Associations of maternal serum concentration of iron-related indicators with birth outcomes in Chinese: a pilot prospective cohort study

Table 3 Associations of serum concentrations of iron-related indicators with neonatal anthropometric indicators

	Per one standard deviation increase (SD)
	Femur length, mm			Birth weight, g			Body length, cm			Head circumference, cm			Chest circumference, cm
	β	se	p	β	se	p	β	se	p	β	se	p	β	se	p
Iron, mg/L
Model 1	-0.21	0.078	0.007	-19.51	11.9	0.102	-0.10	0.074	0.165	-0.07	0.062	0.275	-0.11	0.066	0.099
Model 2	-0.22	0.077	0.005	-16.61	11.2	0.139	-0.08	0.072	0.256	-0.05	0.060	0.424	-0.10	0.064	0.128
sTFR, µg/L
Model 1	0.13	0.076	0.085	-4.36	11.7	0.711	-0.03	0.072	0.707	-0.08	0.060	0.163	-0.01	0.064	0.921
Model 2	0.14	0.076	0.062	7.87	11.2	0.484	0.02	0.071	0.800	-0.01	0.059	0.925	0.06	0.064	0.333
Ferritin, µg/L
Model 1	0.02	0.076	0.838	-17.00	11.8	0.149	-0.11	0.072	0.121	-0.09	0.060	0.144	-0.04	0.065	0.554
Model 2	0.04	0.076	0.651	-4.40	11.3	0.697	-0.06	0.070	0.379	-0.01	0.059	0.936	0.03	0.064	0.620
Hepcidin, µg/L
Model 1	0.10	0.076	0.179	-10.00	11.7	0.393	-0.06	0.072	0.393	-0.09	0.060	0.146	-0.05	0.064	0.481
Model 2	0.11	0.077	0.141	3.86	11.3	0.733	-0.01	0.072	0.906	0.00	0.059	0.981	0.03	0.064	0.663
Transferrin, ng/L
Model 1	0.16	0.076	0.030	1.76	11.7	0.881	0.04	0.072	0.547	-0.08	0.060	0.197	0.01	0.064	0.841
Model 2	0.20	0.076	0.010	16.90	11.2	0.132	0.11	0.071	0.130	0.01	0.059	0.883	0.09	0.063	0.160

Model 1: adjusted age and gestational age (for femur length, femur length measurement weeks were adjusted); Model 2: further adjusted for delivery mode, gravidity, parity, maternal height, maternal pre-pregnancy weight, paternal height, paternal weight, fetus’s sex, measurement time of iron-related indicators, use of iron or multivitamin supplements before pregnancy

ISSN: 1824-7288