Exposure to interpersonal violence before the age of 11 was associated with higher risk for lifetime use of all drug types, controlling for demographic covariates (Table 2). These effects were attenuated after controlling for parent substance misuse, but associations remained statistically significant. Interpersonal violence was associated with use of marijuana (RR=1.78, CI: 1.54-2.07), cocaine (RR=2.64, CI:1.75-3.98), nonmedical prescription drugs (RR=2.20, CI: 1.49-3.27), other drugs (RR=1.70, CI: 1.12-2.57), and multiple drugs (RR=2.31, CI:1.69-3.15).
