Table 4.

Effect of personal prenatal exposure to PM_2.5 (in tertiles) on the birth weight of newborns adjusted for potential confounders according to the level of fish consumption during pregnancy (in tertiles)

Predictors	Coefficient	p-level	95% confidence interval
Low fish intake (<91 g/week)
Maternal age	−1.60	0.867	−20.54	17.33
Maternal education	17.26	0.121	−4.61	39.14
Maternal height	10.79	0.051	−0.06	21.64
Maternal prepregnancy weight	7.61	0.070	−0.631	15.84
Parity	74.19	0.175	−33.45	181.84
Gestational age	168.29	0.000	138.29	198.29
Female child	−186.21	0.001	−296.40	−76.02
PM2.5 <27.0 μg/m3	1.00
PM2.5 27.0–46.29 μg/m3	−39.04	0.567	−173.23	95.15
PM2.5 >46.29 μg/m3	−133.26	0.052	−267.41	0.89
Intercept	−5,507.14	0.00	−7,677.71	−3,336.58
Medium fish intake (91–205 g/week)
Maternal age	1.98	0.827	−15.81	19.76
Maternal education	−2.68	0.812	−24.88	19.53
Maternal height	11.43	0.039	0.59	22.26
Maternal prepregnancy weight	14.07	0.000	8.17	19.97
Parity	98.10	0.050	−0.01	196.21
Gestational age	164.32	0.000	128.56	200.10
Female child	−177.67	0.002	−288.04	−67.31
PM2.5 <27.0 μg/m3	1.00
PM2.5 27.0–46.29 μg/m3	3.94	0.953	−128.69	136.57
PM2.5 >46.29 μg/m3	−93.38	0.247	−252.16	65.40
Intercept	−5,702.08	0.000	−7,990.48	−3,413.68
High fish intake (>205 g/week)
Maternal age	−11.59	0.357	−36.41	13.23
Maternal education	12.72	0.385	−16.19	41.64
Maternal height	11.28	0.144	−3.89	26.46
Maternal prepregnancy weight	13.03	0.016	2.45	23.62
Parity	137.88	0.066	−9.17	284.93
Gestational age	200.41	0.000	139.98	260.83
Female child	−151.46	0.046	−299.90	−3.03
PM2.5 <27.0 μg/m3	1.00
PM2.5 27.0–46.29 μg/m3	90.02	0.335	−94.02	274.05
PM2.5 >46.29 μg/m3	−23.69	0.811	−219.96	172.57
Intercept	−7,095.60	0.000	−1,0674.68	−3,516.51