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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Subst Abuse Treat. 2011 Feb 11;41(1):97–103. doi: 10.1016/j.jsat.2011.01.012

Table 1.

Therapist intention to achieve monthly competence

Bivariate Models
Multivariate Model
B SE t-ratio df p-value Percent Variance Explained B SE t-ratio df p-value
Condition Assignment
    Assigned to P4P condition 1.41 .30 4.66 27 <.001 20% 1.19 .32 3.73 27 .001
Theory of Planned Behavior
    Attitude .42 .17 2.46 88 .016 9% .27 .14 1.94 87 .055
    Subjective Norms .17 .10 1.62 88 .109 3%
    Control .01 .11 0.06 88 .957 0%
Percent Variance Explained = 22%

Note: All analyses were conducted using HLM software. Assigned to P4P condition was modeled at the site-level (level 2) while the theory of planned behavior measures were modeled at the therapist-level (level 1).