Figure 3.

Mean (± SEM) values of drug-history and psychosocial variables within each outcome class, as assessed at the beginning of the study.

a: Years of heroin use.

b: Years of polydrug use.

c: Proportion of participants who received methadone as opposed to buprenorphine.

d: Proportion of participants who responded “yes” to having been abused emotionally in the past 30 days.

e: Frequency of experiencing serious, non-drug-related psychological (“Psych.”) problems in the past 30 days.

f: Self-rating of how bothered the participant was by these psychological problems.

g: Self-rating of desire to be treated for these psychological problems.

h: Interviewer rating of the participant’s need to be treated for these psychological problems. Numeric values over bars represent Holm-adjusted p values for Noncompliant or Dropped Out compared to Completed.