Table 3.

Associations between maternal preconception serum POPs and gravid conditions.

Chemical	GDM (N = 28)		HTN (N = 27)
	Model A OR (95% CI)	Model B OR (95% CI)	Model A OR (95% CI)	Model B OR (95% CI)
OCPs
HCB	0.96 (0.63,1.46)	0.97 (0.60,1.57)	0.64 (0.37,1.11)	0.74 (0.40,1.36)
β-HCH	0.58 (0.17,2.01)	0.34 (0.07,1.67)	0.29 (0.04,2.15)	0.43 (0.06,3.21)
Oxychlordane	1.07 (0.73,1.56)	1.26 (0.76,2.08)	0.59 (0.35,1.01)	0.61 (0.34,1.10)
p,p’-DDE	1.11 (0.79,1.55)	1.20 (0.72,2.02)	0.62 (0.34,1.11)	0.68 (0.33,1.40)
p,p’-DDT	0.94 (0.60,1.48)	1.01 (0.55,1.85)	0.24 (0.05,1.11)	0.27 (0.04,1.73)
trans-Nonachlor	0.99 (0.67,1.46)	1.03 (0.67,1.58)	0.55 (0.28,1.07)	0.58 (0.28,1.21)
PBDE congeners
28	0.81 (0.48,1.37)	0.47 (0.17,1.26)	0.80 (0.47,1.38)	0.71 (0.28,1.79)
47	0.83 (0.51,1.35)	0.32 (0.10,1.01)	0.98 (0.65,1.48)	1.86 (0.55,6.27)
85	0.94 (0.60,1.48)	0.71 (0.23,2.24)	0.83 (0.47,1.48)	0.61 (0.17,2.21)
99	0.78 (0.41,1.45)	0.44 (0.15,1.33)	0.91 (0.56,1.47)	0.96 (0.42,2.19)
100	1.15 (0.82,1.61)	2.22 (0.96,5.17)	0.85 (0.51,1.41)	0.69 (0.23,2.06)
153	1.37 (1.02,1.84)	1.79 (1.18,2.74)	0.81 (0.47,1.41)	0.84 (0.46,1.52)
154	0.99 (0.66,1.49)	1.04 (0.34,3.17)	0.84 (0.48,1.46)	0.59 (0.15,2.33)

HCB, hexachlorobenzene; β-HCH, β-hexachlorocyclohexane; γ-HCH, γ-hexachlorocyclohexane; o,p′ DDT, 1,1,1-Trichloro-2-2(o-chlorophenyl)-2-(p-chlorophenyl)ethane; p,p′-DDE, 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene; p,p′-DDT, 1,1,1-Trichloro-2-2(o-chlorophenyl)-2-(p-chlorophenyl)ethane; OCPs, organochlorine pesticides; PBDE, polybrominated diphenyl ether; IQR, interquartile range; LOD, limit of detection; GDM, gestational diabetes mellitus; HTN, gestational hypertension.

Model A, multiple logistic regression models were adjusted for serum lipids.

Model B, multiple logistic regression models were adjusted for serum lipids, age, BMI, non-white race, smoking, and the sum of remaining chemicals in the relevant class of compounds.