Panel A. Combined abstinence rates in the 10-week treatment period, adjusted for baseline CO-level as well as days of illicit opioid and cocaine use in the 30-days preceding enrollment.
Panel B. Smoking abstinence rates in the 10-week treatment period, adjusted for baseline CO-level.
Panel C. Illicit opioid abstinence rates in the 10-week treatment period, adjusted for days of illicit opioid use in the 30-days preceding enrollment.
Panel D. Cocaine abstinence rates in the 10-week treatment period, adjusted for days of cocaine use in the 30-days preceding enrollment. Abstinence rates differed as function of biweek, p<.001 and medication × biweek. p = .0259.