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Pounds Off Digitally Study: A Randomized Podcasting Weight Loss Intervention

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Pounds Off Digitally Study: A Randomized Podcasting Weight Loss Intervention

Auteurs : Gabrielle M. Turner-Mcgrievy ; Marci K. Campbell ; Deborah F. Tate ; Kimberly P. Truesdale ; J. Michael Bowling ; Lelia Crosby

Source :

American journal of preventive medicine [ 0749-3797 ] ; 2009.

RBID : PMC:2892173

Abstract

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 randomized controlled trial.

Setting/Participants

Overweight men and women (body mass index, 25–40 kg/m²) (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/m² enhanced group vs −0.1 ± 0.7 kg/m² 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.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2892173

DOI: 10.1016/j.amepre.2009.06.010
PubMed: 19765496
PubMed Central: 2892173

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Le document en format XML

<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Pounds Off Digitally Study: A Randomized Podcasting Weight Loss Intervention</title>
<author><name sortKey="Turner Mcgrievy, Gabrielle M" sort="Turner Mcgrievy, Gabrielle M" uniqKey="Turner Mcgrievy G" first="Gabrielle M." last="Turner-Mcgrievy">Gabrielle M. Turner-Mcgrievy</name>
</author>
<author><name sortKey="Campbell, Marci K" sort="Campbell, Marci K" uniqKey="Campbell M" first="Marci K." last="Campbell">Marci K. Campbell</name>
</author>
<author><name sortKey="Tate, Deborah F" sort="Tate, Deborah F" uniqKey="Tate D" first="Deborah F." last="Tate">Deborah F. Tate</name>
</author>
<author><name sortKey="Truesdale, Kimberly P" sort="Truesdale, Kimberly P" uniqKey="Truesdale K" first="Kimberly P." last="Truesdale">Kimberly P. Truesdale</name>
</author>
<author><name sortKey="Bowling, J Michael" sort="Bowling, J Michael" uniqKey="Bowling J" first="J. Michael" last="Bowling">J. Michael Bowling</name>
</author>
<author><name sortKey="Crosby, Lelia" sort="Crosby, Lelia" uniqKey="Crosby L" first="Lelia" last="Crosby">Lelia Crosby</name>
</author>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Pounds Off Digitally Study: A Randomized Podcasting Weight Loss Intervention</title>
<author><name sortKey="Turner Mcgrievy, Gabrielle M" sort="Turner Mcgrievy, Gabrielle M" uniqKey="Turner Mcgrievy G" first="Gabrielle M." last="Turner-Mcgrievy">Gabrielle M. Turner-Mcgrievy</name>
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<author><name sortKey="Campbell, Marci K" sort="Campbell, Marci K" uniqKey="Campbell M" first="Marci K." last="Campbell">Marci K. Campbell</name>
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<author><name sortKey="Tate, Deborah F" sort="Tate, Deborah F" uniqKey="Tate D" first="Deborah F." last="Tate">Deborah F. Tate</name>
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<author><name sortKey="Truesdale, Kimberly P" sort="Truesdale, Kimberly P" uniqKey="Truesdale K" first="Kimberly P." last="Truesdale">Kimberly P. Truesdale</name>
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<author><name sortKey="Bowling, J Michael" sort="Bowling, J Michael" uniqKey="Bowling J" first="J. Michael" last="Bowling">J. Michael Bowling</name>
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<author><name sortKey="Crosby, Lelia" sort="Crosby, Lelia" uniqKey="Crosby L" first="Lelia" last="Crosby">Lelia Crosby</name>
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<series><title level="j">American journal of preventive medicine</title>
<idno type="ISSN">0749-3797</idno>
<idno type="e-ISSN">1873-2607</idno>
<imprint><date when="2009">2009</date>
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Background</title>
<p id="P1">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.</p>
</sec>
<sec id="S2"><title>Design</title>
