Table 1.

Descriptive statistics by vital status.

		Alive	Died	Total
	N	517	833	1350
	%	38	62	100
Sex
Female	N	334	407	741
	%	45	55	100
Male	N	183	426	609
	%	30	70	100
Social Class
Non-manual	N	264	310	574
	%	46	54	100
Manual	N	253	523	776
	%	33	67	100
Smoking Status
Never Smoked	N	255	195	450
	%	57	43	100
Ex-smoker	N	116	191	307
	%	38	62	100
Current smoker	N	146	447	593
	%	25	75	100
AH4	Mean	29	25	27
	SD	11	11	12
CRT mean	Mean	703	744	728
	SD	103	118	114
SRT mean	Mean	338	374	360
	SD	103	135	125
CRT SD	Mean	129	134	132
	SD	34	38	37
SRT SD	Mean	84	100	94
	SD	59	69	66