International Journal of Epidemiology, Vol 28, 846-852, Copyright © 1999 by International Epidemiological Association
CA Spencer, K Jamrozik and L Lambert
BACKGROUND: We tested whether behaviours such as discarding obvious fat on
meat, cessation of smoking, avoidance of passive smoking, habitual use of
reduced fat milk, prudent consumption of alcohol and regular but moderate
physical exercise are associated with a reduction of cardiovascular risk.
METHODS: This was a population-based case-control study done in Perth,
Western Australia. The cases (n = 336) were men aged 27-64 years with a
first-ever acute myocardial infarction (AMI) during the period 1992-1993,
and who survived at least 28 days. The controls (n = 735) were participants
in a population-based survey of cardiovascular risk factors conducted
during May-November 1994. Both groups completed the same questionnaire and
the data were analysed with multiple logistic regression using backward
elimination technique. RESULTS: Among men aged 27-64 years simple measures
such as participation in nonvigorous exercise (odds ratio [OR] = 0.5, 95%
CI: 0.4-0.7), and avoidance of added salt (OR = 0.6, 95% CI: 0.4-0.9) are
associated with significant and important protection from AMI. CONCLUSION:
After 25 years of falling mortality in Australia, lifestyles can still be
significantly improved to reduce heart disease even further.
ARTICLES
Do simple prudent health behaviours protect men from myocardial infarction?
Department of Public Health, University of Western Australia, Nedlands, Australia. carole@dph.uwa.edu.au
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