Trends in smoking by birth cohort for births between 1940 and 1975: a reconstructed cohort analysis of the 1990 Ontario Health Survey.

摘要: Abstract Background. Smoking patterns have changed markedly over the past 70 years. Previous studies shown that examination of smoking within birth cohorts can identify important changes in tobacco adoption and cessation. This paper examines temporal trends prevalence age cessation for born between 1940 1975. Methods. The underlying data were obtained from Ontario Health Survey (conducted 1990), which used a multistage stratified area sampling strategy to obtain interviews on 29,843 people 12 or older. Self-reported histories Swere as basis reconstructed cohort analysis rates. A life events methodology was employed examine at starting time Results. There has been steady drop peak men. trend appears be continuing among most recent cohorts. However, women, increased until 1960 cohort, after dropping. Prevalence much higher men then women earlier but, by essentially same. Examination onset reveals there statistically significant interaction sex relative risk smoking. rate uniformly across all both women. Conclusions. study confirms reduction provides no evidence suggest diminution effect. Trends are encouraging. is clear need public health initiatives directed older children teenagers order further reduce Efforts prohibit advertising toward minors, sponsorship sporting cultural events, sale minors should receive high priority.