Table 4.
Adjusted odds ratios (95% confidence interval [CI]) of low birth weight (LBW), preterm birth (PTB), preterm birth and low birth weight (PT_LBW), and intrauterine growth retardation (IUGR), considering the combined effects of paternal education and parental work in Korea from 1995 to 2008

*ORs: Adjusted for infant sex, maternal age, parental age, multiple birth, parity, death of previous children, and year of birth.