Table 5.

Linear Regression Estimates (β) of the Association Between First-Trimester Log₁₀ PFAS Concentration (ng/mL) and Birth Weight (g), MIREC Study, 2008–2011

PFAS	Males (n = 797)		Females (n = 712)
	βa	95% CrI	βa	95% CrI
PFOA	−35.51	−198.99, 127.97	−89.51	−263.40, 84.38
PFOS	−11.15	−174.26, 151.95	94.31	−76.30, 264.92
PFHxS	53.72	−53.71, 161.15	−24.72	−140.00, 90.55

Abbreviations: CrI, credible interval; MIREC, Maternal Infant Research on Environmental Chemicals; PFAS, perfluoroalkyl substance(s); PFHxS, perfluorohexanesulfanoate; PFOA, perfluorooctanoic acid; PFOS, perfluorooctanesulfonate.

^a Adjusted for age, body mass index, parity, income, smoking, and each PFAS.