4530.0 - Crime Victimisation, Australia, 2016-17 Quality Declaration 
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 16/02/2018   
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SOUTH AUSTRALIA

HOW HAVE PERSONAL CRIME VICTIMISATION RATES CHANGED OVER TIME?

Although no fitted functions that met the inclusion criteria were identified for face-to-face threatened assault in South Australia, when undertaking significance testing (comparing two time points) the victimisation rate for face-to-face threatened assault was significantly lower in 2016-17 (2.2%) compared to 2008-09 (4.0%).

No fitted functions met the inclusion criteria for physical assault in South Australia, nor was there any significant difference in the physical assault victimisation rate between 2008-09 and 2016-17.

VICTIMISATION RATES, Selected personal crimes, South Australia, 2008-09 to 2016-17(a)
Graph: shows data points for victimisation rates in South Australia for physical assault and face-to-face threatened assault
Australian Bureau of Statistics
© Commonwealth of Australia 2018.


Footnote(s): (a) Data for non face-to-face threatened assault are not shown, as estimates for the number of persons experiencing non face-to-face threatened assault in the 12 months prior to interview are subject to high sampling error (for further details refer to the Technical Note).


HOW HAVE HOUSEHOLD CRIME VICTIMISATION RATES CHANGED OVER TIME?

The fitted function analysis showed a decline in the victimisation rate for break-in, attempted break-in, and theft from a motor vehicle in South Australia since 2008-09.

Although no fitted function that met the inclusion criteria was identified for other theft or malicious property damage in South Australia, when undertaking significance testing (comparing two time points) the victimisation rate for malicious property damage was significantly lower in 2016-17 (4.3%) compared to 2008-09 (11.8%), as was the victimisation rate for other theft (2.7% compared to 4.9%).

VICTIMISATION RATES, Selected household crimes, South Australia, 2008-09 to 2016-17(a)(b)(c)
Graph: shows data points for victimisation rates in South Australia for all household crimes  (except motor vehicle theft) and fitted functions for break-in, attempted break-in and theft from a motor vehicle
Australian Bureau of Statistics
© Commonwealth of Australia 2018.


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 25% or less were included in the analysis. For further information on survey error refer to the Technical Note. (b) Fitted functions are: break-in is a logarithmic function with equation y = -0.557ln(x) + 3.2481 RČ = 0.8121; attempted break in is a polynomial function with equation y = 0.0433x2 - 0.4696x + 2.9548 RČ = 0.7514; theft from a motor vehicle is a power function with equation y = 4.1296x-0.186 RČ = 0.8645. (c) Data for motor vehicle theft are not shown, as estimates for the number of households experiencing motor vehicle theft in the 12 months prior to interview are subject to high sampling error (for further details refer to the Technical Note.