The prevalence and risk factors of preterm small-for-gestational-age infants: a population-based retrospective cohort study in rural Chinese population

Table 3 Multiple logistic regression of preterm SGA infants

Risk factors	B	P value	OR	95% C.I. for OR
Risk factors				Lower	Upper
Maternal intake of folic acid from at least 3 months before LMP	−1.257	0.003	0.284	0.124	0.654
Maternal oral Contraceptive use	2.100	0.011	8.162	1.622	41.072
Maternal eosinophil percentage	0.064	0.021	1.067	1.010	1.127
Maternal syphilis infection	2.580	0.030	13.191	1.281	135.796
Paternal intake of egg and meat	−2.336	0.000	0.097	0.030	0.315
Maternal BMI before LMP	−0.056	0.403	0.945	0.828	1.709
Constant	1.357	0.401	3.886

ISSN: 1471-2393