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. Author manuscript; available in PMC: 2012 Jun 18.
Published in final edited form as: Crime Delinq. 2005 Oct 1;51(4):447–469. doi: 10.1177/0011128704273580

Table 3.

Analysis of Group Differences and Group by Time Interactions (N=109)

At 6 Months At 12 months
Measure Odds Ratio P-value Odds Ratio P-value Group
P-value		 GroupxTime
P-value		 Treatment
in past 30
days		 Incarcerated
in past 30
days
Alcohol 1.07 (0.36, 3.24) 0.9005 0.92 (0.30, 2.81) 0.8815 0.7523 0.7934 0.1693 0.4206
Drug 1.84 (0.57, 5.92) 0.3089 0.92 (0.30, 2.87) 0.8864 0.3468 0.6806 0.2887 0.1446
Employment 0.83 (0.30, 2.27) 0.7183 1.46 (0.59, 3.66) 0.4135 0.5066 0.5052 0.5302 0.02911
Legal 1.74 (0.63, 4.86) 0.2869 1.01 (0.36, 2.85) 0.9892 0.8851 0.3967 0.0524 0.00012
Medical 0.46 (0.19, 1.13) 0.0903 1.12 (0.45, 2.81) 0.8091 0.6783 0.2004 0.5212 0.9852
Psychological 0.97 (0.39, 2.45) 0.9557 1.62 (0.56, 4.70) 0.3749 0.5231 0.7215 0.9716 0.0565
Social 0.55 (0.22, 1.37) 0.1979 0.90 (0.36, 2.24) 0.8134 0.9688 0.0904 0.9572 0.4561
At 6 months At 12 months
Measure Mean Difference*
(95% CI)		 P-value Mean Difference
(95% CI)		 P-value Group
P-value		 GroupxTime
P-value		 Treatment
past 30
days		 Incarcerated
past 30 days
BDI 0.41 (−3.17, 4.00) 0.8197 2.02 (−1.58, 5.61) 0.2691 0.5992 0.5291 0.0597 0.03154
BSI 0.039 (− 0.27, 0.35) 0.8052 0.17 (−0.14, 0.47) 0.2774 0.2900 0.7203 0.0589 0.5419
Social
Support		 −1.67 (− 5.86, 2.52) 0.4313 −2.06 (− 6.15, 2.03) 0.3207 0.3725 0.7918 0.00273 0.01925
1

Odds Ratio, 95% CI = 2.29 (1.11, 4.72)

2

Odds ratio, 95% CI = 8.39 (3.45, 20.4)

3

Estimate (95% CI) = 3.82 (1.35, 6.30)

4

Estimate (95% CI) = 2.62 (0.24, 4.99)

5

Estimate (95% CI) = −3.22 (−5.91, −0.53)

*

Difference (probation case management - comparison) in Least Squares Means from mixed model with current treatment, ethnicity, history of injection drug use, on probation or parole, prior treatment episodes, incarceration, history of sexual abuse, group, time and group by time effects.