Table 2

Distribution of 2,4-D male cohort by cumulative dose and duration of exposure

Cumulative dose		Duration (y)^2-150
Cumulative dose		<1	1–4.9	5–14.9	⩾15	Total
Original cohort (1945–82):
Very low	169	1	0	0	170
Low	152	106	16	0	274
Moderate	92	99	41	18	250
High	0	86	48	35	169
Total	413	292	105	53	863
Newly identified (1945–82):
Very low	240	0	0	0	240
Low	87	2	0	0	89
Moderate	71	3	1	0	75
High	0	1	0	0	1
Total	398	6	1	0	405
Newly identified (1983–94):
Very low	121	55	4	0	180
Low	0	52	17	0	69
Moderate	0	0	0	0	0
High	0	0	0	0	0
Total	121	107	21	0	249

↵2-150 Adjusted for breaks in service and accumulated to the end of 1994.