Figure 2.
Adjusted Odd Ratios of Adverse Birth Outcomes and Levels of Maternal Smoking. SGA-3-Small for Gestational Age below the 3rd percentile (n = 172,667), SGA-10-Small for Gestational Age below the 10th percentile (n = 172,667), LBW-Low Birth Weight at term (n = 161,041), PTB-Preterm Birth (n = 172,690), IUGR-Intra-Uterine Growth Restriction (n = 172,849), Stillbirth (n = 173,397). Tests were adjusted for: maternal age, parity > 1, alcohol flag, drug flag, prenatal care visits, prior and gestational diabetes, hypertension during pregnancy, pre-pregnancy weight, and lone parent.