From: Preliminary study of alcohol problem severity and response to brief intervention
Variable Mean (standard deviation) | Total sample (N = 51) | Brief intervention group (n = 27) | Control group (n = 24) | Sign. (p-value) |
---|---|---|---|---|
Pre-interventiona | ||||
 Importance ruler | 4.8 (2.6) | 4.4 (2.5) | 5.3 (2.8) | 0.216 |
 Confidence ruler | 5.9 (2.6) | 5.6 (2.8) | 6.1 (2.5) | 0.509 |
 Readiness ruler | 3.5 (2.0) | 3.3 (2.0) | 3.8 (2.1) | 0.321 |
Post-interventionb | ||||
 Importance ruler | 5.5 (2.3) | 6.0 (2.2) | 5.0 (2.4) | 0.001* |
 Confidence ruler | 6.8 (2.4) | 7.1 (2.4) | 6.5 (2.5) | 0.169 |
 Readiness ruler | 4.8 (2.3) | 4.8 (2.4) | 4.8 (2.3) | 0.561 |