Effectiveness Measures by Treatment Group.

Abbreviations: SI, NIDA's Standard Intervention; WWE, SI plus Well Woman Exam; 4ES, SI, WWE plus four educational sessions.aOccasions = days used * times per day.bMissing data from 1–2 patients at some endpoints.cMeasured only at BL and 12 mo. The endpoint sample for each intervention included 121, 129 and 129 participants, respectively. Standard deviation not applicable here because value is number of participants.dProportion of participants abstaining from cocaine.eNumber of drinks per day, of the days participants drank alcohol.fProportion of participants avoiding heavy drinking. “Heavy drinking” defined as ≥4 drinks per day of the days participants drank alcohol.gProportion of participants abstaining from alcohol.