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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Subst Abus. 2010 Jan;31(1):43–52. doi: 10.1080/08897070903442640

Table 6.

Paired samples t-tests comparing baseline CAI scales with 3-month CAI scales in the in-treatment sample

Scales n Mean SD Mean difference t p
Household Baseline 71 18.7 3.5 .13 .28 .78
3-month 71 18.6 3.0
Family Baseline 78 28.4 5.0 -.60 -1.07 .29
3-month 78 29.0 4.6
Friends Baseline 66 23.5 3.1 -.71 -1.73 .09
3-month 66 24.2 2.5
Community Baseline 101 32.2 5.5 .12 .20 .85
3-month 101 32.1 5.2