Table 1.

Participant characteristics.

Group	Whole sample	OAa+SRb	SR only
Participants, n (%)	188	102 (54%)	86 (46%)
Female, n (%)	114 (60.6%)	62 (61%)	52 (61%)
Age in years, mean (SD)	44.3 (10.9)	45.3 (10.7)	43 (10.6)
White, n (%)	170 (90.4%)	94 (92.2%)	76 (88.4%)
Education in years, mean (SD)	16.1 (2.4)	17.7 (2.2)	15.9 (2.5)
BSIc total, mean (SD)	17.4 (12.9)	15.7 (13.1)	19.4 (12.5)
AUDITd, mean (SD)	24.7 (8.1)	24.6 (8.1)	24.8 (8.1)
InDuCe Lifetime, mean (SD)	31.0 (7.2)	30.8 (6.7)	31.3 (7.7)
InDuC Recent, mean (SD)	41.4 (17.9)	40.6 (17.1)	42.2 (19.1)

^aOA: Overcoming Addictions.

^bSR: SMART Recovery.

^cBSI: Brief Symptom Inventory.

^dAUDIT: Alcohol Use Disorders Identification Test.

^eInDuC: Inventory of Drug Use Consequences.