aHeroin, morphine, fentanyl, prescription pain medicine (not as prescribed), cocaine/crack, marijuana, amphetamines, hallucinogens, inhalants, or misuse of other prescription drugs (eg, benzodiazepines).
bReturn to use: usual care, 44 (57.1%), MORE plus usual care, 39 (50.6%).
cAdjusted P = .01, a priori, for clinic counseling hours (other than MORE) during treatment period, methadone dose, opioid use at baseline, and time in methadone treatment, at baseline.