The LBW risk analysis associated with the number of prenatal care visits stratified by the maternal educational attainment.#$.

#Adjusted for maternal age, gestational weight gain, BMI at the first pregnancy visit, gestational age, the week of initiation of prenatal care, number of prenatal care visits, neonatal sex, pregnancy-induced hypertension (missing 796), maternal job (missing 4672), and prenatal care institutions (missing 745). Hosmer-Lemeshow goodness-of-fit test: χ2 = 10.46, P = 0.2345.$The result of the interaction of the number of prenatal care visits and educational attainment on LBW risk: β = −0.1611, Sβ = 0.0722, χ2 = 4.98, P = 0.0257.The LBW risk analysis associated with the number of prenatal care visits stratified by the maternal educational attainment.#$.