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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: J Subst Abuse Treat. 2020 Mar 19;113:108002. doi: 10.1016/j.jsat.2020.108002

Table 4.

Mean (SD), between and within group effect size (Cohen’s d) for alcohol use outcome (out of 30 days) variables at baseline and 3-month follow-up (adjusted for baseline value) for participants who completed the follow-up assessment. Negative between-group Cohen’s d values suggest that the SFAS group reduced more and positive values suggest more reduction in HE group.

SFAS (n=21) HE (n=16) Total (n=37) Between Group (d)

Binge Episodes -Baseline 4.52 (4.76) 2.88 (3.71) 3.81 (4.40)
Binge Episodes −3M 1.20 (1.82) 1.93 (3.61) 1.51 (2.71) −.26
Binge Episodes Within Group d .92 .26 .93

Drinking Days -Baseline 6.05 (5.85) 5.75 (6.50) 5.92 (6.05)
Drinking Days – 3M 3.85 (7.85) 3.80 (5.63) 3.83 (6.89) .01
Drinking Days Within Group d .32 .32 .32

Number of Drinks -Baseline 41.93 (44.79) 30.56 (39.10) 37.01 (42.24)
Number of Drinks -3M 16.25 (25.89) 20.60 (34.23) 18.11 (29.35) −.14
Number of Drinks Within Group d . 70 .27 .52

Drinks per Drinking Day -Baseline 5.85 (5.55) 3.31 (3.56) 4.75 (4.90)
Drinks Per Drinking Day -3M 4.18 (6.10) 2.99 (4.99) 3.67 (5.60) .21
Drinks per Drinking Day Within Group d .29 .21 .21

AUD Symptoms – Baseline 7.24 (2.61) 7.81 (2.43) 7.49 (2.51)
AUD Symptoms – 3M 2.65 (3.13) 1.87 (3.02) 2.31 (3.07) .25
AUD Symptoms Within Group d 1.59 2.17 1.87

Note. 3M = 3-month follow-up. SFAS = Substance Free Activity Session. HE = Health Education