Table 1.
Baseline characteristics of Enhanced Telephone Monitoring (ETM; n=148) and Usual Care (UC; n=150) groups.
| Demographics | ETM | UC | X2/t | p |
|---|---|---|---|---|
| Male (%, n) | 95.3 (141) | 94.7 (142) | .06 | .812 |
| White (%, n) | 75.7 (112) | 76.4 (113) | .02 | .892 |
| Age (M, SD) | 51.4 (12.9) | 48.9 (13.5) | −1.68 | .095 |
| Married (%, n) | 18.9 (28) | 17.3 (26) | .13 | .722 |
| Years education (M, SD) | 13.0 (1.8) | 13.3 (1.9) | .98 | .329 |
| Employed (%, n) | 31.1 (46) | 36.7 (55) | 1.04 | .308 |
| Homeless (%, n) | 16.1 (23) | 13.8 (20) | .30 | .585 |
| Detoxification, mutual-help and treatment | ||||
| Detoxification, lifetime (%, n) | 98.0 (145) | 98.0 (145) | .00 | 1.00 |
| Attended 12-step meeting (%, n; past 3 months) | 54.7 (81) | 52.7 (79) | .13 | .721 |
| Number of meetings (M, SD) (past 3 months) | 7.0 (14.3) | 8.6 (15.8) | .62 | .533 |
| Treatment, lifetime (%, n) | 61.5 (91) | 59.1 (88) | .18 | .669 |
| Treatment, 30 days (%, n) | 10.8 (16) | 9.3 (14) | .18 | .672 |
| Addiction Severity Index composite | ||||
| Alcohol severity (M, SD) | .564 (.290) | .565 (.290) | .04 | .966 |
| Drugs severity (M, SD) | .134 (.151) | .125 (.157) | −.51 | .613 |
| Psychiatric (M, SD) | .479 (.226) | .490 (.236) | .40 | .692 |
| Addiction Severity Index items (past 30 days) | ||||
| Days used alcohol (M, SD) | 16.0 (10.7) | 15.3 (10.8) | −.507 | .612 |
| Days used opioids (M, SD) | 5.1 (11.0) | 5.6 (11.7) | .425 | .671 |
| Serious ideas suicide (%, n) | 32.8 (47) | 32.9 (49) | .04 | .835 |
| Attempted suicide (%, n) | 10.1 (15) | 10.1 (15) | .00 | .984 |
| Brief Addiction Monitor composite | ||||
| Alcohol and drug use (M, SD) | 7.2 (3.1) | 7.0 (2.9) | −.48 | .641 |
| Risk factors (M, SD) | 15.0 (4.6) | 15.6 (4.3) | 1.13 | .257 |
| Self-efficacy | ||||
| Confidence (M, SD) | 62.1 (29.0) | 58.4 (26.7) | −1.16 | .247 |