4530.0 - Crime Victimisation, Australia, 2015-16 Quality Declaration 
ARCHIVED ISSUE Released at 11:30 AM (CANBERRA TIME) 02/02/2017   
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WESTERN AUSTRALIA

HOW HAVE PERSONAL CRIME VICTIMISATION RATES CHANGED OVER TIME?

No fitted functions that met the inclusion criteria were identified for physical assault, face-to-face threatened assault or non face-to-face threatened assault in Western Australia.

VICTIMISATION RATES, Selected personal crimes, Western Australia, 2008–09 to 2015–16
Graph: shows data points for victimisation rates in Western Australia for all personal crimes
Australian Bureau of Statistics
© Commonwealth of Australia 2017.


Source(s): Crime Victimisation, Australia


HOW HAVE HOUSEHOLD CRIME VICTIMISATION RATES CHANGED OVER TIME?

The fitted function analysis showed a decline in the victimisation rate for malicious property damage in Western Australia since 2008–09. Victimisation rates for attempted break-in and other theft have generally declined, although these have now plateaued. No fitted functions that met the inclusion criteria were identified for break-in, motor vehicle theft and theft from a motor vehicle.

VICTIMISATION RATES, Selected household crimes, Western Australia, 2008–09 to 2015–16(a)(b)
Graph: shows data points for victimisation rates in Western Australia for all household crimes and fitted functions for attempted break-in, malicious property damage and other theft
Australian Bureau of Statistics
© Commonwealth of Australia 2017.


Footnote(s): (a) The fitted functions used to analyse patterns of change in victimisation rates over time have not taken into account the survey error associated with the annual victimisation rates. This is expected to have limited impact on the analysis, as only survey estimates with RSEs of 15% or less were included in the analysis. For further information on survey error refer to the Technical Note. (b) Fitted functions are: attempted break-in is a polynomial function with equation y = 0.0702x2 - 0.7536x + 5.3 R2 = 0.862; malicious property damage is a logarithmic function with equation y = -3.193ln(x) + 14.57 R2 = 0.9625; other theft is a polynomial function with equation y = 0.0881x2 – 0.9929x + 6.1464 R2 = 0.8894.
Source(s): Crime Victimisation, Australia