<p id="P2">A 12-week randomized controlled trial.</p>
</sec>
<sec id="S3"><title>Setting/Participants</title>
<p id="P3">Overweight men and women (body mass index, 25–40 kg/m<sup>2</sup>
) (<italic>n</italic>
=78) in the Raleigh–Durham, NC area.</p>
</sec>
<sec id="S4"><title>Intervention</title>
<p id="P4">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.</p>
</sec>
<sec id="S5"><title>Main outcome measures</title>
<p id="P5">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.</p>
</sec>
<sec id="S6"><title>Results</title>
<p id="P6">Data collection and analysis occurred in 2008 and intention-to-treat was used. Enhanced group participants (<italic>n</italic>
=41) had a greater decrease in weight (−2.9 ± 3.5 kg enhanced group vs −0.3 ± 2.1 control group; <italic>P</italic>
 < 0.001 between groups) and BMI (−1.0 ± 1.2 kg/m<sup>2</sup>
 enhanced group vs −0.1 ± 0.7 kg/m<sup>2</sup>
 control group; <italic>P</italic>
 < 0.001 between groups) than the control group (<italic>n</italic>
=37) and had greater weight loss–related knowledge (<italic>P</italic>
 < 0.05), elaboration (<italic>P</italic>
 < 0.001), and user control (<italic>P</italic>
 < 0.001) and less cognitive load (<italic>P</italic>
 < 0.001).</p>
</sec>
<sec id="S7"><title>Conclusions</title>
<p id="P7">The results of this study suggest that the use of behavioral, theory-based podcasting may be an effective way to promote weight loss.</p>
</sec>
</div>
</front>
</TEI>
<pmc article-type="research-article" xml:lang="EN"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <pmc-dir>properties manuscript</pmc-dir>
  <front><journal-meta><journal-id journal-id-type="nlm-journal-id">8704773</journal-id>
<journal-id journal-id-type="pubmed-jr-id">1656</journal-id>
<journal-id journal-id-type="nlm-ta">Am J Prev Med</journal-id>
<journal-title>American journal of preventive medicine</journal-title>
<issn pub-type="ppub">0749-3797</issn>
<issn pub-type="epub">1873-2607</issn>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">19765496</article-id>
<article-id pub-id-type="pmc">2892173</article-id>
<article-id pub-id-type="doi">10.1016/j.amepre.2009.06.010</article-id>
<article-id pub-id-type="manuscript">NIHMS191426</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Pounds Off Digitally Study: A Randomized Podcasting Weight Loss Intervention</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Turner-McGrievy</surname>
<given-names>Gabrielle M.</given-names>
</name>
<degrees>PhD, RD</degrees>
<aff id="A1">Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina</aff>
</contrib>
<contrib contrib-type="author"><name><surname>Campbell</surname>
<given-names>Marci K.</given-names>
</name>
<degrees>PhD, RD</degrees>
<aff id="A2">Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina</aff>
</contrib>
<contrib contrib-type="author"><name><surname>Tate</surname>
<given-names>Deborah F.</given-names>
</name>
<degrees>PhD</degrees>
<aff id="A3">Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Department of Health Behavior and Health Education, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina</aff>
</contrib>
<contrib contrib-type="author"><name><surname>Truesdale</surname>
<given-names>Kimberly P.</given-names>
</name>
<degrees>PhD</degrees>
<aff id="A4">Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina</aff>
</contrib>
<contrib contrib-type="author"><name><surname>Bowling</surname>
<given-names>J. Michael</given-names>
</name>
<degrees>PhD</degrees>
<aff id="A5">Department of Health Behavior and Health Education, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina</aff>
</contrib>
<contrib contrib-type="author"><name><surname>Crosby</surname>
<given-names>Lelia</given-names>
</name>
<degrees>BA</degrees>
<aff id="A6">Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina</aff>
</contrib>
</contrib-group>
