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Integrating technology into standard weight loss treatment: A randomized controlled trial

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 standard and connective mobile technology system (+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 physician-directed weight loss treatment.

Full article
Spring, Bonnie; Duncan, Jennifer M.; Janke, E. Amy; Kozak, Andrea T.; McFadden, H. Gene; DeMott, Andrew; Pictor, Alex; Epstein, Leonard H.; Siddique, Juned; Pellegrini, Christine A.; Buscemi, Joanna; Hedeker, Donald, Archives of Internal Medicine, Online first, 1–7, DOI: 10.1001/jamainternmed.2013.1221

More bibliographic information.

13 December 2012 | Categories: Science | Country: United States | Tag(s): mHealth, Monitoring, Obesity
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