| long-acting Nalmefene (Nalmefene Consta 393.1 mg) (n = 1500) | extended-release Naltrexone (Vivitrol 380 mg) (n = 1500) |
Age in years | 27.1 (±4.8) | 28.3 (±3.6) |
Sex | No. (%) | No. (%) |
Male | 1110 (74%) | 1080 (72%) |
Female | 390 (26%) | 420 (28%) |
Marital status | No. (%) | No. (%) |
Never married | 765 (51%) | 780 (52%) |
Married/de facto | 585 (39%) | 570 (38%) |
Divorced/separated | 150 (10%) | 150 (10%) |
Race | No. (%) | No. (%) |
White | 663 (44.2%) | 691 (46.1%) |
Asian | 256 (17.1%) | 335 (22.3%) |
Black | 489 (32.6%) | 445 (29.7%) |
Others | 92 (6.1%) | 29 (1.9%) |
Employment status | No. (%) | No. (%) |
Student | 210 (14%) | 285 (19%) |
Employed (full/part time) | 795 (53%) | 750 (50%) |
Unemployed/pension | 495 (33%) | 465 (31%) |
Duration of opioid dependence in years | 9.1 (±4.5) | 10.0 (±3.9) |
Distribution of Duration of Opiate Dependence | No. (%) | No. (%) |
<5 years | 300 (20%) | 255 (17%) |
5 - 9 years | 360 (24%) | 315 (21%) |
10 - 14 years | 675 (45%) | 630 (42%) |
>15 years | 165 (11%) | 300 (20%) |
Opioid craving scale | 18 (±2) | 22 (±2) |
Hepatitis C positive | 1170 (78%) | 1275 (85%) |
Opiate used in 30 days prior to baseline assessment | No. (%) | No. (%) |
Heroin | 1170 (78%) | 1155 (77%) |
Methadone | 135 (9%) | 195 (13%) |
Other opiates/analgesics | 195 (13%) | 150 (10%) |
Injecting (intravenous) users | 930 (62%) | 915 (61%) |