Table 2.
Comparison of screening variables between participants who initiated treatmenta and those who did not in the Screened Sample (n=176)b.
| Screening variable |
Completed intake phase (n = 120)c |
Did not complete intake phase (n = 56) |
Statistic | DFd | P-valuee |
|---|---|---|---|---|---|
| Age | 42.6 ± 7.5 | 41.0 ± 8.8 | t = 1.23 | 173 | 0.22 |
| Gender (male) | 71 (59%) | 43 (77%) | χ2 = 5.19 | 1 | 0.02 |
| Race (Caucasian) | 28 (23%) | 13 (24%) | χ2 = 0.00 | 1 | 0.97 |
| Education (high school grad)f | 78 (65%) | 26 (70%) | χ2 = 0.35 | 1 | 0.55 |
| Marital history (ever married)f | 51 (42%) | 26 (55%) | χ2 = 2.23 | 1 | 0.13 |
| SSDg in medical chart | 19 (16%) | 17 (32%) | χ2 = 5.56 | 1 | 0.02 |
| Cocaine use in medical chart | 98 (82%) | 38 (68%) | χ2 = 4.15 | 1 | 0.04 |
| Heroin use in medical chart | 53 (44%) | 25 (45%) | χ2 = 0.00 | 1 | 0.95 |
| Marijuana use in medical chart | 26 (22%) | 11 (20%) | χ2 = 0.09 | 1 | 0.76 |
| Veteran | 37 (31%) | 22 (39%) | χ2 = 1.22 | 1 | 0.27 |
a
Initiated treatment = completed two intake assessment visits.
b
Recent cocaine, heroin, and marijuana use and age not available for 75 of the 251 eligible participants.
c
Two assessments separated by about a week.
d
Degrees of freedom.
e
Variables with p-value < 0.10 to be entered into multivariate model for predicting completion of intake.
f
There were 19 missing values for Education; 9 missing values for Marital history.
g
SSD = schizophrenia spectrum disorder.