Table 1 Baseline sociodemographic, substance use and treatment characteristics of cases included in the sample, compared to the overall treatment population
Variable | Included in the sample (N = 1097) n (%) | Not included in the sample (N = 2221) n (%) | Overall treatment population (N = 3318) n (%) |
|---|---|---|---|
Gender | |||
Male | 808 (73.7) | 1572 (70.8) | 2380 (71.7) |
Female | 289 (26.3) | 649 (29.2) | 938 (28.3) |
Race | |||
Black African | 84 (7.7) | 238 (10.7) | 322 (9.7) |
Coloureda | 882 (80.4) | 1755 (79.0) | 2637 (79.5) |
White | 103 (9.1) | 218 (9.8) | 321 (9.7) |
Indian | 31 (2.8) | 11 (0.5) | 42 (1.3) |
Age (M, SD) in years | 33.4 (10.1) | 32.7 (9.8) | 33.1 (9.9) |
Education | |||
Completed school | 564 (51.4) | 1028 (46.3)* | 1592 (48.0) |
Not completed school | 533 (48.6) | 1193 (53.7) | 1726 (52.0) |
Employment | |||
Employed | 289 (26.3) | 624 (28.1) | 913 (27.5) |
Unemployed | 808 (73.7) | 1597 (71.9) | 2405 (72.5) |
Primary substance | |||
Stimulants | 449 (40.9) | 848 (38.2) | 1297 (39.1) |
Opiates | 325 (29.6) | 515 (23.2) | 840 (25.3) |
Cannabis | 67 (6.1) | 362 (16.3)* | 429 (12.9) |
Methaqualone | 93 (8.5) | 213 (9.6) | 306 (9.2) |
Alcohol | 163 (14.9) | 282 (12.7) | 445 (13.4) |
Treatment intensity | |||
Residential | 406 (37.3) | 553 (24.9)** | 959 (28.9) |
Outpatient | 688 (62.7) | 1668 (75.1) | 2356 (71.0) |