Table 1.
Bivariate Analyses of Baseline Characteristics of OBOT Patients over a Twelve-Year Study Period (N= 1237)
| Demographics | Total (N =1237) N (%) or mean (SD) |
Patients With ≥1 Year Retention (N=664) N (%)or mean (SD) |
Patients With <1 Year Retention (N=573) N (%) or mean (SD) |
p-value |
|---|---|---|---|---|
| Age at Enrollment, years (N =1222) | 38 (11) | 38 (11) | 38 (11) | 0.76 |
| Female (N =1222) | 472 (38.6%) | 295 (44.4%) | 177 (31.7%) | <.0001 |
| Race/Ethnicity (N = 1203) | <.0001 | |||
| White | 821 (68.2%) | 486 (74.0%) | 335 (61.4%) | |
| Black | 179 (14.9%) | 75 (11.4%) | 104 (19.0%) | |
| Hispanic | 187 (15.5%) | 86 (13.1%) | 101 (18.5%) | |
| Other | 16 (1.3 %) | 10 (1.5%) | 6 (1.1%) | |
| High school/GED or Higher (N = 986) | 634 (64.3 %) | 391 (65.9%) | 243 (61.8%) | 0.50 |
| Unemployed (N = 1177) | 752 (60.8%) | 389 (59.8%) | 363 (69.7%) | <.0001 |
| Any Psychiatric Diagnoses (N = 1224) | 808 (66.0%) | 482 (72.9%) | 326 (57.9%) | <.0001 |
| HIV Positive (N = 469) | 23 (4.9%) | 10 (3.7%) | 13 (6.5%) | 0.16 |
| HCV Antibody Positive (N = 1084) | 636 (58.7%) | 306 (52.2%) | 330 (66.3%) | <.0001 |
| Alcohol Use at Enrollment (N =1237) | 213 (17.2%) | 96 (14.5%) | 117 (20.4%) | 0.006 |
| Cocaine Use at Enrollment (N = 1237) | 164 (13.3%) | 67 (10.1%) | 97 (16.9%) | 0.0004 |
| Illicit Benzodiazepine Use at Enrollment (N =1237) | 108 (8.7 %) | 51 (7.7%) | 57 (9.9%) | 0.16 |
| History of ever heroin use (N = 1237) | 1063 (85.9%) | 547 (82.4%) | 516 (90.1%) | 0.0001 |
| Prior Buprenorphine Treatment (N = 1237) | 404 (32.7%) | 241 (36.3%) | 163 (28.4%) | 0.003 |
| Age at first Opioid Use (N=1164) | 22 (8) | 22 (8) | 22 (8) | 0.71 |
Legend: High school/GED or Higher – completed high school or passed the General Education Development test or more advanced degree; HCV Antibody Positive- Hepatitis C Antibody Positive; Prior Buprenorphine Treatment – patient self-report of prior buprenorphine treatment with any buprenorphine provider on initial intake; History of Heroin- reported use of heroin, with or without opioid pills, as compared to use of opioid pills only