Empowered with Movement to Prevent Obesity & Weight Regain (EMPOWER): Design and methods

Promoting lasting weight loss among older adults is an important public health challenge. Participation in physical activity aids in weight loss and is important for the maintenance of physical function and quality of life. However, traditional intensive lifestyle interventions place a focus on disc...

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Bibliographic Details
Published in:Contemporary clinical trials 2018-09, Vol.72, p.35-42
Main Authors: Fanning, J., Opina, M.T., Leng, I., Lyles, M.F., Nicklas, B.J., Rejeski, W.J.
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Body Weight Maintenance
Exercise
Humans
mhealth
Obesity - prevention & control
Obesity - therapy
Older adults
Physical activity
Physical Functional Performance
Power, Psychological
Randomized Controlled Trials as Topic
Sedentary Behavior
Technology
Telemedicine
Weight loss
Weight Reduction Programs - methods
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Summary:Promoting lasting weight loss among older adults is an important public health challenge. Participation in physical activity aids in weight loss and is important for the maintenance of physical function and quality of life. However, traditional intensive lifestyle interventions place a focus on discrete bouts of structured activity, leaving much of the remainder of the day for sedentary behavior. Structured exercise and weight loss programs often produce short-term weight loss that is typically followed by weight regain, and older adults are more likely to regain weight as fat mass rather than lean mass. Preliminary evidence suggests a focus on day-long movement intended to minimize time spent sitting produces better short-term weight loss and weight maintenance. Herein we describe the design and methods for a three-arm randomized controlled trial comparing mHealth-supported weight loss (WL) + structured exercise (EX); WL + a novel daily movement intervention (SitLess); and WL + EX + SitLess. Older adults (N = 180) will be randomly assigned to one of the three interventions, each comprised of a 6-month intensive phase; a 3-month transition phase; and a 9-month maintenance phase. The primary aim of the study is to determine whether the addition of SitLess to a traditional intensive lifestyle intervention comprised of dietary weight loss and structured exercise produces a larger 18-month reduction in body weight relative to WL + EX and WL + SitLess.
ISSN:1551-7144
1559-2030
DOI:10.1016/j.cct.2018.07.010