Telemed J E Health - Teledietetics improves weight reduction by modifying eating behavior: a randomized controlled trial.


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CKGROUND: Weight reduction without behavioral modification is not sustainable. However, with a technology application such as teledietetics, the recording process could be a cognitive cue for individuals to change their eating behavior. This study tested obese participants to determine whether teledietetics shows better results in weight reduction.STUDY DESIGN AND METHODS: We conducted a double-blinded randomized controlled trial. The participants in the food diary (FD) and electronic diary (ED) groups recorded their dietary intakes in logbooks and on an electronic diary system, respectively. The participants in the control group (CG) did nothing. Subjects were adults 20-60 years of age with a body mass index (BMI) of =25 kg/m(2). The ED and FD groups were the intervention groups and were compared with the CG group. The participants' body weights, BMIs, fat percentages, waist-to-hip ratios (WHRs), and mean arterial pressures (MAPs) were measured before the study, at Week 6, and at Week 12. Demographic data were collected using self-administered questionnaires. A chi-squared test and descriptive statistics were used to describe the demographic and biomeasurement data. Repeated-measures analysis of variance was used to evaluate the effectiveness of the three groups over time.RESULTS: Significant decreases in body weight (F1.705,86.950=20.508, p<0.001) and BMI (F1.657, 84.486=21.256, p<0.001) and insignificant decreases in fat percentage (F2,94=0.547, p=0.581), WHR (F1.785,91.052=2.888, p=0.067), and MAP (F2,94=7.542, p=0.0001) were observed among the three measurement times.CONCLUSIONS: Electronic dietary records were better than food diaries in terms of fat percentage reduction in our trials, indicating that teledietetics increases healthy-eating awareness.

Resumo Limpo

ckground weight reduct without behavior modif sustain howev technolog applic teledietet record process cognit cue individu chang eat behavior studi test obes particip determin whether teledietet show better result weight reductionstudi design method conduct doubleblind random control trial particip food diari fd electron diari ed group record dietari intak logbook electron diari system respect particip control group cg noth subject adult year age bodi mass index bmi kgm ed fd group intervent group compar cg group particip bodi weight bmis fat percentag waisttohip ratio whrs mean arteri pressur map measur studi week week demograph data collect use selfadminist questionnair chisquar test descript statist use describ demograph biomeasur data repeatedmeasur analysi varianc use evalu effect three group timeresult signific decreas bodi weight f p bmi f p insignific decreas fat percentag f p whr f p map f p observ among three measur timesconclus electron dietari record better food diari term fat percentag reduct trial indic teledietet increas healthyeat awar

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