Maternal Fish Consumption and Infant Birth Size and Gestation: New York State Angler Cohort Study

Table 3 Predictors of birth size among infants without birth defects – multiple linear regression

	Weight		Length		Head Circumference		Chest Circumference
Covariate
	β Coefficient	95% CI	β Coefficient	95% CI	β Coefficient	95% CI	β Coefficient	95% CI
Duration of maternal fish consumption
1–2 years	13.49	-41.42, 68.41	0.09	-0.21, 0.39	0.04	-0.15, 0.22	-0.16	-0.48, 0.16
3–7 years	-14.45	-72.70, 43.80	0.12	-0.20, 0.44	-0.03	-0.23, 0.16	-0.29	-0.64, 0.06
8+ years	-37.03	-96.66, 22.60	0.06	-0.27, 0.38	-0.15	-0.35, 0.05	-0.49	-0.87, -0.11
Male infant	117.04	79.91, 154.17	0.78	0.58, 0.98	0.56	0.43, 0.68	0.37	0.16, 0.59
Number of daily cigarettes	-14.79	-17.63, -11.95	-0.07	-0.08, -0.05	-0.02	-0.03, -0.01	-0.05	-0.06, -0.03
Parity	97.22	72.11, 122.34	0.23	0.09, 0.37	0.21	0.12, 0.29	0.37	0.23, 0.52
Placental infarction	-316.55	-511.55, -121.56	-1.57	-2.63, -0.51			-1.47	-2.56, -0.37
Gestation (weeks)	144.43	128.68, 160.17	0.56	0.47, 0.64	0.32	0.26, 0.37	0.49	0.40, 0.58
*R-squared*	0.21	0.14	0.11	0.17
n	2,079	2,022	2,137	1,050

NOTE: Restricted to infants without birth defects noted in hospital delivery records (n = 2,247). Duration of maternal fish consumption refers to the number of years eating fish from Lake Ontario and its tributaries between 1955 and infant's year of birth. CI = confidence interval; n = sample size for each model

ISSN: 1476-069X