White paper on crime 2010 Part7/Chapter1/Section3/1
Comparing the percent distribution of new inmates in 2009 for serious offenses by age group with that of all new inmates (0.2% for those younger than 20, 17.7% for those aged 20-29, 27.5% for those aged 30-39, 23.6% for those aged 40-49, 23.6% for those aged 50-64, and 7.4% for those aged 65 or older; See (1) of Subsection 4, Section 1, Chapter 4, Part 2) revealed that for homicide the proportion of those aged 65 or older was high at 11.3% and for injury causing death that of those younger than 20 was high at 7.9%, whereas that of those aged 50-64 and those aged 65 or older was low at 16.7% and 3.2%, respectively. For robbery the proportion of those aged 20-29 was remarkably high at 35.3% and that of those aged 50-64 and those aged 65 or older low at 14.5% and 3.7%, respectively. For rape the proportion of those aged 20-29 was also remarkably high at 38.7% and that of those aged 50-64 and those aged 65 or older low at 7.0% and 3.1%, respectively. For arson the proportion of those aged 50-64 and those aged 65 or older was high at 26.8% and 10.1%, respectively.
The number of new female inmates for serious offenses in 2009 was 80 (a female rate of 19.3%) for homicide, 14 (11.1% (id.)) for injury causing death, 33 (3.1% (id.)) for robbery, and 28 (14.1% (id.)) for arson (7.7% of all new inmates).
Examining the percent distribution of new inmates for serious offenses in 2009 by employment status at the time of the offense revealed that the proportion of those unemployed was 71.3% for homicide, 60.3% for injury causing death, 69.1% for robbery, and 75.8% for arson, while that for rape was low at 47.0% (67.6% of all new inmates in 2009 and 62.3% for offenses other than theft). More than half of those that committed rape were employed while the unemployment rate of those that committed arson, homicide, and robbery was quite high.
Examining the percent distribution of new inmates for serious offenses in 2009 by equivalent IQ value (estimated using psychometric tests (CAPAS)) revealed that there was no difference between new inmates for homicide, injury causing death, or robbery and all new inmates, but for rape the proportion of those with an equivalent IQ value of 100 or more was high at 14.4% (8.0 for all new inmates) while for arson the proportion of those an equivalent IQ value of less than 70 was high at 36.0% (24.1% (id.)).