Table 4.

Illness severity by case and pesticide characteristics.

Moderate/high severity (n = 230)		Low severity (n = 2,715)		Moderate/high severity (vs. low)
Variable	n (%)		n (%)		OR (95% CI)	Adjusted ORa (95% CI)
Sexb
Female		126	(54.8)		1,234	(45.5)		1.43 (1.09–1.87)		1.53 (1.15–2.04)
Male		104	(45.2)		1,456	(53.6)		Reference		Reference
Age (years)
< 15		16	(7.0)		402	(14.8)		Reference		Reference
15–24		28	(12.2)		370	(13.6)		1.90 (1.01–3.57)		1.34 (0.68–2.62)
25–34		48	(20.9)		405	(14.9)		2.98 (1.66–5.33)		1.95 (1.02–3.71)
35–44		48	(20.9)		410	(15.1)		2.94 (1.64–5.27)		1.91 (1.02–3.58)
45–54		38	(16.5)		268	(9.9)		3.56 (1.95–6.52)		2.34 (1.24–4.41)
55–64		21	(9.1)		143	(5.3)		3.69 (1.87–7.27)		2.42 (1.20–4.91)
≥ 65		16	(7.0)		76	(2.8)		5.29 (2.54–11.03)		3.67 (1.72–7.86)
Unknown		15	(6.5)		641	(23.6)		0.59 (0.29–1.20)		0.63 (0.30–1.33)
Work related
Yes		126	(54.8)		1,254	(46.2)		1.41 (1.08–1.85)		0.99 (0.70–1.40)
No/unknown		104	(45.2)		1,461	(53.8)		Reference		Reference
No. active ingredients
1		90	(39.1)		1,719	(63.3)		Reference		Reference
> 1		140	(60.9)		996	(36.7)		2.72 (2.07–3.58)		1.42 (1.02–1.99)
Pesticide functional class
Fumigant		35	(15.2)		1,295	(47.7)		Reference		Reference
Herbicides		33	(14.3)		162	(6.0)		7.54 (4.56–12.46)		4.10 (2.34–7.19)
Insecticide		79	(34.3)		599	(22.1)		4.88 (3.24–7.35)		3.34 (2.10–5.32)
Fungicides		2	(0.9)		62	(2.3)		1.19 (0.28–5.08)		0.77 (0.18–3.37)
Multiple		71	(30.9)		514	(18.9)		5.11 (3.37–7.76)		3.09 (1.85–5.16)
Other/unknown		10	(4.3)		83	(3.1)		4.46 (2.13–9.32)		2.82 (1.29–6.15)
aAdjusted for all other variables. bExcluded unknown cases.