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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: J Subst Abuse Treat. 2011 Feb 11;40(4):336–348. doi: 10.1016/j.jsat.2010.12.001

Table 3.

Logistic regression: Predictors of any substance use in past 30 days at 12 months post intake

Coefficient SE p value Odds Ratio 95%
Confidence
Interval of
Odds Ratio

Group status (Women Only)a −0.86 0.34 0.01 0.42 0.22—0.82
Propensity score −0.02 0.19 0.91 0.98 0.68—1.41
Any substance use in past 30 days at baselineb −0.06 0.36 0.87 1.06 0.52—2.15
Age at baseline −0.00 0.01 0.93 1.00 0.97—1.03
Ethnicityc
     African American 0.02 0.39 0.96 1.02 0.48—2.18
     Hispanic −0.08 0.45 0.85 0.92 0.38—2.21
     Multi/other 0.64 0.54 0.23 1.91 0.66—5.47
Abused sexually before age 15d 0.19 0.29 0.51 0.83 0.47—1.46
Any previous treatment at baselinee −0.01 0.35 0.99 1.01 0.51—1.99
Criminal justice funding sourcef −0.28 0.51 0.59 0.76 0.28—2.07
Primary Drug (Meth)g 0.13 0.31 0.69 1.13 0.62—2.08

NOTE: Hosmer and Lemeshow test for goodness-of-fit, p = .27.

a

compared to mixed gender

b

compared to no use

c

compared to White

d

compared to no childhood sexual abuse

e

compared to no previous treatment

f

compared to all other funding sources

g

compared to other drugs