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. Author manuscript; available in PMC: 2011 May 10.
Published in final edited form as: Soc Work Res. 2009 Sep;33(3):183–192. doi: 10.1093/swr/33.3.183

Table 2.

Effects of Services on Treatment Duration and Posttreatment Substance use

Independent Variable Outcomes
Treatment Duration
Posttreatment Drug use
Coeff. SE p Coeff. SE p
Gender 0.169 0.026 <.001 −0.015 0.046 .758
Treatment duration −0.009 0.001 <.001
Access 0.036 0.015 .026 −0.010 0.026 .714
Substance abuse counseling 0.104 0.012 <.001 −0.074 0.010 .001
Ratio of matched service 0.744 0.033 <.001 −0.623 0.065 <.001
Gender × treatment duration −0.003 0.001 .018
Gender × access 0.031 0.019 .116 −0.015 0.030 .622
Gender × substance abuse counseling −0.101 0.014 <.001 0.067 0.024 .021
Gender × ratio of matched service −0.151 0.034 <.001 0.310 0.068 .001

Notes: Data are from generalized linear mixed models controlling for individual and organizational characteristics. Client characteristics included gender, age, education, health-limited work, ever beaten, number of mental health visits, pretreatment drug use, pretreatment drug or alcohol treatment, and pay source. Organizational characteristics included accreditation, treatment modality, ownership, organizational onsite service availability, and frequency of counseling. The bold p values denote statistical significance.

coeff. = coefficient.