期刊
JAMA INTERNAL MEDICINE
卷 173, 期 2, 页码 105-111出版社
AMER MEDICAL ASSOC
DOI: 10.1001/jamainternmed.2013.1221
关键词
-
资金
- VA Merit Review Rehabilitation Research and Development-funded study at Hines VA Medical Center [F442291]
- Hines
- Illinois
- National Heart, Lung, and Blood Institute [HL075451]
Background: A challenge in intensive obesity treatment is making care scalable. Little is known about whether the outcome of physician-directed weight loss treatment can be improved by adding mobile technology. Methods: We conducted a 2-arm, 12-month study (October 1, 2007, through September 31, 2010). Seventy adults (body mass index >25 and <= 40 [calculated as weight in kilograms divided by height in meters squared]) were randomly assigned either to standard-of-care group treatment alone (standard group) or to the standardand connective mobile technology system (1 mobile group). Participants attended biweekly weight loss groups held by the Veterans Affairs outpatient clinic. The + mobile group was provided personal digital assistants to self-monitor diet and physical activity; they also received biweekly coaching calls for 6 months. Weight was measured at baseline and at 3-, 6-, 9-, and 12-month follow-up. Results: Sixty-nine adults received intervention (mean age, 57.7 years; 85.5% were men). A longitudinal intent-to-treat analysis indicated that the + mobile group lost a mean of 3.9 kg more (representing 3.1% more weight loss relative to the control group; 95% CI, 2.2-5.5 kg) than the standard group at each postbaseline time point. Compared with the standard group, the + mobile group had significantly greater odds of having lost 5% or more of their baseline weight at each postbaseline time point (odds ratio, 6.5; 95% CI, 2.5-18.6). Conclusions: The addition of a personal digital assistant and telephone coaching can enhance short-term weight loss in combination with an existing system of care. Mobile connective technology holds promise as a scalable mechanism for augmenting the effect of physiciandirected weight loss treatment. Trial Registration: clinicaltrials. gov Identifier: NCT00371462 JAMA Intern Med. 2013;173(2):105-111. Published online December 10, 2012. doi:10.1001/jamainternmed.2013.1221
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