The interaction between marital status and maternal age groups was statistically significant for the three outcomes in the four countries in both models (p-value < 0.001),>
USA: Modified to have kid sex, early in the day birth, season away from beginning, paternal ages, maternal race/ethnicity, foreign-produced mommy, one maternal smoking during pregnancy, prenatal care adequacy (GINDEX), obtained WIC during pregnancy, and you will beginning mostly repaid by the Medicaid
Minimally (A) and country-specific fully (B) adjusted odds ratios of preterm birth by maternal age group and marital status in Brazil, Ecuador, USA, and Canada. † Adjusted for infant sex, previous birth, and year of birth. ‡ Brazil: Adjusted for infant sex, previous birth, year of birth, paternal age, maternal race, prenatal care initiated in 1 st trimester, state, and age-appropriate low education. Canada: Adjusted for infant sex, previous birth, year of birth, paternal age, foreign-born mother, foreign-born father, province/territory of birth, reside in rural or urban area, and area-level income quintiles. ***p < 0.0001,>