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

Table 2.

Drinking outcomes at 3- and 12-month follow-up, for assessment and intervention groups, separately

	3-month			12-month
	Assessed	Intervention	P-value^a	Assessed	Intervention	P-value^a
N	237	223	P-value^a	243	231	P-value^a
Primary outcomes
Days of 5+/4+ men/women last 28-day, mean (SD)	1.66 (3.32)	1.17 (2.12)	0.087	2.43 (4.19)	1.46 (2.95)	0.001
Any RAPS4 positive last 3 months, %	23.6	19.7	0.311	14.4	14.3	0.971
Secondary outcomes
No. of drinking days per week last 28-day, mean (SD)	0.72 (1.06)	0.56 (0.92)	0.066	1.13 (1.31)	0.82 (1.21)	0.003
Drinks per drinking day last 28-day, mean (SD)	3.90 (4.51)	3.10 (3.88)	0.065	3.08 (3.02)	2.65 (3.13)	0.040
Maximum drinks last 28-day, mean (SD)	5.08 (5.91)	3.90 (4.87)	0.044	4.75 (5.20)	4.06 (5.50)	0.035
SIPs + 6 count last 3 months, mean (SD)	1.55 (2.95)	0.91 (2.02)	0.011	1.35 (2.46)	1.10 (2.46)	0.047

^aAll continuous measures (all variables except for RASP4 positive) were log-transformed for t-test; Chi-square test was used for RAPS4 positive.