Study Participants
Among 320 new patients screened for methadone treatment, 131 individuals (mean [SD] age, 45.9 [11.2] years; 84 [64.1%] men; 47 [35.9%] women; 83 [63.4%] Black or African American) met eligibility criteria, provided informed consented, were randomized to receive C-OLP (n = 77) or TAU (n = 54), and completed all of day 1 and baseline procedures (