Pounds Off Digitally Study
Open accessAbstract
Background 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; p<0.001 between groups) and BMI (-1.0+/-1.2 kg/m(2) enhanced group vs -0.1+/-0.7 kg/m(2) control group; p<0.001 between groups) than the control group (n=37) and had greater weight-loss-related knowledge (p<0.05), elaboration (p<0.001), and user control (p<0.001) and less cognitive load (p<0.001).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.
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In that 3-month trial, 78 participants were randomly assigned to receive a podcast designed based on social cognitive theory (enhanced) or a popular weight-loss podcast (control) available online.
“In that 3-month trial, 78 participants were randomly assigned to receive a podcast designed based on social cognitive theory [20] (enhanced) or a popular weight-loss podcast (control) available online.”
From Tweets, Apps, and Pods: Results of the 6-Month Mobile Pounds Off Digitally (Mobile POD) Randomized Weight-Loss Intervention Among Adults (2011) · cites this paper as [19]
Weight losses were significantly greater in the enhanced podcast group (mean -2.9, SD 3.5 kg) than in the controls (mean -0.3, SD 2.1 kg; P < .001 between groups).
“Weight losses were significantly greater in the enhanced podcast group (mean –2.9, SD 3.5 kg) than in the controls (mean –0.3, SD 2.1 kg; P < .001 between groups).”
From Tweets, Apps, and Pods: Results of the 6-Month Mobile Pounds Off Digitally (Mobile POD) Randomized Weight-Loss Intervention Among Adults (2011) · cites this paper as [19]
Our previous work demonstrated that a short-term behavioral weight-loss intervention could be successfully delivered via podcast.
“Our previous work demonstrated that a short-term behavioral weight-loss intervention could be successfully delivered via podcast [19].”
From Tweets, Apps, and Pods: Results of the 6-Month Mobile Pounds Off Digitally (Mobile POD) Randomized Weight-Loss Intervention Among Adults (2011) · cites this paper as [19]
Our prior podcasting study showed greater elaboration and user control among the enhanced theory-based podcast at 3 months than among the control podcast.
“Our prior podcasting study showed greater elaboration and user control among the enhanced theory-based podcast at 3 months than among the control podcast [19].”
From Tweets, Apps, and Pods: Results of the 6-Month Mobile Pounds Off Digitally (Mobile POD) Randomized Weight-Loss Intervention Among Adults (2011) · cites this paper as [19]
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- Authors
- Turner-McGrievy, G. M., Campbell, M. K., Tate, D. F., Truesdale, K. P., Bowling, J. M., & Crosby, L.
- Affiliations
- University of North Carolina at Chapel Hill (US)
- Venue
- American Journal of Preventive Medicine
- Publisher
- Elsevier BV
- Published
- 2009-10
- Volume
- 37
- Issue
- 4
- Pages
- 263-269
- ISSN
- 0749-3797 (ISSN-L)
- PMC
- PMC2892173
- OpenAlex
- W160509993
- Cited by
- 112
- References
- 27
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 5 · 2023: 3 · 2022: 4 · 2021: 11 · 2020: 7 · 2019: 5 · 2018: 6 · 2017: 9 · 2016: 11 · 2015: 8 · 2014: 9 · 2013: 10 · 2012: 9
- FWCI
- 17.46
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- American Journal of Preventive Medicine (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health (DK-056350)
- National Cancer Institute (R25CA057726)
- National Institute of Diabetes and Digestive and Kidney Diseases (DK-056350, P30DK056350)
- Topics
- Health Sciences › Health Professions › Pharmacy › Obesity and Health Practices
- Social Sciences › Arts and Humanities › Literature and Literary Theory › Media Influence and Health
- Health Sciences › Health Professions › General Health Professions › Mobile Health and mHealth Applications
- Keywords
- weight loss, podcasts, digital health interventions, social cognitive theory, overweight adults, body mass index, user control, cognitive load, dietary intake, physical activity
- MeSH terms
- Adult, Communications Media, Diet, Reducing, Female, Humans, Health Knowledge, Attitudes, Practice, Male, Obesity, Patient Education as Topic, Weight Loss, Cognitive Behavioral Therapy, Body Mass Index, Treatment Outcome, Self Efficacy, Internet, Information Dissemination, Computers, Handheld, Overweight
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