Table 1

Vital status and employment characteristics for workers potentially exposed to 2,4-D (1945–94)

		Men				Women
		n	%			n	%
Employees (n)	1517	100		50	100
Vital status on 31 December 1994:
Alive	1185	78.1		49	98.0
Dead	330	21.8		1	2.0
Lost to follow up	2	<1		0	0
Age at first exposure (y):
<25	579	38.2		12	24.0
25–34	583	38.4		24	48.0
35–44	249	16.4		11	22.0
⩾45	106	7.0		3	6.0
Year of first exposure:
<1950	289	19.1		0	0
1950–9	341	22.5		0	0
1960–9	347	22.9		0	0
1970–9	266	17.5		11	22.0
1980–2	25	1.7		2	4.0
⩾1983	249	16.4		37	74.0
Years since first exposure:
<10	236	15.6		35	70.0
10–19	191	12.6		15	30.0
20–29	365	24.1		0	0
⩾30	725	47.8		0	0