Table 5
The uneven distribution of recorded delinquent activity among offenders

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Table 5a
The uneven distribution of recorded delinquent activity among offenders, 1987 cohort
  Mean number of incidents Percent of incidents Percent of offenders
All incidents
One-time offenders (1 incident) 1.00 26.3 63.4
Repeat offenders (2 to 4 incidents) 2.55 27.9 26.4
Chronic offenders (5 or more incidents) 10.76 45.8 10.2
All offenders 2.41 100.0 100.0
Total number ... 91,491 38,009
Standard deviation (weighted) 4.47 ... ...
Gini index (unweighted) 0.49 ... ...
Substantive incidents
One-time offenders (1 incident) 1.00 30.6 63.9
Repeat offenders (2 to 4 incidents) 2.40 31.8 27.7
Chronic offenders (5 or more incidents) 9.34 37.6 8.4
All offenders 2.09 100.0 100.0
Total number ... 79,436 38,009
Standard deviation (weighted) 3.50 ... ...
Gini index (unweighted) 0.45 ... ...
Data source: Statistics Canada, Canadian Centre for Justice Statistics, Incident-Based Uniform Crime Reporting (UCR2) Survey, Linked 11-year data file.
Table source: Statistics Canada, 2007, The development of police-reported delinquency among Canadian youth born in 1987 and 1990, Catalogue no. 85-561-MWE2007009.


Table 5b
The uneven distribution of recorded delinquent activity among offenders, 1990 cohort
  Mean number of incidents Percent of incidents Percent of offenders
All incidents
One-time offenders (1 incident) 1.00 42.3 73.5
Repeat offenders (2 to 4 incidents) 2.48 30.6 21.5
Chronic offenders (5 or more incidents) 9.27 27.1 5.1
All offenders 1.74 100.0 100.0
Total number ... 31,588 18,190
Standard deviation (weighted) 2.51 ... ...
Gini index (unweighted) 0.37 ... ...
Substantive incidents
One-time offenders (1 incident) 1.00 45.4 73.5
Repeat offenders (2 to 4 incidents) 2.39 32.8 22.3
Chronic offenders (5 or more incidents) 8.25 21.7 4.3
All offenders 1.62 100.0 100.0
Total number ... 29,424 18,181
Standard deviation (weighted) 2.02 ... ...
Gini index (unweighted) 0.34 ... ...
Data source: Statistics Canada, Canadian Centre for Justice Statistics, Incident-Based Uniform Crime Reporting (UCR2) Survey, Linked 11-year data file.
Table source: Statistics Canada, 2007, The development of police-reported delinquency among Canadian youth born in 1987 and 1990, Catalogue no. 85-561-MWE2007009.