Saperstein Descriptive To investigate the Inclusion: RCT; Interventions = 6 Weight and Online logins; 6/6 relevant studies. (2007) efficacy of the internet-based waist food diaries; Did not synthesize Internet-based internet as a mode weight lost N= NS circumference online programs quantitative data. of delivery to programs; targeting dietary Internet-based tools Not reported facilitate weight overweight or Sample = unclear and PA changes, could be effective for loss. obese adults through cognitive weight loss. OQAQ=9 and behavior Particularly, strategies; structured, personalized personalized feedback and programs that include support cognitive behavioral strategies Tuah (2011) Descriptive To examine the Inclusion: RCT; Interventions = 5 Weight loss TTM SOC; 2/5 relevant studies. effectiveness of 18 years or over; Interventions utilising Range of PA and dietary overweight or N= 3910 feedback; TTM SOC induced methods programs that use obese; healthy personalized small weight change, incorporating the the adults; Sample = age assessment report but weight lost Transtheoretical transtheoretical range from 25-75, quarterly unsustainable over Model and model (TTM) to including predominately telephone; time. Heterogeneity Stages of Change facilitate weight diabetes, heart white newsletters; across outcomes and TTM SOC loss diseases and manuals; interventions with hypertension; use pedometers; face small to medium No restriction of TTM SOC to face samples. TTM SOC (from inception model; tailored counselling ineffective for weight to 2011) lifestyle loss modification OQAQ=18 strategies Turk (2009) Descriptive To summarize the Inclusion: RCT; Interventions = 40 Weight Self-monitoring; 8/40 relevant studies. findings of RCT weight maintenance self-weighing; Mixed results. No Clinical, therapy interventions that maintenance; N= unclear chatroom; weekly difference in weight and assess strategies adult population; weights online; maintenance when for maintenance English language; Sample = food diaries; compared to in-person modality of weight and the true predominately healthy diet interventions in two viability of these design; randomly white educational relevant studies 1984 to 2007 programs assigned at materials; maintenance pedometers OQAQ=11
Saperstein (2007) Descriptive Internet-based Not reported OQAQ=9 To investigate the efficacy of the internet as a mode of delivery to facilitate weight loss. Inclusion: RCT; internet-based weight lost programs; overweight or obese adults Interventions = 6 N= NS Sample = unclear Weight and waist circumference Online logins; food diaries; online programs targeting dietary and PA changes, through cognitive and behavior strategies; personalized feedback and support 6/6 relevant studies. Did not synthesize quantitative data. Internet-based tools could be effective for weight loss. Particularly, structured, personalized programs that include cognitive behavioral strategies Tuah (2011) Descriptive Range of methods incorporating the Transtheoretical Model and Stages of Change TTM SOC No restriction (from inception to 2011) OQAQ=18 To examine the effectiveness of PA and dietary programs that use the transtheoretical model (TTM) to facilitate weight loss Inclusion: RCT; 18 years or over; overweight or obese; healthy adults; including diabetes, heart diseases and hypertension; use of TTM SOC model; tailored lifestyle modification strategies Interventions = 5 N= 3910 Sample = age range from 25-75, predominately white Weight loss TTM SOC; feedback; personalized assessment report quarterly telephone; newsletters; manuals; pedometers; face to face counselling 2/5 relevant studies. Interventions utilising TTM SOC induced small weight change, but weight lost unsustainable over time. Heterogeneity across outcomes and interventions with small to medium samples. TTM SOC ineffective for weight loss Turk (2009) Descriptive Clinical, therapy and modality 1984 to 2007 OQAQ=11 To summarize the findings of RCT interventions that assess strategies for maintenance of weight and the viability of these programs Inclusion: RCT; weight maintenance; adult population; English language; true design; randomly assigned at maintenance Interventions = 40 N= unclear Sample = predominately white Weight maintenance Self-monitoring; self-weighing; chatroom; weekly weights online; food diaries; healthy diet educational materials; pedometers 8/40 relevant studies. Mixed results. No difference in weight maintenance when compared to in-person interventions in two relevant studies
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