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Applying a technology-based system for weight loss in adults with obesity

Rogers, RJ
; 
Lang, W
; 
Barone Gibbs, B
; 
Davis, KK
; 
Burke, LE
; 
Kovacs, SJ
; 
Portzer, LA
; 
Jakicic, JM
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Journal Article
Date
2016-03-01
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e‐health
 m‐health
 obesity
 weight loss
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http://hdl.handle.net/20.500.12613/5076
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10.1002/osp4.18
Abstract
© 2016 The Authors Obesity Science & Practice published by John Wiley & Sons Ltd, World Obesity and The Obesity Society. Objective: The aim of this study was to compare an in-person, group-based behavioral weight loss intervention to technology-based interventions in adults with obesity. Methods: Adults (N = 39; body mass index: 39.5 ± 2.8 kg m−2; age: 39.9 ± 11.5 years) participated in a 6-month program with randomization to one of three intervention groups: standard behavioral weight loss, a technology-based system combined with a monthly intervention telephone call (TECH) or an enhanced technology-based system combined with a monthly intervention telephone call (EN-TECH). All groups were prescribed an energy-restricted diet and physical activity. Assessments occurred at 0, 3 and 6 months. Separate mixed-effects models using unstructured dependence structure were fit to the outcomes. Results: Weight loss (least square means ± standard error) at 6 months was −6.57 ± 1.65 kg in standard behavioral weight loss, −5.18 ± 1.72 kg in TECH and −6.25 ± 1.95 kg in EN-TECH (p-value for time effect ≤ 0.0001). A similar pattern was observed for change in body mass index, waist circumference and percent body fat. There was a decrease in total energy intake (p = 0.0005) and percent dietary fat intake (p = 0.0172), and physical activity increased (p = 0.0003). Conclusions: Findings provide initial information on the use of technology-based interventions that include wearable devices combined with brief monthly telephone calls for weight loss in adults with obesity.
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Obesity Science and Practice
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