Table 2.

Drinking outcomes at follow-up

Measure	Site 1	Site 2	Site 3	All
	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
6 month
Number of drinking days	6.054 (9.728)	2.484 (4.441)	4.000 (5.793)	4.591 (7.819)
Number of heavy drinking days	3.464 (6.809)	1.323 (4.293)	1.607 (3.381)	2.435 (5.563)
Number of drinks per drinking day^	4.110 (3.356)	2.760 (1.758)	3.530 (3.007)	3.600 (2.935)
Maximum number of drinks in a day^	7.784 (8.456)	4.286 (2.795)	7.020 (6.476)	6.641 (6.933)
Importance of cutting down drinking (0–10)	5.732 (4.011)	5.633 (4.021)	4.893 (3.852)	5.500 (3.956)
12 month
Number of drinking days	4.729 (8.252)	3.313 (5.921)	3.862 (6.626)	4.142 (7.282)
Number of heavy drinking days	2.034 (4.874)	0.531 (0.842)	1.655 (3.298)	1.542 (3.837)
Number of drinks per drinking day^	3.870 (2.617)*	2.180 (1.006)*	3.170 (2.684)	3.170 (2.348)
Maximum number of drinks in a day^	7.230 (9.168)	3.730 (2.604)	4.780 (3.335)	5.520 (6.572)
Importance of cutting down drinking (0–10)	5.518 (3.991)	5.344 (3.907)	5.143 (3.885)	5.379 (3.911)

Note:

^{* =}significant difference between sites (p<.05). Unless otherwise noted, alcohol use items queried the prior 30 days.

^{^ =}abstinent participants treated as missing for this variable