Table 4

Mean prevalence (%) in each category of smoking status estimated for 1986 and mean five-year trend (in percentage points), by age group

		Age (years)
		25–34	35–44	45–54	55–64
Men
Prevalence in 1986
current smokers	46	43	38	32
ex-smokers	16	24	27	37
never-smokers	36	32	34	30
Five-year trend
current smokers	−3^6-150	−3^6-150	−4^6-150	−4^6-150
ex-smokers	−2	2	0	−1
never-smokers	6^6-150	1	4^6-150	5^6-150
Women
Prevalence in 1986
current smokers	30	25	19	15
ex-smokers	13	11	9	9
never-smokers	56	63	72	76
Five-year trend
current smokers	−2^6-150	1	0	−2^6-150
ex-smokers	3^6-150	3^6-150	1^6-150	1
never-smokers	0	−3^6-150	−2	2

↵6-150 Significantly different from zero (p<0.05).