Table 1

Number of subjects by triallate group and by gender, race, age, and employment characteristics

Characteristic	All subjects		Hired 1976–85		Hired >1985
Characteristic	No/low triallate	High triallate	No/low triallate	High triallate	No/low triallate	High triallate
*Rehired and active at the time of the study.
†Only one subject in the no/low triallate group had a cumulative triallate score >443 (the lowest score of any subject in the high triallate group).
Total	50	50	25	25	25	25
Gender
Male	36	36	17	17	19	19
Female	14	14	8	8	6	6
Race/ethnicity
White	50	47	25	25	25	22
Black	0	1	0	0	0	1
Hispanic	0	2	0	0	0	2
Age (y) at 1 Jan 2001
20–29	5	5	0	0	5	5
30–39	17	17	4	4	13	13
40–49	23	23	19	19	4	4
50–59	5	5	2	2	3	3
Median	41	42	44	43	34	35
Payroll classification
Ever hourly	31	47	15	24	16	23
Always salaried	19	3	10	1	9	2
Year of hire
1976–80	18	20	18	20	0	0
1981–85	7	5	7	5	0	0
1986–90	2	2	0	0	2	2
1991–95	8	12	0	0	8	12
1996+	15	11	0	0	15	11
Duration of employment (y)
1–4	17	16	0	0	17	16
5–9	8	9	2*	0	6	9
10–14	3	0	1*	0	2	0
15–19	13	7	13	7	0	0
20+	9	18	9	18	0	0
Median	9.0	13.1	19.1	22.5	2.8	4.0
Cumulative triallate score
0	36	0	11	0	25	0
15–<525	14†	8	14†	0	0	8
525–<3834	0	21	0	4	0	17
3834–8728	0	21	0	21	0	0
Range	0–503†	443–8728	0–503†	3565–8728	0–0	443–1588
Median	0	2576	24	4824	0	714