Table IV.

Adjusted FORs for TTP (n = 1625)^a.

	Adjusted FORs	95% CI	P valueb
PFOA (ng/ml)	0.89	0.83–0.94	<0.001
Age	0.96	0.94–0.97	<0.001
Pre-pregnancy BMI (kg/m2)			0.001
<24.9	1
25–29.9	1.03	0.89–1.20
>30	0.71	0.60–0.86
PFOS (ng/ml)	0.96	0.91–1.02	0.17
Age	0.96	0.95–0.97	<0.001
Pre-pregnancy BMI (kg/m2)			<0.001
<24.9	1
25–29.9	1.03	0.89–1.20
>30	0.72	0.60–0.86
PFHxS (ng/ml)	0.91	0.86–0.97	0.002
Age	0.96	0.94–0.97	<0.001
Pre-pregnancy BMI (kg/m2)			<0.001
<24.9	1
25–29.9	1.05	0.90–1.22
>30	0.73	0.61–0.87

Chemical plasma concentrations were log-transformed and divided by their SDs.

PFOA, perflurooctanoic acid; PFOS, perfluorooctane sulfonate; PFHxS, perfluorohexane sulfonate.

^a1625 women (118 missing values for pre-pregnancy weight).

^bWald χ² test PHREG procedure.