A Retrospective Study of Physical Activity and Coronary Deaths

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Abstract
For a series of 588 married white men aged 30–70 years who died from coronary heart disease, (CHD), and a matched sample of living neighbourhood controls, information was collected on a large number of variables, includIng physical actMty, (PA), classified according to the Health Insurance Plan Study criteria. Increased leisure PA was associated with a decreased risk of coronary death (p< ·001) but there was no association between job activity and coronary deaths. Step-up multiple regression, based on within-pair differences, was used to control for the possible confounding effects of all variables studied. Even when these variables ware controlled for there was still a significant association between Increased leisure PA end decreased risk of death due to CHD (p< ·001). These data are consistent with the hypothesis that increased leisure PA can contribute to the prevention of death from CHD.

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