Table 2.

Frequency Distribution of Active and Passive Cigarette Smoking Status by Demographic Characteristics of the 1963 and 1975 Cohorts (Row Percentages)

	1963 Cohort				1975 Cohort
Characteristic	Never Smoker/No Passive Smoking (n = 8,538)	Passive Smoking Only (n = 6,184)	Former Smoker (n = 2,190)	Current Smoker (n = 7,880)	Never Smoker/No Passive Smoking (n = 10,907)	Passive Smoking Only (n = 4,071)	Former Smoker (n = 3,830)	Current Smoker (n = 7,573)
Age
25–34	24.7	21.9	11.3	42.1	34.0	16.5	15.8	33.7
35–44	23.7	23.6	10.5	42.2	32.2	17.2	15.8	34.8
45–54	27.6	26.7	10.2	35.6	33.3	16.0	15.2	35.5
55–64	44.8	26.9	6.8	21.6	43.9	13.0	15.3	27.8
≥ 65	62.1	26.9	3.5	7.5	64.6	14.1	10.4	10.9
Years of school
≤ 11	36.2	27.5	7.3	29.0	43.4	16.0	11.4	29.2
≥ 12	31.3	21.1	11.3	36.4	39.7	14.8	17.2	28.3
Marital status
Married	29.4	26.7	9.8	34.0	37.3	17.2	15.8	29.8
Widowed	53.7	23.5	5.4	17.4	57.7	12.0	10.8	19.5
Divorced/separated	26.1	13.9	9.2	50.9	31.6	6.4	14.4	47.6
Single	54.1	16.8	5.3	23.8	58.4	12.4	9.6	19.6
Religious attendance (1963 only)
Never	24.6	27.6	6.3	41.6
< 2 times per year	19.0	23.9	8.9	48.2
2–12 times per year	23.4	24.9	8.7	43.0
> Once per month	57.4	21.3	10.5	10.5
Once per week	41.2	25.8	8.9	24.1
< Once per week	30.4	23.8	10.1	35.7