<author-notes><corresp id="FN1">Address correspondence and reprint request to: Gabrielle M. Turner-McGrievy, University of North Carolina at Chapel Hill, 2217 McGavran-Greenberg Hall, Campus Box #7461, Chapel Hill, NC 27599-7461. <email>brie@unc.edu</email>
</corresp>
</author-notes>
<pub-date pub-type="nihms-submitted"><day>7</day>
<month>4</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="ppub"><month>10</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>1</day>
<month>10</month>
<year>2010</year>
</pub-date>
<volume>37</volume>
<issue>4</issue>
<fpage>263</fpage>
<lpage>269</lpage>
<related-article journal-id-type="nlm-ta" journal-id="Am J Prev Med" related-article-type="commentary" page="377" id="N0x20c3bb0N0x2b8caa0" xlink:href="19765512" ext-link-type="pubmed" vol="37"></related-article>
<abstract><sec id="S1"><title>Background</title>
<p id="P1">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.</p>
</sec>
<sec id="S2"><title>Design</title>
<p id="P2">A 12-week randomized controlled trial.</p>
</sec>
<sec id="S3"><title>Setting/Participants</title>
<p id="P3">Overweight men and women (body mass index, 25–40 kg/m<sup>2</sup>
) (<italic>n</italic>
=78) in the Raleigh–Durham, NC area.</p>
</sec>
<sec id="S4"><title>Intervention</title>
<p id="P4">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.</p>
</sec>
<sec id="S5"><title>Main outcome measures</title>
<p id="P5">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.</p>
</sec>
<sec id="S6"><title>Results</title>
<p id="P6">Data collection and analysis occurred in 2008 and intention-to-treat was used. Enhanced group participants (<italic>n</italic>
=41) had a greater decrease in weight (−2.9 ± 3.5 kg enhanced group vs −0.3 ± 2.1 control group; <italic>P</italic>
 < 0.001 between groups) and BMI (−1.0 ± 1.2 kg/m<sup>2</sup>
 enhanced group vs −0.1 ± 0.7 kg/m<sup>2</sup>
 control group; <italic>P</italic>
 < 0.001 between groups) than the control group (<italic>n</italic>
=37) and had greater weight loss–related knowledge (<italic>P</italic>
 < 0.05), elaboration (<italic>P</italic>
 < 0.001), and user control (<italic>P</italic>
 < 0.001) and less cognitive load (<italic>P</italic>
 < 0.001).</p>
</sec>
<sec id="S7"><title>Conclusions</title>
<p id="P7">The results of this study suggest that the use of behavioral, theory-based podcasting may be an effective way to promote weight loss.</p>
</sec>
</abstract>
<contract-num rid="CA1">R25 CA057726-17
				||CA</contract-num>
<contract-sponsor id="CA1">National Cancer Institute : NCI</contract-sponsor>
</article-meta>
</front>
</pmc>
<affiliations><list></list>
<tree><noCountry><name sortKey="Bowling, J Michael" sort="Bowling, J Michael" uniqKey="Bowling J" first="J. Michael" last="Bowling">J. Michael Bowling</name>
<name sortKey="Campbell, Marci K" sort="Campbell, Marci K" uniqKey="Campbell M" first="Marci K." last="Campbell">Marci K. Campbell</name>
<name sortKey="Crosby, Lelia" sort="Crosby, Lelia" uniqKey="Crosby L" first="Lelia" last="Crosby">Lelia Crosby</name>
<name sortKey="Tate, Deborah F" sort="Tate, Deborah F" uniqKey="Tate D" first="Deborah F." last="Tate">Deborah F. Tate</name>
<name sortKey="Truesdale, Kimberly P" sort="Truesdale, Kimberly P" uniqKey="Truesdale K" first="Kimberly P." last="Truesdale">Kimberly P. Truesdale</name>
<name sortKey="Turner Mcgrievy, Gabrielle M" sort="Turner Mcgrievy, Gabrielle M" uniqKey="Turner Mcgrievy G" first="Gabrielle M." last="Turner-Mcgrievy">Gabrielle M. Turner-Mcgrievy</name>
</noCountry>
</tree>
</affiliations>
</record>

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Pounds Off Digitally Study: A Randomized Podcasting Weight Loss Intervention

Pounds Off Digitally Study: A Randomized Podcasting Weight Loss Intervention

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Abstract

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