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Interlocked DWI Offenders Have Lower Cumulative Recidivism For Six Years After Installation

Interlocked DWI Offenders Have Lower Cumulative Recidivism For Six Years After Installation. 2010 RSA Conference Richard Roth, PhD Impact DWI and PIRE. An Ignition Interlock is an Electronic Probation Officer. Dedicated Probation Officer in Front Seat On duty 24 hours per day

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Interlocked DWI Offenders Have Lower Cumulative Recidivism For Six Years After Installation

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  1. Interlocked DWI Offenders Have Lower Cumulative Recidivism For Six Years After Installation 2010 RSA Conference Richard Roth, PhD Impact DWI and PIRE 2010 RSA Conference

  2. An Ignition Interlock is anElectronic Probation Officer • Dedicated Probation Officer in Front Seat • On duty 24 hours per day • Tests and Records daily BAC’s • Allows only Alcohol-Free Persons to Drive. • Reports All Violations to the Court • Costs Offender only $2.30 per day. (1 less drink per day) 2010 RSA Conference

  3. More and More Interlocks Are Being Used To Reduce Drunk Driving 2010 RSA Conference

  4. The New Mexico Laws • 1999-2002 Optional Judicial Mandate for 2nd and 3rd DWI • 2003-2005 Mandatory Judicial Program for 1st Aggravated and All Subsequent Offenders • 2003-2010 Indigent Fund (Judges Decide) • 2003- Administrative Program: Ignition Interlock License available for all revoked offenders with no waiting period • 2005- Mandatory For All: 1 yr for 1st; 2 yrs for 2nd; 3 yrs for 3rd; and lifetime with 5 yr review for 4 or more. • 2005- Revocation periods increased • 2009- Mandatory Interlock before unrestricted license • 2010- Objective Standard for Indigency 2010 RSA Conference

  5. 12,005 2010 RSA Conference

  6. New Mexico Leads the Nation in Using Interlocks To Reduce Drunk Driving 2010 RSA Conference

  7. Selection Criteria For Interlock Group, IG, and Comparison Group, CG. • Include only New Mexico offenders (visitors are unlikely to be re-arrested for DWI in NM) • Select range for Initial DWI Arrest dates the same for both IG and CG. (2003-2009) • Select last-date-for-possible-re-arrest to maximize use of available data (3/31/2010) • Include Available Correlates: Age, Gender, BACGroup, Priors for each offender. • Shift Index time of CG to make it equivalent to IG. 2010 RSA Conference

  8. Recidivism In the Six Years After Interlock Installation For Those Who Installed within 90 days after Conviction N 5306 1019 N 32,960 10,114 (32 day shift) (22 day shift) N 5026 382 N 11,493 2910 (36 day shift) (29 day shift) 2010 RSA Conference From 100530.spo

  9. Recidivism of Convicted Offenders While Interlocks Are Installed Multivariate HR(CG/IG) = 3.10 MultivariateHR(CG/IG) = 3.95 Multivariate HR(CG/IG) = 2.59 Multivariate HR(CG/IG) = 1.99 2010 RSA Conference From 100530.spo

  10. Recidivism of Convicted Offenders After Interlock Removal N 3751 556 N 27696 7649 Multivariate HR(CG/IG) = 0.90 95% CI 0.73-1.11 Not Significant Multivariate HR(CG/IG) = 1.14 95% CI 1.05-1.23 Highly Significant 167 3478 N 8869 1946 Multivariate HR(CG/IG) = 0.71 95% CI 0.52-0.98 Barely Significant Multivariate HR(CG/IG) = 1.09 95%CI 0.96-1.23 Not Significant 2010 RSA Conference

  11. Recidivism of Convicted First Offenders After Interlock Removal N 27696 7649 From 100528 T4 CG& IG.spo 2010 RSA Conference

  12. Interlocked First Offenders in NM have fewer re-arrests per year of exposure in the years after their first arrest. 2010 RSA Conference

  13. 2010 RSA Conference

  14. Evidence of Reductions in Drunk Driving Rates in New Mexico 2010 RSA Conference

  15. More Interlocks, Fewer Alcohol-Involved Crashes, Injuries, and Fatalities 2010 RSA Conference

  16. 2010 RSA Conference

  17. Overall DWI Recidivism Is Steadily Declining in New Mexico H.R.(2008/2002)= 0.62 38% reduction in DWI Recidivism From 100625 Recid by Year.spo 2010 RSA Conference

  18. N(CG) = 43794 N(IG) = 10318 HR(CG/IG) = 1.089 95% CI = 1.025-1.157 2010 RSA Conference

  19. Comments • NM Interlocked Offenders Have Less Recidivism in the Six Years After being interlocked. • Unmeasured correlates, such as self-selection or judicial discretion, could enhance, reduce, or eliminate the difference in recidivism rates after interlock removal. • Other measures, such as publicity, enforcement, prevention programs and a DWI Leadership Group, contributed to the overall reductions in alcohol-involved crashes, injuries, and fatalities. 2010 RSA Conference

  20. Richard Roth, PhDExecutive Director Impact DWIRichardRoth2300@msn.com Impact DWI Websites www.ImpactDWI.org .www.PEDAforTeens.org www.AlcoholTaxIncrease.org www.RothInterlock.org 2010 RSA Conference

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