Table 2

Number of participants and person years; deaths from all causes, ischaemic heart disease, all cancer, and lung cancer, number and per 100000 person years, by number of cigarettes recorded at screening. 23521 male and 19201 female participants aged 35–49*

	Number of cigarettes smoked daily
	0	1–4	5–9	10–14	15–19	20–24	25+
*Participants not reporting cardiovascular disease, diabetes, or treatment for hypertension, nor symptoms of angina pectoris and atherosclerosis obliterans.
Males
Number of participants	8308	627	2526	4941	3401	2599	1119
Number of person years	219699	16367	63464	122128	82836	61967	26310
All causes
Number of deaths	1248	161	760	1697	1245	1084	499
Per 100000 person years	568	984	1198	1390	1503	1749	1897
Ischaemic heart disease
Number of deaths	287	63	233	521	406	311	128
Per 100000 person years	131	385	367	427	490	502	487
All cancer
Number of deaths	446	40	226	525	392	349	171
Per 100000 person years	203	244	356	430	473	563	650
Lung cancer
Number of deaths	17	4	61	168	126	146	70
Per 100000 person years	8	24	96	138	152	236	266
Females
Number of participants	11077	796	2759	3005	1008	477	79
Number of person years	288178	20537	70509	76158	25196	11720	2036
All causes
Number of deaths	956	98	427	530	222	113	16
Per 100000 person years	332	477	606	696	881	964	786
Ischaemic heart disease
Number of deaths	85	17	72	79	36	13	2
Per 100000 person years	29	83	102	104	143	111	98
All cancer
Number of deaths	579	46	197	264	100	58	9
Per 100000 person years	201	224	279	347	397	495	442
Lung cancer
Number of deaths	14	5	43	65	33	14	3
Per 100000 person years	5	24	61	85	131	119	147