Why the study?
Is frequency of leisure time exercise associated with cardiovascular risk factors in 15-year-olds?
Population
1142 boys and girls aged 15 from 40 schools in eastern Finland (North Karelia and Kuopio provinces)
Design
Cross-sectional
Authors
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Caution against expecting lipid or BP benefits from leisure exercise in teens; leaves open causal role in smoking prevention.
Is frequency of leisure time exercise associated with cardiovascular risk factors in 15-year-olds?
In 15-year-olds, leisure time exercise is associated with lower rates of daily smoking but not with differences in cholesterol or blood pressure, possibly due to high baseline activity levels.
Marti et al. (1989) studied this question.
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