Table 5

Smoking habits 10 years after baseline screening in persons who attended both examinations. 3774 men and 7591 women reporting at baseline never to have smoked, and 224 men and 552 women reporting at baseline a consumption of 1–4 cigarettes per day. Number of persons, age 35–49 at baseline*

Category at baseline		Categories of smoking 10 years after baseline screening
Category at baseline		Never smoked	Ex-smokers	1–4 cigs	5–9 cigs	10–14 cigs	15–19 cigs	20–24 cigs	25+ cigs	Pipe only	Pipe + cigars	Total number of persons
*Participants not reporting cardiovascular disease, diabetes, or treatment for hypertension, nor symptoms of angina pectoris and atherosclerosis obliterans.
Males
	Never smoked	3523	177	18	16	14	9	3	2	7	5	3774
	1–4 cigs	15	93	53	44	13	2	0	0	3	1	224
Females
	Never smoked	7239	163	58	69	42	10	8	2	0	0	7591
	1–4 cigs	71	144	113	179	38	2	3	2	0	0	552