Table 4.

Toxic chemical exposure analysis (sensitivity analysis: using inverse probability weighting).

	POMS (N = 490 )	Healthy controls (N = 716 )	Odds ratio (95% CI)	P-Value
Insect repellent for ticks or mosquitos, x/n (%)	179/293 (61)	262/479 (55)	1.55 (1.11 – 2.16)	0.009
Weed control products, x/n (%)	114/309 (37)	130/498 (26)	2.20 (1.54 – 3.15)	<0.001
Plant/tree insect or disease control products, x/n (%)	46/307 (15)	35/510 (7)	3.35 (1.99 – 5.65)	<0.001

Adjusted for age, sex, genetic ancestry, mother’s highest level of education, recruiting site