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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NORTHERN TERRITORY

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 the Northern Territory, when undertaking significance testing (comparing two time points) the victimisation rate for face-to-face threatened assault was significantly lower in 2016-17 (3.0%) compared to 2008-09 (7.6%).

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

VICTIMISATION RATES, Selected personal crimes, Northern Territory, 2008-09 to 2016-17(a)
Graph: shows data points for victimisation rates in the Northern Territory 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).
Source(s): Crime Victimisation, Australia


HOW HAVE HOUSEHOLD CRIME VICTIMISATION RATES CHANGED OVER TIME?

The fitted function analysis showed a general decline in the victimisation rate for attempted break-in and other theft in the Northern Territory since 2008-09, although these have now plateaued.

Although no fitted functions that met the inclusion criteria were identified for break-in, and malicious property damage, when undertaking significance testing (comparing two time points) the victimisation rate for break-in was significantly lower in 2016-17 (5.0%) compared to 2008-09 (7.7%), as was the victimisation rate for malicious property damage (19.6% compared to 7.3%).

No fitted functions that met the inclusion criteria were identified for theft from a motor vehicle in the Northern Territory, nor was there any significant difference in the victimisation rate for theft from a motor vehicle between 2008-09 and 2016-17.

VICTIMISATION RATES, Selected household crimes, Northern Territory, 2008-09 to 2016-17(a)(b)(c)
Graph: shows data points for victimisation rates in the Northern Territory for all household crimes (except motor vehicle theft) and fitted functions for attempted break-in and other theft
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: attempted break-in is a polynomial function with equation y = 0.1011x2 - 1.4342x + 8.981 RČ = 0.8481; other theft is a polynomial function with equation y = 0.1369x2 - 2.0174x + 10.507 RČ = 0.8936. (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).