The relationship between smoking and total mortality was examined in a community residents population sample of 2,848 men and 3,543 women aged 55 years or over in Kangwha County, Korea during 1985-1991. A total of 1,436 deaths occurred during a 6-year follow-up among the 1.3 fold-higher in current smokers than in non-smokers among men. The relative risk of total mortality was highest for the 55-59 year old age group both in ex-smokers and in current smokers. PAR for total mortality attributed by smoking were estimated to be 26% for ex-smokers and 25% for current smokers in men. The biggest RR (2.1) and PAR (49%) were observed among those who smoked less than 19 cigarettes per day compared to non-smokers in males. Smokers who began to smoke at age 18 or before showed RR 1.8, and PAR 38% in men. Smoking was the most important variable related with total mortality second only to hypertensiveness not including preventable ones among men in multivariate analyses. Men who began to smoke at nineteen years of age or before had RR 1.5 for total cancer mortality. Women showed the similar picture as males in risk factors composition and in relative risks, with a low association strength, however.
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