Why the study?
Does an intensified population-level preventive program reduce ischaemic heart disease mortality?
Population
Middle-aged Finnish population, particularly men, in North Karelia and the rest of Finland
Comparison
Intensified preventive program vs Rest of Finland
Design
Cohort
Follow-up
1970s to 1980s
Authors
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Intensified prevention may accelerate IHD mortality reductions; leaves open whether benefits persist without sustained risk-factor control.
Does an intensified population-level preventive program reduce ischaemic heart disease mortality?
Population-level preventive programs can accelerate the decline in IHD mortality, but sustained efforts are required to prevent leveling off of these benefits.
Tuomilehto et al. (1989) studied this question.