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Effect of mHealth With Offline Antiobesity Treatment in a Community-Based Weight Management Program: Cross-Sectional Study

 Youngin Kim  ;  Bumjo Oh  ;  Hyun-Young Shin 
 JMIR MHEALTH AND UHEALTH, Vol.8(1) : e13273, 2020-01 
Journal Title
Issue Date
Adult ; Body Mass Index ; Cross-Sectional Studies ; Female ; Humans ; Male ; Middle Aged ; Mobile Applications* ; Obesity / therapy* ; Telemedicine* ; Weight Loss
obesity ; mobile apps ; mobile health ; weight loss
Background: Weight loss interventions using mobile phone apps have recently shown promising results. Objective: This study aimed to analyze the short-term weight loss effect of a mobile coaching intervention when it is integrated with a local public health care center and a regional hospital's antiobesity clinic as a multidisciplinary model. Methods: A total of 150 overweight or obese adults signed up to complete an 8-week antiobesity intervention program with human coaching through a mobile platform. Paired t tests and multiple linear regression analysis were used to identify the intervention factors related to weight change. Results: Among the 150 participants enrolled in this study, 112 completed the 8-week weight loss intervention. Weight (baseline: mean 77.5 kg, SD 12.9; after intervention: mean 74.8 kg, SD 12.6; mean difference -2.73 kg), body mass index, waist circumference, fat mass (baseline: mean 28.3 kg, SD 6.6; after intervention: mean 25.7 kg, SD 6.3; mean difference -2.65 kg), and fat percentage all showed a statistically significant decrease, and metabolic equivalent of task (MET) showed a statistically significant increase after intervention. In multiple linear regression analysis, age (beta=.07; P=.06), MET (beta=-.0009; P=.10), number of articles read (beta=-.01; P=.04), and frequency of weight records (beta=-.05; P=.10; R-2=0.4843) were identified as significant factors of weight change. Moreover, age (beta=.06; P=.03), sex (female; beta=1.16; P=.08), MET (beta=-.0009; P<.001), and number of articles read (beta=-.02; P<.001; R-2=0.3728) were identified as significant variables of fat mass change. Conclusions: The multidisciplinary approach, combining a mobile health (mHealth) care app by health care providers, was effective for short-term weight loss. Additional studies are needed to evaluate the efficacy of mHealth care apps in obesity treatment.
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