Table 1.
Demographic Characteristics of Screening and Validation Samples.
| Screening Sample (N = 286) | Validation Sample (N = 88) | P-value | |
| Age (mean, sd) | 36.3 (8.1) | 34.8 (7.7) | 0.114 |
| Race (n, %) | <0.001 | ||
| Hispanic | 73 (26) | 42(48) | |
| White, non Hispanic | 94 (33) | 14 (16) | |
| Black/African American, nonHispanic | 99 (35) | 29 (33) | |
| Other/Multi Race, non Hispanic | 20 (7) | 3 (3) | |
| Substance Abuse Treatment Modality | <0.001 | ||
| Methadone | 164 (57) | 9 (11) | |
| Residential | 48 (17) | 55 (65) | |
| Outpatient drug-free | 74 (26) | 21 (25) | |
| Couldn't afford rent in past 2 years | 146 (53) | 52(60) | 0.243 |
| Couldn't obtain food in last year | 105 (38) | 40 (45) | 0.199 |
| Have children | 247 (88) | 81 (95) | 0.043 |
Note: Validation sample size for Treatment modality was n = 85, for rent, n = 86, for children, n = 85. P-values for age, 2-sided Student's t-test and for remaining characteristics, Pearson Chi Square test. Statistical tests and degrees of freedom (df) are: Age, t-test = 1.58, df = 372; Race/ethnicity, Chi Square = 18.95 df = 3; Substance abuse modality, Chi Square 84.96, 2 df; Rent; Food; Children, Chi Square respectively = 1.36; 1.65; 4.08; df = 1.