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Physical Activity and Survival among Long-term Cancer Survivor and Non-Cancer Cohorts

Physical Activity and Survival among Long-term Cancer Survivor and Non-Cancer Cohorts


Title: Physical Activity and Survival among Long-term Cancer Survivor and Non-Cancer Cohorts
Author: Gunnell, Anthony S.
Joyce, Sarah
Tomlin, Stephania
Taaffe, Dennis R.
Cormie, Prue
Newton, Robert U.
Joseph, David
Spry, Nigel
Einarsdóttir, Kristjana
Galvão, Daniel A.
Date: 2017-02-14
Language: English
Scope: 19
University/Institute: Háskóli Íslands
University of Iceland
School: Heilbrigðisvísindasvið (HÍ)
School of Health Sciences (UI)
Department: Miðstöð í lýðheilsuvísindum (HÍ)
The Centre of Public Health Sciences (UI)
Series: Frontiers in Public Health;5
ISSN: 2296-2565
DOI: 10.3389/fpubh.2017.00019
Subject: Physical activity; Cancer; Survival; Longitudinal; Cohort study; Hreyfing (heilsurækt); Krabbamein; Lífslíkur; Langtímarannsóknir
URI: https://hdl.handle.net/20.500.11815/419

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Citation:

Gunnell, A. S., Joyce, S., Tomlin, S., Taaffe, D. R., Cormie, P., Newton, R. U., . . . Galvão, D. A. (2017). Physical Activity and Survival among Long-term Cancer Survivor and Non-Cancer Cohorts. Frontiers in Public Health, 5, 19. doi:10.3389/fpubh.2017.00019

Abstract:

Evidence suggests physical activity improves prognosis following cancer diagnosis; however, evidence regarding prognosis in long-term survivors of cancer is scarce. We assessed physical activity in 1,589 cancer survivors at an average 8.8 years following their initial diagnosis and calculated their future mortality risk following physical activity assessment. We also selected a cancer-free cohort of 3,145 age, sex, and survey year group-matched cancer-free individuals from the same source population for comparison purposes. Risks for cancer-specific mortality and all-cause mortality in relation to physical activity levels were estimated using Cox regression proportional hazard regression analyses within the cancer and non-cancer cohorts. Physical activity levels of 360+ min per week were inversely associated with cancer-specific mortality in long-term cancer survivors [hazard ratios (HR) = 0.30 (95% confidence intervals (CI) 0.13–0.70)] and participants without prior cancer [HR = 0.16 (95% CI 0.05–0.56)] compared with no reported physical activity. Physical activity levels of 150–359 and 360+ min were inversely associated with all-cause mortality in long-term cancer survivors [150–359 min; HR = 0.55 (95% CI 0.31–0.97), 360+ min; HR = 0.41 (95% CI 0.21–0.79)] and those without prior cancer [150–359 min; HR = 0.52 (95% CI 0.32–0.86), 360+ min; HR = 0.50 (95% CI 0.29–0.88)]. These results suggest that meeting exercise guidelines of 150 min of physical activity per week were associated with reduced all-cause mortality in both long-term cancer surviving and cancer-free cohorts. Exceeding exercise oncology guidelines (360+ min per week) may provide additional protection in terms of cancer-specific death.

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Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/)

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