A prospective follow-up study was carried out to investigate the impact of a health education program and other factors related to patient's social background and severity of heart attack on stopping smoking after heart attack. The study consisted of male patients below the age of 65 years, who had suffered a heart attack between April 1 and September 30, 1977, living in two provinces of eastern Finland, North Karelia and Kuopio. Of the patients who smoked before the heart attack, 102 responded to both the 6-and the 12-month follow-up postal survey. Of these 102 patients, 25 stopped smoking within 12 months after the heart attack, while 77 continued to smoke. Continuing smoking was most strongly associated with working and unemployment before heart attack, maximum serum aspartate aminotransferase (GOT) concentration and subjective recovery after the heart attack. The quitting rate among men in the program area was 1.2-fold (p=0.012) compared with the reference area men, after making allowance for the seven most confounding factors in the multivariate analysis. This observation indicates that either the community-based primary program or the secondary prevention program in North Karelia succeeded in dissuading patients from smoking after heart attack.
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