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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Drug Alcohol Depend. 2011 Feb 8;116(1-3):177–187. doi: 10.1016/j.drugalcdep.2010.12.016

Table 3.

Analysis of Variance Results for Condition and Time Effects on Dependent Variables

Source
 df
 SS
 MS
 F value
 Effect size ή2
Adherence Between subjects
Condition 1 0.013 0.013 0.32 .008
Error 1 37 1.54 0.042
Adherence within subjects
Time 2 1.987 0.993 29.74+**** .45
Time × Condition 2 0.055 0.028 0.83+
Error 2 74 2.472 0.033
ASI Drug Composite Score Between subjects
Condition 1 0.027 0.027 2.07 .056
Error 1 35 0.462 0.013
ASI Drug Composite Score within subjects
Time 2 0.154 .0.077 12.25++**** .259
Time × Condition 2 0.005 0.003 .40++
Error 2 70 0.440 0.006
Percentage days using cocaine Between subjects
Condition 1 0.0004 .0004 .00 .001
Error 1 37 3.693 .0998
Percentage days using cocaine within subjects
Time 2 1.505 0.753 22.72+++**** .38
Time × Condition 2 0.018 0.009 0.27
Error 2 74 2.45 0.033
log VL Between subjects
Condition 1 2.530 2.530 1.32 .014
Error 1 37 70.8 1.914
log VL within subjects
Time 1 0.168 0.168 0.27 .007
Time × Condition 1 0.182 0.182 0.29
Error 2 37 23.078 0.624

Df=degrees of freedom

SS=Sums of squares

MS=Mean squares

+

values adjusted by Greenhouse Geyser Epsilon=.8963

++

values adjusted by Greenhouse Geyser Epsilon=.9008

+++

values adjusted by Greenhouse Geyser Epsilon=.6287.

*

p<.05

**

p<.01

***

p<.001

****

p<.0001