Adding motivational interviewing to behavioural weight loss treatment: a randomized controlled trial

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dc.contributor.advisorvon Ranson, Kristin M.
dc.contributor.authorMoss, Erin L.
dc.date.accessioned2017-12-18T22:31:26Z
dc.date.available2017-12-18T22:31:26Z
dc.date.issued2012
dc.descriptionBibliography: p. 90-132en
dc.descriptionIncludes copy of ethics approvals. Original copies with original Partial Copyright Licence.en
dc.description.abstractObesity prevalence rates continue to rise in North America, which suggests that creating successful intervention should be forefront on the research agenda. It has been proposed that motivational interviewing (MI) may be an effective means by which to improve efficacy of current behavioural weight loss treatment. Given that MI addresses ambivalence and enhances motivation towards change it may enable individuals to commit and persist with the necessary health-related behavioural changes required for successful weight loss. The aim of this study was to assess whether incorporating MI into a behavioural weight loss program (BWLP) resulted in improvement on weight loss outcomes and related secondary outcomes (i.e., physical activity, dietary habits, blood pressure, and disordered eating) relative to an attention control group. One hundred and thirty-five (105 females, 30 males) overweight and obese participants (mean BMI = 33.58 kg/m2) were randomized to receive a 12-week BWLP plus two MI sessions, or the same BWLP pus two attention control sessions (93% retention rate). The MI or control session occurred at the beginning of the BWLP and just prior to completion of the BWLP program. Participants were assessed at baseline, end of the BWLP, I-month post BWLP, and 6-months post BWLP. Results showed that participants in both groups significantly decreased their weight and improved on indicators of physical activity, diet, and disordered eating (p < .05). However, changes in weight and related outcomes did not differ between the two study groups. Future research is needed to carefully examine the construct of motivation in weight loss studies and determine methodological factors that are most associated with improved MI outcomes.
dc.format.extentxi, 196 leaves ; 30 cm.en
dc.identifier.citationMoss, E. L. (2012). Adding motivational interviewing to behavioural weight loss treatment: a randomized controlled trial (Doctoral thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/4757en_US
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/4757
dc.identifier.urihttp://hdl.handle.net/1880/105758
dc.language.isoeng
dc.publisher.institutionUniversity of Calgaryen
dc.publisher.placeCalgaryen
dc.rightsUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.
dc.titleAdding motivational interviewing to behavioural weight loss treatment: a randomized controlled trial
dc.typedoctoral thesis
thesis.degree.disciplinePsychology
thesis.degree.grantorUniversity of Calgary
thesis.degree.nameDoctor of Philosophy (PhD)
ucalgary.item.requestcopytrue
ucalgary.thesis.accessionTheses Collection 58.002:Box 2091 627942963
ucalgary.thesis.notesUARCen
ucalgary.thesis.uarcreleaseyen
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