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Example of reoffending measure with a rolling 12 month cohort.

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Presentation on theme: "Example of reoffending measure with a rolling 12 month cohort."— Presentation transcript:

1 Example of reoffending measure with a rolling 12 month cohort

2 Why a rolling 12 month cohort? A rolling cohort will allow results from a full years cohort to be produced four times a year. Getting more timely information to the front line. A new 12 month cohort will start every quarter.

3 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 Offenders enter cohort A: January – December 2009 Offenders enter cohort B: April 2009-March 2010 June Reports October 2011 Reports Janaury 2012 Offenders enter cohort C: July 2009 – June 2010 Offenders enter cohort D: Oct 2009 – Sept 2010 Offenders enter cohort E: January – December 2010 Reports May 2012 Reports August 2012 Cohort A: reoffending tracked over 12m Cohort B: reoffending tracked over 12m Cohort C: reoffending tracked over 12m Cohort D: reoffending tracked over 12m Cohort E: reoffending tracked over 12m

4 January Meet Jonny… Jonny is 15 and not known to the youth justice system in January 2009 when Cohort A starts.

5 February 2009 In February 2009 he gets into a fight with a friend and ends up assaulting the police officer who tries to break it up. For this, Jonny receives a police reprimand and enters the reoffending cohort for 2009 (Cohort A).

6 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 Cohort A Feb 2009: Jonny assaults a police officer and enters Cohort A with a reprimand June Index offence for Cohort A

7 June 2009 In June 2009 Jonny wants to get his mother a birthday present but has no money. So he steals some flowers from a florist and gets caught. Jonny gets a final warning. Jonny has now reoffended and this counts as the 1 st reoffence in Cohort A. Because this offence occurs in a new quarter than the one he was first identified in, he now also enters Cohort B.

8 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 Cohort A Cohort B Feb 2009: Jonny assaults a police officer and enters Cohort A with a reprimand June 2009 Jonny steals from a shop, 1 st reoffences in Cohort A (gets final warning) Jonny enters Cohort B with a final warning June Index offence for Cohort B

9 November 2009 In November 2009 Jonny is persuaded by some friends to help with a burglary. The neighbours hear a noise and call the police, Jonny is caught at the scene. Jonny goes to court for the first time and gets a referral order. Jonny has now reoffended again and this counts as his 2 nd reoffence in Cohort A and his 1 st reoffence in Cohort B. He now also enters Cohort C.

10 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 Cohort A Cohort B Feb 2009: Jonny assaults a police officer and enters Cohort A with a reprimand June 2009 Jonny steals from a shop, 1 st reoffences in Cohort A (gets final warning) Jonny enters Cohort B with a final warning Nov 2009 Jonny is caught in a burglary, 2 nd reoffences in Cohort A. Gets a referral order 1 st reoffences in Cohort B June Cohort C Jonny enters Cohort C with a referral order Index offence for Cohort C

11 February 2010 – Jonny tracked for 12 months after his first offence Jonny entered Cohort A in February 2009 with an index offence of assaulting a police officer. During the following 12 months Jonny had two more offences for theft and burglary. When the reoffending results for Cohort A are calculated Jonny is included in the cohort and has two reoffences.

12 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 Cohort A Feb 2009: Jonny assaults a police officer and enters Cohort A with a reprimand June 2009 Jonny steals from a shop, 1 st reoffences in Cohort A (gets final warning) Nov 2009 Jonny is caught in a burglary, 2 nd reoffences in Cohort A. Gets a referral order June Results for 2009 count show Jonny has two reoffences. 12 months after index offence

13 June 2010 – 12 months after Jonny entered Cohort B Jonny entered Cohort B in June 2009 with an index offence of theft (flowers). During the following 12 months Jonny had one more offence for burglary. When the reoffending results for Cohort B are calculated Jonny is included in the cohort and has one reoffence.

14 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 Cohort B Jonny enters Cohort B with a final warning 1 st reoffence in Cohort B June Results for 2009/10 count show Jonny has one reoffence.

15 June 2010 In June 2010, it is Jonny’s mum’s birthday again, this year he wants to get her perfume but has no money so he steals from a shop and gets caught. Jonny goes to court for the second time and gets a YRO. Jonny has now reoffended again and this counts as his 1 st reoffence in Cohort C. He now also enters Cohort D

16 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 June Cohort C Nov 2009 Jonny commits burglary and enters Cohort C with a referral order Jun 2010 Jonny gets a YRO for theft, 1 st reoffence in Cohort C Jonny enters Cohort D with a YRO Index offence for Cohort D Cohort D

17 November 2010 – 12 months after Jonny entered cohort C Jonny entered Cohort C in November 2009 with an index offence of burglary. During the following 12 months Jonny had one more offence for theft (perfume). When the reoffending results for Cohort C are calculated Jonny is included in the cohort and has one reoffence.

18 June 2011 – 12 months after Jonny entered cohort D Jonny entered Cohort D in June 2010 with an index offence of theft (perfume). During the following 12 months Jonny had no further offences. When the reoffending results for Cohort D are calculated Jonny is included in the cohort but not in the reoffending figures as he did not reoffend.

19 Jan 2009 Dec 2009 Jan 2010 Dec 2010 Jan 2011 Mar 2011 Mar 2009 Apr 2010 Cohort A Cohort B June 2010 Results for Cohort A show Jonny has reoffended and has two reoffences in the period. Results for Cohort B show Jonny has reoffended and has one reoffences in the period Cohort C Cohort D Results for Cohort C show Jonny has reoffended and has one reoffences in the period. Results for Cohort D show Jonny has not reoffended. Jonny as a unique young person is counted differently in different cohorts. However each cohort gives figures for what happened in the 12 months since Jonny entered each cohort. This method allows reoffending to be reported four times a year, rather than just once, reducing the lag for information. October 2011 Janaury 2012 May 2012 August 2012


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