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Table 2 Motivation to change ruler scores by intervention condition and timepoint

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
  1. Motivation to change ruler scores can range from 1 to 10 points
  2. aIndependent samples t-test assessed pre-intervention motivation to change differences between conditions
  3. bGeneralized linear models assessed post-intervention motivation to change differences by condition, covarying for pre-intervention scores
  4. *Indicates significance at the p < 0.05 level