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Table 2 Effects of drug treatment court participation on two-year recidivism

From: The effects of participation level on recidivism: a study of drug treatment courts using propensity score matching

  Referred Enrolled Completed
Referred but did not enroll (T) vs. not-referred (C) Enrolled but not complete (T) vs. referred but did not enroll (C) Completed DTC (T) vs. enrolled but did not complete (C)
(Nt= Nc= 1,989) (Nt= Nc= 887) (Nt= Nc= 600)
  T (%) C (%) ATT T (%) C (%) ATT T (%) C (%) ATT
Re-arrest 73.2 71.2 2.0 66.7 75.9 −9.1** 53.3 64.5 −11.2**
  Felony 20.8 19.8 1.0 14.0 22.9 −8.9** 6.3 11.8 −5.5**
  Misdemeanor 52.4 51.4 1.0 52.8 53.0 −0.2 47.0 52.7 −5.7*
Re-arrest for a substance-related offense 31.9 31.0 0.9 24.4 35.1 −10.7** 17.3 23.0 −5.7*
  Felony 13.8 13.5 0.3 9.4 15.2 −5.9** 4.2 8.3 −4.2**
  Misdemeanor 18.0 17.4 0.6 15.0 19.8 −4.8** 13.2 14.7 −1.5
Re-arrest for a violent offense 8.5 6.8 1.7* 7.1 8.1 −1.0 4.0 6.5 −2.5
  Felony 2.1 1.6 0.5 1.6 2.1 −0.6 0.2 1.5 −1.3*
  Misdemeanor 6.5 5.2 1.3 5.5 6.0 −0.5 3.8 5.0 −1.2
  1. Note: **p < 0.01, *p < 0.05; T = treatment; C = comparison; ATT = Average treatment effect on the treated.
  2. ATTs were calculated using t-tests following propensity score matching.