title: Efficacy vs effectiveness.
authors.forename: Sherry L
authors.initials: SL
authors.lastname: Pagoto
authors.forename: Stephenie C
authors.initials: SC
authors.lastname: Lemon
mesh_terms: D003920:Diabetes Mellitus / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008297:Male; D011320:Primary Health Care; D061217:Weight Reduction Programs