Table 2.

Intervention uptake and satisfaction, overall and by intervention arm.

	Overall	Control	Live Call	Technology
	(n = 269)	(n = 89)	(n = 90)	(n = 90)
Counseling sessions
% completed in-person session 1	100.0 %	-	100.0 %	100.0 %
Length of session 1 (minutes), mean (95 % CI)	69.8 (68.2−71.4)	-	69.9 (67.3−72.6)	69.6 (67.7−71.6)
% completed in-person session 2	96.1 %	-	97.8 %	94.4 %
% brought helper to session 2	39.3 %	-	43.2 %	35.3 %
Length of session 2 (minutes), mean (95 % CI)	43.8 (41.9−45.7)	-	45.2 (41.8−48.6)	42.3 (40.6−44.0)
Fidelity checklist %, mean (95 % CI)	100.0 % (100.0−100.0) (n = 37)	-	100.0 % (100.0−100.0) (n = 18)	100.0 % (100.0−100.0) (n = 19)
Counseling skills %, mean (95 % CI)	95.7 % (94.2−97.3) (n = 37)	-	94.0 % (91.4−96.6) (n = 18)	97.4 % (95.7−99.0) (n = 19)
Booster sessions
# attempted per participant, mean (95 % CI)	-	-	3.2 (3.1−3.4)	23.5 (22.3−24.7)
% completed per participant, mean (95 % CI)	-		86.5 % (81.8−91.3)	44.7 % (33.4−51.1)
Length of booster calls (minutes), mean (95 % CI)	-	-	6.4 (6.2−6.6)	-
Intervention satisfaction
Client Satisfaction Questionnaire – 8, mean (95 % CI)	92.1 (91.2−93.0) (n = 254)	90.0 (88.2−91.8) (n = 85)	93.3 (91.9−94.8) (n = 83)	93.1 (91.8−94.5) (n = 86)
System Usability Scale, mean (95 % CI)	-	-	-	34.9 (34.2−35.5) (n = 86)
Thought the researchers were studying:	(n = 254)	(n = 85)	(n = 83)	(n = 86)
Ways to quit/reduce alcohol use	71.3 %	67.1 %	66.3 %	80.2 %
Ways to improve health	22.1 %	23.5 %	26.5 %	16.3 %
Ways to improve taking medications	6.7 %	9.4 %	7.2 %	3.5 %