Predictors of Adherence to Different Volumes of Exercise in the Breast Cancer and Exercise Trial in Alberta

Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine
Chelsea R StoneKerry S Courneya

Abstract

Exercise demonstrates a dose-response effect on many health outcomes; however, adhering to higher doses of exercise can be challenging, and the predictors of adherence may differ based on exercise volume. To examine the predictors of adherence to two different volumes of aerobic exercise within the Breast Cancer and Exercise Trial in Alberta (BETA). In BETA, we randomized 400 inactive but healthy postmenopausal women to either a moderate volume (150 min/week) or a high volume (300 min/week) of aerobic exercise for 1 year. We collected data on several predictors of exercise adherence at baseline and used linear and mixed-effect models to determine predictors of exercise adherence to exercise volume and overall. Adherence was higher in the moderate-volume group (84.5%) compared with the high-volume group (75.2%; p < .001). There were no statistically significant interactions between predictors of exercise adherence and exercise volume. Overall, we found that exercise adherence was predicted by randomization group, body mass index (BMI), employment status, and physical health. Adherence was 8.6% lower in the high-volume versus moderate-volume group, 6.7% lower for women working full time versus not, 0.8% lower per BMI increase of ...Continue Reading

Associated Clinical Trials

Sep 15, 2011·Christine Friedenreich

References

Jul 6, 2001·International Journal of Obesity and Related Metabolic Disorders : Journal of the International Association for the Study of Obesity·U Evers Larsson, E Mattsson
Mar 10, 2006·American Journal of Epidemiology·Christine M FriedenreichRachel Ballard-Barbash
Mar 29, 2006·CMAJ : Canadian Medical Association Journal = Journal De L'Association Medicale Canadienne·Darren E R WarburtonShannon S D Bredin
Mar 19, 2008·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Kerry S CourneyaRoanne J Segal
May 8, 2008·Medicine and Science in Sports and Exercise·Kerry S CourneyaDonald C McKenzie
Jun 27, 2008·Journal of Physical Activity & Health·Seung-Youn HongThomas Prohaska
Feb 18, 2010·Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology·Christine M FriedenreichKerry S Courneya
Aug 13, 2010·Western Journal of Nursing Research·Rita McGuireLani Zimmerman
Feb 8, 2011·Journal of Physical Activity & Health·Amanda J VisekLoretta DiPietro
Jun 18, 2011·Medicine and Science in Sports and Exercise·Barbara E AinsworthArthur S Leon
Sep 29, 2011·Journal of Physical Activity & Health·Kerry S CourneyaChristine M Friedenreich
Jul 7, 2014·The International Journal of Behavioral Nutrition and Physical Activity·Kerry S CourneyaDonald C McKenzie
Dec 7, 2014·BMC Cancer·Christine M FriedenreichKerry S Courneya
Sep 5, 2015·Endocrine-related Cancer·Christine M FriedenreichKerry S Courneya
Oct 26, 2016·Menopause : the Journal of the North American Menopause Society·Heather K NeilsonChristine M Friedenreich
Nov 12, 2016·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Kerry S CourneyaChristine M Friedenreich
Jul 19, 2017·European Review of Aging and Physical Activity : Official Journal of the European Group for Research Into Elderly and Physical Activity·Darren R BrennerChristine M Friedenreich

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Citations

Mar 23, 2018·The International Journal of Behavioral Nutrition and Physical Activity·Jessica McNeilChristine M Friedenreich
Apr 30, 2019·Scandinavian Journal of Medicine & Science in Sports·Paola Gonzalo-EncaboChristine M Friedenreich
Mar 24, 2021·Journal of Cancer Survivorship : Research and Practice·Jessica McNeilChristine M Friedenreich

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