Hemmingsson Descriptive A summary of Inclusion: Interventions = 7 Physical Insufficient 2/7 relevant studies. (2001) physical activity Overweight and activity levels description of Did not synthesize Internet-based behavior change obese adults; N= 651 and weight/fat intervention quantitative data. adherence contain PA loss content; peer Various factors 1966 to 2001 influences behavior change Sample = unclear support; telephone influencing PA adherence social support and behavior change. OQAQ=8 information logins described Evidence not in two relevant conclusive and studies warrants further research Keller (2008) Descriptive A description of Inclusion: Weight Interventions = 6 Weight and fat Food and activity 3/6 relevant studies. intervention loss or body loss diaries for Weight loss range of Home/gym based studies for composition N= 298 and 1.6 to 7.8kg. exercises for guiding weight outcome; PA goal setting; Significant changes in postpartum management interventions; Sample = Harris-benedict body composition in women interventions postpartum community; 100% equation; target women found in women; RCT female; heart rate relevant studies. No May 2007 predominately percentage; significant changes in white motivational weight loss. OQAQ=9 interviewing; Effectiveness remain informational unclear brochure; written lessons; telephone contact Kroeze (2006) Descriptive A review of the Inclusion: Interventions = 31 Change in Tailored and 2/31 relevant studies. efficacy of Computer tailored health interactive Did not synthesize Computer-based nutrition interventions N= 84-1,317 behavior (PA feedback; quantitative data. education and targeting PA or and diet) and computer-tailored Evidence for 1965 to Sep 2004 expert-driven diet; RCT with Sample = unclear weight loss letters; pamphlets; computer-tailored computer-tailored pre and post-test; brochures; interventions is OQAQ=12 physical activity adults; studies in multimedia (text strong. However, interventions English; delivered and video); small effect size in in a computer-tailored most studies. Follow print materials up periods only up to “nonpersonal” way without 6 months person-to-person counselling
Hemmingsson (2001) Descriptive Internet-based 1966 to 2001 OQAQ=8 A summary of physical activity behavior change adherence influences Inclusion: Overweight and obese adults; contain PA behavior change adherence information Interventions = 7 N= 651 Sample = unclear Physical activity levels and weight/fat loss Insufficient description of intervention content; peer support; telephone social support and logins described in two relevant studies 2/7 relevant studies. Did not synthesize quantitative data. Various factors influencing PA behavior change. Evidence not conclusive and warrants further research Keller (2008) Descriptive Home/gym based exercises for postpartum women May 2007 OQAQ=9 A description of intervention studies for guiding weight management interventions Inclusion: Weight loss or body composition outcome; PA interventions; postpartum women; RCT Interventions = 6 N= 298 Sample = community; 100% female; predominately white Weight and fat loss Food and activity diaries for and goal setting; Harris-benedict equation; target heart rate percentage; motivational interviewing; informational brochure; written lessons; telephone contact 3/6 relevant studies. Weight loss range of 1.6 to 7.8kg. Significant changes in body composition in women found in relevant studies. No significant changes in weight loss. Effectiveness remain unclear Kroeze (2006) Descriptive Computer-based 1965 to Sep 2004 OQAQ=12 A review of the efficacy of nutrition education and expert-driven computer-tailored physical activity interventions Inclusion: Computer tailored interventions targeting PA or diet; RCT with pre and post-test; adults; studies in English; delivered in a “nonpersonal” way without person-to-person counselling Interventions = 31 N= 84-1,317 Sample = unclear Change in health behavior (PA and diet) and weight loss Tailored and interactive feedback; computer-tailored letters; pamphlets; brochures; multimedia (text and video); computer-tailored print materials 2/31 relevant studies. Did not synthesize quantitative data. Evidence for computer-tailored interventions is strong. However, small effect size in most studies. Follow up periods only up to 6 months
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