The impact of physical activity on all-cause mortality in men and women after a cancer diagnosis

Hamer, Mark, Stamatakis, Emmanuel and Saxton, John (2009) The impact of physical activity on all-cause mortality in men and women after a cancer diagnosis. Cancer Causes & Control, 20 (2). p. 225. ISSN 1573-7225

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Abstract

OBJECTIVE

Existing information regarding the impact of physical activity after a cancer diagnosis on all-cause mortality is limited. We examined the association between different types of physical activity (domestic, walking, sports) and mortality in 293 participants (65.5% women) with a cancer registration prior to the baseline assessment.

METHODS

Participants were drawn from the Scottish Health Surveys (1995, 1998, 2003) that were linked to a national database of cancer registrations and deaths. The main outcome was all-cause mortality during a mean follow-up period of 5.9 +/- 3.2 years. Cox proportional hazards models were used to estimate the risk of all-cause mortality by levels of physical activity.

RESULTS

There were 78 deaths during follow-up. The lowest risks for all-cause mortality were seen in sports activity groups [multivariable-adjusted hazard ratio (HR) for any compared with groups of no sports: 0.47, 95% CI 0.23-0.96, p = 0.039] although light and moderate activity such as domestic activity (HR = 1.04, 0.60-1.80) and regular walking (HR = 0.95, 0.57-1.56) did not confer protection.

CONCLUSION

Participation in an average of more than three sessions of vigorous exercise per week for at least 20 min/session was associated with the lowest risks of all-cause mortality following a cancer diagnosis. Vigorous physical activity could therefore be a more important determinant of survival than duration or total volume of exercise in cancer survivors.

Item Type:	Article
Uncontrolled Keywords:	exercise, cancer, mortality, survival, epidemiology
Subjects:	A300 Clinical Medicine C600 Sports Science
Department:	Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User:	Prof John Saxton
Date Deposited:	01 Mar 2016 11:51
Last Modified:	12 Oct 2019 15:29
URI:	http://nrl.northumbria.ac.uk/id/eprint/26228

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