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Table 3 Alcohol and substance use at each time-point

From: Does an adapted Dialectical Behaviour Therapy skills training programme result in positive outcomes for participants with a dual diagnosis? A mixed methods study

Self-report substance use in past 30 days Yes (n) No (n) Missing/not indicated (n)
Substance use at baseline (T1)
 Alcohol ≥ 6 Unitsa 14 10 32
 Alcohol ≤ 6 Unitsb 8   
 Class A drugs 4 41 19
 Class B drugs 12 34 18
 Class C drugs 7 35 22
Substance use at post-intervention (T2)
 Alcohol ≥ 6 Unitsa 2 20 35
 Alcohol ≤ 6 Unitsb 7   
 Class A drugs 2 23 39
 Class B drugs 4 24 36
 Class C drugs 2 19 43
Substance use at follow-up (T3)
 Alcohol ≥ 6 Unitsa 4 16 44
 Alcohol ≤ 6 Unitsb 3   
 Class A drugs 1 12 51
 Class B drugs 3 11 50
 Class C drugs 0 6 58
  1. aIndicates excessive (binge) drinking levels
  2. bIndicates below excessive drinking levels
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