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Table 1 Demographic characteristics of participants at baseline by intervention group

From: Brief alcohol intervention in a psychiatric outpatient setting: a randomized controlled study

Variable Minimal intervention n = 68 (%) Brief intervention (BI) n = 82 (%) Total n = 150 (%)
Female/male, n (%) 44/24 (65/35) 54/28 (66/34) 98/52 (65/35)
Mean age ± SD 32.2 ± 12.3 28.8 ± 10.7 30.7 ± 11.7
Mean AUDIT score ± SD 11.2 ± 3.7 10.7 ± 3.4 10.9 ± 3.5
Mean number of drinks the previous week ± SD 6.5 ± 8.7 6.3 ± 7.2 6.4 ± 7.9
Readiness to change stage:
Precontemplation 23 (33.8) 31 (37.8) 54 (36.0)
Contemplation 27 (39.7) 29 (35.4) 56 (37.3)
Action 14 (20.6) 20 (24.4) 34 (22.7)
Not known 4 (5.9) 2 (2.4) 6 (4.0)
Employment status:
Work or study 47 (69.1) 47 (57.3) 94 (62.7)
Work training 6 (8.8) 7 (8.5) 13 (8.7)
Unemployed/parental leave 5 (7.4) 9 (11.0) 14 (9.3)
Sick leave 10 (14.7) 19 (23.2) 29 (19.3)
Primary diagnosis:
Mood disorder 26 (38.2) 27 (32.9) 53 (35.3)
Anxiety disorder 27 (39.7) 25 (30.5) 52 (34.7)
ADHD/autism spectrum 10 (14.7) 13 (15.9) 23 (15.3)
Personality disorder 2 (2.9) 9 (11.0) 11 (7.3)
Anorexia 1 (1.5) 4 (4.9) 5 (3.3)
Other 2 (3.0) 4 (4.9) 6 (4.0)