Table 1 Descriptive statistics: means and standardized differences before and after matching
Referred | Enrolled | Completed | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Referred & did not enroll (T) vs. not referred (C) | Enrolled & did not complete (T) vs. referred & did not enroll (C) | Completed (T) vs. enrolled & did not complete (C) | ||||||||||
Without matching | With matching | Without matching | With matching | Without matching | With matching | |||||||
(Nt= 2,174; Nc= 1,561,225) | (Nt= Nc= 1,989) | (Nt= 954 Nc= 2,174) | (Nt= Nc= 887) | (Nt= 747 Nc= 954) | (Nt= Nc= 600) | |||||||
T (%) | C (%) | StDif | StDif | T (%) | C (%) | StDif | StDif | T (%) | C (%) | StDif | StDif | |
Demographics | ||||||||||||
Ageŧ | 35.6 | 35.1 | 4.7 | 4.3 | 33.7 | 35.6 | −19.9 | 0.2 | 36.8 | 33.7 | 32.5 | 7.1 |
Female | 34.1 | 32.1 | 4.1 | 8.0 | 35.2 | 34.1 | 2.4 | −2.1 | 32.4 | 35.2 | −6.0 | −4.2 |
Black | 44.2 | 36.8 | 15.1 | −1.9 | 40.7 | 44.2 | −7.1 | 1.6 | 43.8 | 40.7 | 6.3 | 4.7 |
Hispanic | 0.8 | 12.3 | −47.6 | 0.0 | 0.9 | 0.8 | 1.2 | −1.1 | 2.1 | 0.9 | 9.7 | 1.3 |
Other Race | 0.6 | 3.2 | −18.8 | 5.1 | 0.6 | 0.6 | −0.2 | 1.6 | 0.5 | 0.6 | −1.2 | 0.0 |
Index Arrests | ||||||||||||
Drug & DWI | 0.6 | 0.2 | 7.2 | −3.9 | 0.7 | 0.6 | 1.7 | 6.0 | 1.6 | 0.7 | 8.1 | −7.3 |
DWI Felony | 0.3 | 0.0 | 6.4 | 0.0 | . | 0.3 | −7.4 | −4.7 | 0.3 | 0.0 | 7.3 | . |
DWI Mis. | 8.8 | 4.4 | 18.0 | 0.0 | 13.2 | 8.8 | 14.0 | 4.0 | 28.6 | 13.2 | 38.6 | 0.0 |
Drug Felony | 41.0 | 1.8 | 108.9 | 3.2 | 35.3 | 41.0 | −11.8 | −5.1 | 38.6 | 35.3 | 6.7 | 4.1 |
Drug Mis. | 8.0 | 3.0 | 22.3 | −5.2 | 6.6 | 8.0 | −5.4 | 0.4 | 5.1 | 6.6 | −6.5 | −3.4 |
Violent Felony | 1.4 | 0.5 | 8.6 | 0.4 | 0.7 | 1.4 | −6.3 | 2.7 | 0.5 | 0.7 | −2.5 | −4.1 |
Violent Mis. | 2.8 | 4.1 | −7.2 | 5.4 | 2.7 | 2.8 | −0.2 | 0.0 | 0.7 | 2.7 | −16.0 | 4.1 |
Alcohol Felony or Mis. | 0.8 | 1.8 | −8.6 | −2.1 | 0.9 | 0.8 | 1.2 | 3.0 | 0.5 | 0.9 | −4.8 | −1.9 |
Traffic | 7.9 | 72.8 | −176.4 | 1.7 | 5.6 | 7.9 | −9.2 | −4.2 | 5.0 | 5.6 | −2.7 | −2.1 |
Other Felony | 17.8 | 2.3 | 53.4 | −1.9 | 21.8 | 17.8 | 10.1 | 0.3 | 12.4 | 21.8 | −25.0 | 1.4 |
