Relationship over time between psychological distress and physical activity in colorectal cancer survivors
Chambers, Suzanne K., Lynch, Brigid M., Aitken, Joanne, & Baade, Peter D. (2009) Relationship over time between psychological distress and physical activity in colorectal cancer survivors. Journal of Clinical Oncology, 27(10), pp. 1600-1606.
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Increased physical activity in colorectal cancer patients is related to improved recurrence free and overall survival. Psychological distress after cancer may place patients at risk of reduced physical activity; but paradoxically also act as a motivator for positive lifestyle change. The relationship between psychological distress and physical activity after cancer over time has not been described.
A prospective survey of 1966 (57% response) colorectal cancer survivors assessed the psychological distress variables of anxiety, depression, somatisation, cancer threat appraisal as predictors of physical activity five, 12, 24 and 36 months post-diagnosis 978 respondents had valid data for all time points.
Higher somatisation was associated with greater physical inactivity (Relative risk ratio (RRR) =1.12; 95% CI=[1.1, 1.2]) and insufficient physical activity (RRR=1.05; [0.90, 1.0]). Respondents with a more positive appraisal of their cancer were significantly (p=0.031) less likely to be inactive (RRR=0.95; [0.90, 1.0]) or insufficiently active (RRR=0.96). Fatigued and obese respondents and current smokers were more inactive. Respondents whose somatisation increased between two time periods were less likely to increase their physical activity over the same period (p<0.001). Respondents with higher anxiety at one time period were less likely to have increased their activity at the next assessment (p=0.004). There was no association between depression and physical activity.
Cancer survivors who experience somatisation and anxiety are at greater risk of physical inactivity. The lack of a clear relationship between higher psychological distress and increasing physical activity argues against distress as a motivator to exercise in these patients.
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|Item Type:||Journal Article|
|Keywords:||Colorectal Cancer, Distress, Physical Activity, Survivors|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Epidemiology (111706)|
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > ONCOLOGY AND CARCINOGENESIS (111200) > Cancer Diagnosis (111202)
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Schools > School of Public Health & Social Work
|Copyright Owner:||Copyright 2009 American Society of Clinical Oncology|
|Deposited On:||22 Jan 2010 09:45|
|Last Modified:||29 Feb 2012 23:59|
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