of Family Practice web site with the terms physical activity, physical activity counselling, primary care, medical office, exercise interventions, and health promotion. Bibliographies of relevant studies and previous reviews were scanned, and 3 experts in the field were contacted to identify unpublished studies.
Studies were selected if they were randomised controlled trials (RCTs) or quasi-experimental studies, the intervention was delivered or initiated in a primary care setting, and the results included ≥1 measure of physical activity. Studies focusing solely on cardiovascular disease were excluded.
Data on …
Source of funding: not stated.
For correspondence: Dr E G Eakin, Center for Community Studies, AMC Cancer Research Center, 1600 Pierce Street, Denver, CO 80214, USA..
Abstract and commentary also appear in Evidence-Based Medicine.