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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Child Youth Serv Rev. 2011 Jul;33(7):1270–1279. doi: 10.1016/j.childyouth.2011.02.022

Table 2.

Mixed Effects Regression Models Predicting Externalizing Behavior Problems

Without mediator With mediator
Predictor B SE B SE
Intercept 65.96** 2.66 65.96** 2.66
Intervention group 1.90 3.44 7.96a 4.29
Time trend 1.83 1.70 1.81 1.69
Intervention time trend −4.77* 2.19 −4.36a 2.19
Understanding of intervention −4.84* 2.24

Note.

a

p < .10.

*

p < .05.

**

p < .01.

Variance component in each model included a random intercept (without Understanding of Intervention, 31.54, SE = 14.29, p < .05; with Understanding of Intervention, 24.00, SE = 12.09, p < .05).