Table 1.
Baseline characteristics of study participants.
| Education (control) (n = 83) No. (%) |
MI-Only (n = 77) | MI + HealthCall (n = 80) | Full sample (N = 240) | p-value | |
|---|---|---|---|---|---|
| Female | 14 (16.87) | 10 (12.99) | 15 (18.75) | 39 (16.25) | 0.61 |
| Ethnicity | 0.64 | ||||
| African American | 48 (57.83) | 39 (50.65) | 45 (56.25) | 132 (55.00) | b |
| Hispanic | 17 (20.48) | 23 (29.87) | 22 (27.50) | 62 (25.83) | b |
| Other | 18 (21.69) | 15 (19.48) | 13 (16.25) | 46 (19.17) | b |
| Spanish-speaking | 1 (1.20) | 0 (0.00) | 3 (3.75) | 4 (1.67) | 0.17 |
| High school education | 62 (74.70) | 49 (63.64) | 54 (67.50) | 165 (68.75) | 0.31 |
| Married/stable relationship | 9 (10.84) | 6 (7.79) | 11 (13.75) | 26 (10.83) | 0.49 |
| Employed | 10 (12.20) | 12 (15.58) | 12 (15.00) | 34 (14.23) | 0.81 |
| Current DSM-IV drug dependencea | 14 (17.07) | 12 (15.58) | 13 (16.25) | 39 (16.32) | 0.97 |
| Primary drug type | 0.95 | ||||
| Crack | 42 (50.60) | 38 (49.35) | 39 (48.75) | 119 (49.58) | b |
| Cocaine | 14 (16.87) | 18 (23.38) | 18 (22.50) | 50 (20.83) | b |
| Meth | 18 (21.69) | 15 (19.48) | 15 (18.75) | 48 (20.00) | b |
| Heroin | 9 (10.84) | 6 (7.79) | 8 (10.00) | 23 (9.58) | b |
| Mean (SD) | |||||
| Age, years | 46.72 (10.32) | 47.38 (8.31) | 45.53 (9.23) | 46.54 (9.34) | 0.46 |
| Years since HIV diagnosisc | 14.96 (8.15) | 15.58 (6.88) | 15.75 (8.85) | 15.42 (7.99) | 0.81 |
| Number of days used (NumDU)d | 8.18 (6.46) | 9.29 (7.21) | 8.54 (6.86) | 8.65 (6.83) | 0.58 |
| Amount $ spent (QuantU)e | 16.12 (23.53) | 15.02 (17.61) | 16.15 (16.52) | 15.78 (19.47) | 0.92 |
MI = motivational interviewing; SD = standard deviation.
a
DSM-IV drug dependence on participant’s primary drug during the 30 days prior to baseline.
b
P-values not given for pair-wise contrasts between each ethnic group or each primary drug type because these-variables were tested as three- and four-level variables, respectively.
c
Mean years since HIV diagnosis computed among HIV+ participants (n = 234); six participants were provided HIV prevention services.
d
During 30 days prior to baseline.
e
Average dollar amount per day used over 30 days prior to baseline.