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Table 5 Predictors of change in depression from baseline: 6- and 12-month outcomes (N = 236 and 219)

From: Associations between personality disorder characteristics and treatment outcomes in people with co-occurring alcohol misuse and depression

   Outcome: Change in Depression (BDI-II) at 6-months Outcome: Change in Depression (BDI-II) at 12-months
Predictor Simple correlation ∆R2 Standardized regression weight Sig. Simple correlation ∆R2 Standardized regression weight Sig.
Step 1    .245     .302   
Age .052   .026 .677 .030   .011 .868
Gender (M = 1, F = 2) -.062   .021 .730 -.100   -.009 .888
Baseline alcohol use (OTI) .165   .117 .048* .127   .096 .106
Baseline depression (BDI-II) -.397   -.454 < .001 -.415   -.451 < .001
Baseline functioning (GAF) .007   -.086 .174 .014   -.068 .292
Baseline IPDEQ:         
 Cluster A .077   .060 .377 .101   .110 .108
 Cluster B .011   .018 .798 -.022   -.032 .653
 Cluster C .144   .194 .003 .148   .187 .005
 Overall scorea .102   .215 .001 .095   .216 0.001
Treatment condition (TC) contrasts:         
 TC1: Brief vs. 10 sessions .127   .090 .135 .248   .216 < .001
 TC2: Integrated- vs. single-focused -.016   .002 .972 -.061   -.012 .840
 TC3: Alcohol- vs. depression-focused -.045   -.040 .504 -.096   -.089 .134
Step 2    .036     .059   
Interactions between cluster scores and TC contrasts (m = 9)         
 Cluster A x TC1      -.100   -.160 .015*
 Cluster A x TC2      -.143   -.166 .019*
Interactions between IPDEQ overall score and TC contrasts (m = 3)a         
 Overall score x TC2      -.107   -.138 .022*
   (R2 = 0.280)     (R2 = 0.360)   
  1. Note: IPDEQ, International Personality Disorder Examination Questionnaire. Change scores = follow-up phase minus baseline; *Trend (p < .05). aFrom a separate hierarchical regression including IPDEQ overall score (Step 1) and associated interactions (Step 2); only significant or trend level interactions are reported (m = number of interactions examined)