Table 2.

Relative risk of prostate cancer among applicators by cumulative exposure score category to selected pesticides.

	Cumulative Exposure Score Based on the Enrollment Questionnaire
Pesticide	Un- exposed	1 Lowest	2	3	4	5 Highest	P for Trend
Alachlor
OR (95% CI)	1.0	0.91 (0.70–1.18)	1.11 (0.85–1.45)	1.35 (0.95–1.92)	0.70 (0.44–1.12)	0.77 (0.48–1.26)	0.52
No. cases	303	81	82	40	20	20
Atrazine
OR (95% CI)	1.0	1.02 (0.79–1.31)	0.91 (0.71–1.18)	0.89 (0.65–1.23)	0.82 (0.54–1.25)	0.97 (0.63–1.48)	0.34
No. cases	202	113	114	57	27	28
Carbofuran
OR (95% CI)	1.0	1.29 (0.95–1.74)	1.93 (1.42–2.62)	1.00 (0.66-.51)	0.68 (0.38-.23)	1.01 (0.58–1.77)	0.23
No. cases	400	54	50	26	12	13
Chlorpyrifos
OR (95% CI)	1.0	0.95 (0.70–1.30)	1.04 (0.75–1.42)	0.89 (0.54–2.25)	0.64 (0.35–1.18)	0.73 (0.41–1.31)	0.23
No. cases	392	49	48	24	12	12
Permethrin
OR (95% CI)	1.0	1.30 (0.76–2.24)	2.31 (1.38–3.87)	1.11 (0.54–2.25)	1.73 (0.63–4.75)	0.74 (0.24–2.33)	0.63
No. cases	518	16	16	8	4	4
Aldrin
OR (95% CI)	1.0	1.44 (0.98–2.11)	1.12 (0.76–1.66)	1.56 (0.92–2.64)	0.87 (0.38–1.99)	1.38 (0.60–3.19)	0.70
No. cases	226	33	34	17	7	8
DDT
OR (95% CI)	1.0	1.18 (0.84–1.66)	1.17 (0.81–1.69)	0.76 (0.46–1.27)	1.38 (0.71–2.66)	1.14 (0.59–2.21)	0.89
No. cases	178	50	45	23	11	11
Heptachlor
OR (95% CI)	1.0	1.08 (0.67–1.74)	0.86 (0.53–1.41)	1.00 (0.51–1.98)	0.64 (0.20–2.03)	0.66 (0.21–2.09)	0.41
No. cases	273	20	19	10	6	3
Methyl bromide
OR (95% CI)	1.0	1.01 (0.66–1.56)	0.76 (0.47–1.25)	0.70 (0.38–1.28)	2.73 (1.18–6.33)	3.47 (1.37–8.76)	0.004
No. cases	482	23	22	11	6	5
Captan
OR (95% CI)	1.0	1.07 (0.50–2.30)	1.09 (0.48–2.48)	1.89 (0.58–6.12)	0.95 (0.23–3.93)	2.79 (0.35–22.1)	0.11
No. cases	518	7	6	3	2	1