Browsing by Author "Tate, Deborah F"
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- ItemAre we sure that Mobile Health is really mobile? An examination of mobile device use during two remotely-delivered weight loss interventions.(2014-04-04) Turner-McGrievy, Gabrielle M; Tate, Deborah FThe m in mHealth is often thought of as the ability to receive health information and monitor behaviors on the go Little is known about how people actually use mobile vs traditional access methods and if access method affects engagement and health outcomes
- ItemComparison of traditional versus mobile app self-monitoring of physical activity and dietary intake among overweight adults participating in an mHealth weight loss program.(2013-04-12) Turner-McGrievy, Gabrielle M; Beets, Michael W; Moore, Justin B; Kaczynski, Andrew T; Barr-Anderson, Daheia J; Tate, Deborah FOBJECTIVE Self monitoring of physical activity PA and diet are key components of behavioral weight loss programs The purpose of this study was to assess the relationship between diet mobile app website or paper journal and PA mobile app vs no mobile app self monitoring and dietary and PA behaviors MATERIALS AND METHODS This study is a post hoc analysis of a 6 month randomized weight loss trial among 96 overweight men and women body mass index BMI 25 45 kg m 2 conducted from 2010 to 2011 Participants in both randomized groups were collapsed and categorized by their chosen self monitoring method for diet and PA All participants received a behavioral weight loss intervention delivered via podcast and were encouraged to self monitor dietary intake and PA RESULTS Adjusting for randomized group and demographics PA app users self monitored exercise more frequently over the 6 month study 2 6 0 5 days week and reported greater intentional PA 196 4 45 9 kcal day than non app users 1 2 0 5 days week PA self monitoring pUnder0 01 100 9 45 1 kcal day intentional PA p 0 02 PA app users also had a significantly lower BMI at 6 months 31 5 0 5 kg m 2 than non users 32 5 0 5 kg m 2 p 0 02 Frequency of self monitoring did not differ by diet self monitoring method p 0 63 however app users consumed less energy 1437 188 kcal day than paper journal users 2049 175 kcal day p 0 01 at 6 months BMI did not differ among the three diet monitoring methods p 0 20 CONCLUSIONS These findings point to potential benefits of mobile monitoring methods during behavioral weight loss trials Future studies should examine ways to predict which self monitoring method works best for an individual to increase adherence
- ItemPounds Off Digitally study: a randomized podcasting weight-loss intervention.(2009-09-21) Turner-McGrievy, Gabrielle M; Campbell, Marci K; Tate, Deborah F; Truesdale, Kimberly P; Bowling, J Michael; Crosby, LeliaBACKGROUND As obesity rates rise new weight loss methods are needed Little is known about the use of podcasting audio files for a portable music player or computer to promote weight loss despite its growing popularity DESIGN A 12 week RCT was conducted SETTING PARTICIPANTS The study sample comprised overweight men and women BMI 25 40 kg m 2 n 78 in the Raleigh Durham NC area INTERVENTION In 2008 participants were randomly assigned to receive 24 episodes of a currently available weight loss podcast control podcast or a weight loss podcast based on social cognitive theory SCT designed by the researchers enhanced podcast for 12 weeks MAIN OUTCOME MEASURES Weight was measured on a digital scale at baseline and follow up Both groups also completed questionnaires assessing demographic information food intake physical activity and SCT constructs at the introductory and 12 week meetings Additional questionnaires at the 12 week meeting assessed perceptions of the intervention RESULTS Data collection and analysis occurred in 2008 and intention to treat was used Enhanced group participants n 41 had a greater decrease in weight 2 9 3 5 kg enhanced group vs 0 3 2 1 control group pUnder0 001 between groups and BMI 1 0 1 2 kg m 2 enhanced group vs 0 1 0 7 kg m 2 control group pUnder0 001 between groups than the control group n 37 and had greater weight loss related knowledge pUnder0 05 elaboration pUnder0 001 and user control pUnder0 001 and less cognitive load pUnder0 001 CONCLUSIONS The results of this study suggest that the use of behavioral theory based podcasting may be an effective way to promote weight loss TRIAL REGISTRATION NCT00771095
- ItemWeight loss social support in 140 characters or less: use of an online social network in a remotely delivered weight loss intervention.(2013-09-27) Turner-McGrievy, Gabrielle M; Tate, Deborah FLittle is known about how online social networking can help enhance weight loss To examine the types of online social support utilized in a behavioral weight loss intervention and relationship of posting and weight loss A sub analysis of the content and number of posts to Twitter among participants n 47 randomized to a mobile social network arm as part of a 6 month trial among overweight adults examining weight loss use of Twitter and type of social support informational tangible assistance esteem network and emotional support A number of Twitter posts were related to weight loss at 6 months p Under 0 001 Initial reported weight loss predicted engagement with Twitter p Under 0 01 but prior Twitter use or initial Twitter engagement did not Most Twitter posts total posts n 2 630 were Informational support n 1 981 75 with the predominant subtype of Teaching n 1 632 62 mainly in the form of a status update n 1 319 Engagement with Twitter was related to weight loss and participants mainly used Twitter to provide Information support to one another through status updates