interventions for management However, some management; clinically significant. OQAQ=18 weight loss and programmes; diet, studies did not modelling; Effectiveness remains maintenance PA or both; mention assertiveness unclear. No UK RCT lifestyle behavior participant training; cognitive studies in review change strategy characteristics behavioral strategies; relapse prevention model; pocket diaries; lotteries to encourage attendance; questionnaires Manzoni Descriptive To examine the Inclusion: RCT; Interventions = 26 Weight loss Individual e-mail 25/25 relevant (2011) effectiveness of publication in a and feedback; studies. Internet-based web-based peer reviewed N= 8324 maintenance of Heterogeneity found interventions for journal; weight and diet; in most studies 18 studies from weight loss and overweight or Sample = exercise diaries including duration of previous review maintenance obese adults; community; 77% intervention, type of (Neve et al. internet-based; female feedback, and social 2010) and 2008 weight loss or support tools. to 2011 for own maintenance Findings inconclusive review outcomes OQAQ=13 Neve (2010) Meta-analysis To examine the Inclusion: RCT Interventions = 20 Percentage Behavioral 18/18 relevant effectiveness of with one change in therapy; studies. Three of six Web-based internet-based intervention N= 5700 body weight individually studies reported 5% interventions for study arm; targets tailored or greater weight lost. 1995 to 2010 weight loss and weight loss or Sample = 77% programme; Heterogeneity weight maintenance; female (3.7% email feedback; between studies. OQAQ=15 maintenance and dietary or PA unclear) motivational Effectiveness remains to identify the behavior change; interviewing; unclear. Require underlying 18 years or over; telephone studies providing components overweight or human email detailed descriptions influencing obese counselling of intervention weight control content for
OQAQ=18 interventions for weight loss and maintenance management programmes; diet, PA or both; lifestyle behavior change strategy However, some studies did not mention participant characteristics management; modelling; assertiveness training; cognitive behavioral strategies; relapse prevention model; pocket diaries; lotteries to encourage attendance; questionnaires clinically significant. Effectiveness remains unclear. No UK RCT studies in review Manzoni (2011) Descriptive Internet-based 18 studies from previous review (Neve et al. 2010) and 2008 to 2011 for own review OQAQ=13 To examine the effectiveness of web-based interventions for weight loss and maintenance Inclusion: RCT; publication in a peer reviewed journal; overweight or obese adults; internet-based; weight loss or maintenance outcomes Interventions = 26 N= 8324 Sample = community; 77% female Weight loss and maintenance Individual e-mail feedback; of weight and diet; exercise diaries 25/25 relevant studies. Heterogeneity found in most studies including duration of intervention, type of feedback, and social support tools. Findings inconclusive Neve (2010) Meta-analysis Web-based 1995 to 2010 OQAQ=15 To examine the effectiveness of internet-based interventions for weight loss and weight maintenance and to identify the underlying components influencing weight control Inclusion: RCT with one intervention study arm; targets weight loss or maintenance; dietary or PA behavior change; 18 years or over; overweight or obese Interventions = 20 N= 5700 Sample = 77% female (3.7% unclear) Percentage change in body weight Behavioral therapy; individually tailored programme; email feedback; motivational interviewing; telephone human email counselling 18/18 relevant studies. Three of six studies reported 5% or greater weight lost. Heterogeneity between studies. Effectiveness remains unclear. Require studies providing detailed descriptions of intervention content for
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