Table 1.
Participant Sociodemographic Characteristics and Drug Use at Baseline (N = 230)
| Variable | Total Sample (N = 230) |
Interim Methadone (n = 99) |
Standard/Restored Methadone (n = 131) |
Test Statistic |
P |
|---|---|---|---|---|---|
| Male, n (%) | 161 (70.0%) | 69 (69.7%) | 92 (70.2%) | χ2(1) = 0.01 | 0.93 |
| Race, n (%) | χ2(1) = 0.46 | 0.50 | |||
| African American | 178 (77.4%) | 78 (78.8%) | 100 (76.3%) | ||
| White | 49 (21.3%) | 19 (19.2%) | 30 (22.9%) | ||
| Native American | 2 (0.9%) | 1 (1.0%) | 1 (1.0%) | ||
| Asian/Pacific Islander | 1 (0.4%) | 1 (1.0%) | 0 (0.0%) | ||
| Mean age (SD) | 43.2 (8.0) | 43.6 (8.2) | 43.0 (7.8) | F(1, 228) = 0.39 | 0.53 |
| Married, n (%) | 31 (13.5%) | 12 (12.1%) | 19 (14.5%) | χ2(1) = 2.0 | 0.16 |
| Mean no. of years of education (SD) |
11.3 (1.9) | 11.3 (1.6) | 11.3 (2.1) | F(1, 228) = 0.02 | 0.90 |
| Mean no. of days worked in last 30 days (SD) |
4.9 (8.8) | 4.4 (8.4) | 5.3 (9.0) | F(1, 228) = 0.63 | 0.43 |
| Injected at baseline, n (%) | 110 (47.8%) | 53 (53.5%) | 57 (43.5%) | χ2(1) = 2.3 | 0.13 |
| Used cocaine at baseline, n (%) |
128 (55.7%) | 54 (54.5%) | 74 (56.6%) | χ2(1) = 0.09 | 0.77 |
Note: Test statistic for Race was obtained by collapsing data into two categories: White (n = 49) v. African American/other (n = 181).