Level of physical activity and characteristics associated with change following breast cancer diagnosis and treatment
Harrison, Sheree, Hayes, Sandra C., & Newman, Beth M. (2009) Level of physical activity and characteristics associated with change following breast cancer diagnosis and treatment. Psycho-Oncology, 18(4), pp. 387-394.
Objective: While the physical and psychosocial benefits of participating in physical activity
(PA) during and following breast cancer treatment are well understood, less is known about
rates and uptake of PA following diagnosis. This paper explores the levels and patterns of PA
among women recently diagnosed with breast cancer and the factors associated with change in
Methods: Using a population-based recruitment approach, PA levels of 287 breast cancer
patients were assessed at 6, 12 and 18 months post-diagnosis using the Behavioral Risk Factor
Surveillance System, and then converted to MET (metabolic equivalent task)-hours/week.
Regression analyses were used to explore the correlates associated with change between 6 and
18 months post-diagnosis.
Results: Although more than 80% of women participated in PA at each testing phases,
more than 50% were considered insufficiently active or sedentary according to national
recommendations and less than one-third reported engagement in vigorous or strength
activities. Mean change in total MET-hours/week between 6 and 18 months post-diagnosis was
minor (mean50.10, median50.0), however individual changes were substantial (ranging from
100 to +174 MET-hours/week). Results are more encouraging for the lower threshold of 3+
MET-hours/week, which may be most relevant specifically for breast cancer outcomes.
Conclusions: Since the majority of women report insufficient levels of PA, there is a clear
need for exercise interventions during and following breast cancer treatment. Few
characteristics predict declines or improvements in PA levels, hence for optimal benefit,
interventions should target the entire breast cancer population.
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|Item Type:||Journal Article|
|Keywords:||breast cancer, oncology, physical activity, correlates, behavior change|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Public Health & Social Work
|Copyright Owner:||Copyright 2009 John Wiley & Sons, Ltd.|
|Copyright Statement:||The definitive version is available on publication at www3.interscience.wiley.com|
|Deposited On:||18 Feb 2009 11:17|
|Last Modified:||29 Feb 2012 23:48|
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