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Int J Sports Med. 1997 Jul;18 Suppl 3:S208-15.

Leisure time physical activity and the 16-year risks of mortality from coronary heart disease and all-causes in the Multiple Risk Factor Intervention Trial (MRFIT).

Author information

1
Division of Kinesiology, College of Education and Human Development, University of Minnesota, Minneapolis 55455, U.S.A. leonx002@tc.umn.edu

Abstract

PURPOSE:

To examine the long-term association of leisure time physical activity (LTPA) and risk of death from coronary heart disease (CHD) and all-causes.

METHODS:

Data are from a prospective study of 12,138 middle-aged men at high risk for CHD participating in the MRFIT. Men were classified into deciles based on average min/d of LTPA reported at baseline, which were compared with cumulative CHD and all-cause mortality endpoints at the 16-year follow-up.

RESULTS:

Men in the least-active decile of LTPA who averaged 4.9 min/d of LTPA (range 0 to .9 min/d) had excess age-adjusted mortality rates of 29% and 22% for CHD and all-causes, respectively, as compared to those in combined deciles 2 to 4, who averaged 22.7 min/d of predominantly light and moderate LTPA (range 10-36 min/d). No further decrement in mortality rates was noted in those in the higher declines of LTPA. These associations remained significant (P < 0.05) after proportional hazards adjustments for additional possible confounding variables.

CONCLUSION:

These data suggest that a relatively small amount (10 to 36 min/d) of daily moderate intensity LTPA can significantly reduce premature mortality, particularly from CHD, in middle-aged and older men at high risk for CHD.

PMID:
9272851
DOI:
10.1055/s-2007-972717
[Indexed for MEDLINE]

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