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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: J Subst Abuse Treat. 2017 Jul 6;80:59–66. doi: 10.1016/j.jsat.2017.07.002

Table 2.

Outcome distributions by study condition and unadjusted effect sizes

MI
% (SD)
MAPIT
% (SD)
SAU
% (SD)
MAPIT vs SAU,
d (95% CIs)
MI vs SAU,
d (95% CIs)
Treatment Initiation 2M 18.6 (0.4) 20.0 (0.4) 10.7 (0.3) 0.41 (−0.04, 0.85) 0.36 (−0.09, 0.80)
6M 28.6 (0.5) 37.2 (0.5) 25.0 (0.4) 0.32 (−0.02, 0.66) 0.10 (−0.25, 0.45)

Heavy alcohol use 2M 22.7 (0.4) 32.6 (0.5) 25.2 (0.4) 0.20 (−0.14, 0.54) −0.08 (−0.44, 0.28)
6M 41.8 (0.5) 52.1 (0.5) 49.0 (0.5) 0.07 (−0.24, 0.38) −0.16 (−0.48, 0.15)

Marijuana use 2M 20.6 (0.4) 24.2 (0.4) 22.3 (0.4) 0.06 (−0.31, 0.42) −0.06 (−0.43, 0.32)
6M 37.4 (0.5) 43.6 (0.5) 33.0 (0.5) 0.25 (−0.07, 0.57) 0.11 (−0.22, 0.43)

Hard drug use 2M 18.6 (0.4) 20.0 (0.4) 18.4 (0.4) 0.06 (−0.33, 0.45) 0.00 (−0.39, 0.40)
6M 34.1 (0.5) 36.2 (0.5) 31.0 (0.5) 0.13 (−0.20, 0.46) 0.08 (−0.26, 0.41)