Other Mis. | 10.6 | 9.2 | 4.7 | −0.2 | 12.4 | 10.6 | 5.5 | 3.6 | 6.7 | 12.4 | −19.4 | −1.2 |
Arrest History | ||||||||||||
Drug & DWI | 1.0 | 0.2 | 10.6 | −1.5 | 1.7 | 1.0 | 5.8 | 2.0 | 1.5 | 1.7 | −1.6 | −3.8 |
DWI Felony | 0.2 | 0.0 | 5.4 | 1.8 | . | 0.2 | −6.1 | −6.7 | 0.1 | 0.0 | 5.2 | . |
DWI Mis. | 11.1 | 3.0 | 32.2 | −5.6 | 13.4 | 11.1 | 7.0 | 1.3 | 18.9 | 13.4 | 14.9 | −3.7 |
Drug Felony | 22.0 | 2.2 | 63.9 | −1.9 | 17.4 | 22.0 | −11.5 | 2.7 | 10.8 | 17.4 | −18.9 | −3.4 |
Drug Mis. | 17.1 | 3.0 | 48.3 | 0.9 | 17.7 | 17.1 | 1.6 | −2.3 | 13.1 | 17.7 | −12.7 | −0.5 |
Violent Felony | 1.0 | 0.5 | 6.5 | 2.7 | 1.3 | 1.0 | 2.3 | −3.1 | . | 1.3 | −16.0 | −16.4 |
Violent Mis. | 6.0 | 3.1 | 13.9 | 3.4 | 7.7 | 6.0 | 6.6 | 0.9 | 3.2 | 7.7 | −19.7 | 3.5 |
Alcohol Felony or Mis. | 2.0 | 1.1 | 7.3 | 3.7 | 1.7 | 2.0 | −2.6 | −0.9 | 2.3 | 1.7 | 4.3 | 1.2 |
Traffic | 16.2 | 28.0 | −28.7 | −0.3 | 17.3 | 16.2 | 2.8 | −3.5 | 22.0 | 17.3 | 11.7 | 0.0 |
Other Felony | 5.1 | 0.8 | 25.6 | 0.9 | 5.1 | 5.1 | 0.1 | 3.6 | 3.5 | 5.1 | −8.2 | 7.1 |
Other Mis. | 3.4 | 2.3 | 6.4 | −1.6 | 3.9 | 3.4 | 2.5 | −2.3 | 2.8 | 3.9 | −5.9 | 0.0 |
None | 14.8 | 55.8 | −95.0 | 2.6 | 12.9 | 14.8 | −5.6 | 2.0 | 21.8 | 12.9 | 23.7 | 6.1 |
Drug of Choice | ||||||||||||
Alcohol | 11.4 | Data Not Available | 19.6 | 11.4 | 22.9 | 38.1 | 35.1 | 19.6 | 35.2 | 3.5 | ||
Cocaine Powder | 3.4 | 8.6 | 3.4 | 22.0 | 0.8 | 7.6 | 8.6 | −3.5 | 1.2 | |||
Crack | 14.7 | 30.5 | 14.7 | 38.5 | −1.7 | 22.0 | 30.5 | −19.5 | 2.3 | |||
Marijuana | 7.0 | 14.4 | 7.0 | 24.0 | 0.7 | 15.1 | 14.4 | 2.2 | −0.4 | |||
Heroin | 5.7 | 11.0 | 5.7 | 19.1 | −0.7 | 6.8 | 11.0 | −14.7 | 2.4 | |||
Other Narcotics | 5.0 | 8.5 | 5.0 | 14.1 | −2.4 | 7.9 | 8.5 | −2.2 | 0.0 | |||
“None” or “Other” | 1.3 | 1.8 | 1.3 | 3.6 | −1.6 | 1.2 | 1.8 | −4.8 | 0.0 | |||
Missing Value | 51.5 | 5.7 | 51.5 | −117.8 | −36.7 | 4.3 | 5.7 | −6.3 | −14.9 | |||
Index Yearŧ | 2008.3 | 2008.6 | −21.3 | 1.9 | 2008.2 | 2008.3 | −10.4 | −4.1 | 2008.2 | 2008.2 | 1.5 | −4.8 |
DTC in County | 96.2 | 100.0 | −28.0 | . | 96.4 | 96.2 | 1.1 | 0.0 | 97.9 | 96.4 | 8.5 | 3.3 |