Table 3.

Rates of Any Alcohol-related Discussion or Advice by Firm

	Intervention Firm	Control Firm	Total	P Value*
Rates of any alcohol-related discussion, n (%)
As a proportion of all taped visits	22/27 (81.5)	17/41 (41.5)	39/68 (57.4)	.001
As a proportion of patients taped	15/17 (88.2)	14/30 (46.7)	29/47 (61.7)	.005
Mean proportion of visits per provider†	— (82.4)	— (39.6)	— (52.2)	.026
Mean proportion of visits per patient per provider†	— (81.3)	— (38.4)	— (51.0)	.027
Rates of any alcohol-related advice, n (%)
As a proportion of all taped visits	9/27 (33.3)	5/41 (12.2)	14/68 (20.6)	.035
As a proportion of patients taped	7/17 (41.2)	5/30 (16.6)	12/47 (25.5)	.087
Mean proportion of visits per provider†	— (29.2)	— (20.8)	—(23.3)	.643
Mean proportion of visits per patient per provider†	— (30.3)	— (18.1)	— (21.8)	.510

^*Two-tailed χ² or Permutation t test.

^†Five providers were in the Intervention firm; 12 were in the Control firm.