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Q In overweight and obese adults, is a combination of dietary intervention and exercise more effective than dietary intervention alone for inducing long term weight loss?
Cochrane Controlled Trials Register (Cochrane Library), Medline, and LILACS (all up to March 2003). Published reviews and all relevant studies and their reference lists were also scrutinised for other pertinent publications.
Study selection and assessment:
randomised controlled trials (RCTs) published in any language that compared a combination of dietary intervention (including any type of caloric restriction) and exercise (any type of exercise in which it was possible to quantify the recommended activity) with dietary intervention alone in overweight or obese adults (body mass index >25 kg/m2). RCTs were also required to have ⩾1 year …
For correspondence: Dr C C Curioni, Instituto de Medicina Social, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil. c_
Source of funding: not stated.