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. 2015 Aug 4;51(2):154–163. doi: 10.1093/alcalc/agv084

Table 3.

Random effect model coefficients for change in drinking between baseline and 3- and 12-month follow-up for the total sample (N = 620 at baseline)a

Interceptb (assess at baseline) Group effect at baseline (intervention vs assess) Time effect (3-month vs baseline) Time effect (12-month vs baseline) Interaction (3-month × intervention) Interaction (12-month × intervention)
Primary outcomes
 Days of 5+/4+ men/women last 28-day 0.69 (0.11) 0.03 (0.06) −0.43 (0.06)*** −0.26 (0.06)*** −0.12 (0.08) −0.27 (0.08)***
 Any RAPS4 positive last 3 months −1.15 (0.42) 0.14 (0.23) −0.95 (0.23)*** −1.74 (0.27)*** −0.36 (0.34) −0.12 (0.37)
Secondary outcomes
 No. of drinking days per week last 28-day 0.40 (0.06) 0.03 (0.04) −0.19 (0.03)*** −0.01 (0.03) −0.09 (0.05) −0.17 (0.05)***
 Drinks per drinking day last 28-day 1.36 (0.11) 0.001 (0.07) −0.55 (0.06)*** −0.63 (0.06)*** −0.17 (0.09) −0.18 (0.09)*
 Maximum drinks last 28-day 1.56 (0.12) 0.02 (0.07) −0.64 (0.07)*** −0.65 (0.07)*** −0.22 (0.10)* −0.24 (0.10)*
 SIPs + 6 count last 3 months 1.02 (0.11) −0.03 (0.06) −0.58 (0.06)*** −0.60 (0.06)*** −0.12 (0.08) −0.11 (0.08)

aAll drinking outcome variable were log-transformed, except for any RAPS4 positive.

bSignificant tests not shown for intercepts.

P < 0.10, *P < 0.05, ***P < 0.001.