Longitudinal analysis of the prevalence of obesity (BMI ≥95th percentile) from birth to 9 years by 4 cocaine-by-alcohol exposure groups, adjusted for SGA, early weight gain from birth to 1 year, sex, and maternal prepregnancy BMI. ***P<0.001, **P<0.01 to P<0.05, respectively, for significant differences between the group exposed to cocaine but not alcohol versus the group not exposed to cocaine or alcohol and the other 3 groups combined.