Sharing rates for each state/territory were obtained from the Australian NSP Survey.54 Regression analysis determined the mean and 95% confidence intervals for the trend in sharing rates over time:

Proportion of IDUs in each state and territory who share syringes (%) (1999-2007)

Text equivalent below for Proportion of IDUs in Australia who share syringes (%) (1999-2007)Text equivalent below for Proportion of IDUs in the ACT who share syringes (%) (1999-2007)Text equivalent below for Proportion of IDUs in NSW who share syringes (%) (1999-2007)Text equivalent below for Proportion of IDUs in the NT who share syringes (%) (1999-2007)Text equivalent below for Proportion of IDUs in QLD who share syringes (%) (1999-2007)Text equivalent below for Proportion of IDUs in SA who share syringes (%) (1999-2007)Text equivalent below for Proportion of IDUs in TAS who share syringes (%) (1999-2007)Top of pageText equivalent below for Proportion of IDUs in VIC who share syringes (%) (1999-2007)Text equivalent below for Proportion of IDUs in WA who share syringes (%) (1999-2007)Text equivalent below for Proportion of Indigenous IDUs in Australia who share syringes (%) (1999-2007)

Text version of proportion of IDUs in Australia who share syringes per state and territory (%) (1999-2007)

Figures in this description are approximate as they have been read from the graph.

Mean and 95% confidence intervals for the proportion of IDUs in each state and territory who share syringes (1999-2007) consists of ten graphs:
    • Proportion of IDUs in Australia who share syringes
      • The 95% confidence interval narrows from a range of 14-22 in 1999 to 14-19 in 2003 before widening to 12-19 in 2007.
      • The mean decreases gradually from 18 in 1999 to 15 in 2007.

    • Proportion of IDUs in the Australian Capital Territory who share syringesTop of page
      • The 95% confidence interval narrows from a range of 7-42 in 1999 to 14-34 in 2003 before widening to 8-44 in 2007.
      • The mean increases gradually from 23 in 1999 to 26 in 2007.

    • Proportion of IDUs in New South Wales who share syringes
      • The 95% confidence interval narrows from a range of 17-21 in 1999 to 16-18 in 2003 before widening to 13-17 in 2007.
      • The mean decreases gradually from 19 in 1999 to 15 in 2007.

    • Proportion of IDUs in the Northern Territory who share syringes
      • The 95% confidence interval narrows from a range of 5-18 in 1999 to 4-11 in 2003 before widening to 0-10 in 2005.
      • The mean decreases gradually from 12 in 1999 to 3 in 2007.

    • Proportion of IDUs in Queensland who share syringes
      • The 95% confidence interval narrows from a range of 15-22 in 1999 to 15-19 in 2003 before widening to 12-19 in 2007.
      • The mean decreases gradually from 18 in 1999 to 15 in 2007.

    • Proportion of IDUs in South Australia who share syringes
      • The 95% confidence interval narrows from a range of 9-18 in 1999 to 12-17 in 2003 before widening to 11-19 in 2007.
      • The mean decreases gradually from 14 in 1999 to 16 in 2007.

    • Proportion of IDUs in Tasmania who share syringes
      • The 95% confidence interval narrows from a range of 3-11 in 1999 to 6-11 in 2003 before widening to 6-14 in 2007.
      • The mean decreases gradually from 7 in 1999 to 10 in 2007.

    • Proportion of IDUs in Victoria who share syringes
      • The 95% confidence interval narrows from a range of 11-21 in 1999 to 15-19 in 2003 before widening to 13-23 in 2007.
      • The mean decreases gradually from 16 in 1999 to 18 in 2007.

    • Proportion of IDUs in Western Australia who share syringes
      • The 95% confidence interval narrows from a range of 19-37 in 1999 to 19-30 in 2003 before widening to 12-29 in 2007.
      • The mean decreases gradually from 28 in 1999 to 20 in 2007.

    • Proportion of Indigenous IDUs in Australia who share syringesTop of page
      • The 95% confidence interval narrows from a range of 22-32 in 1999 to 20-25 in 2003 before widening to 14-24 in 2007.
      • The mean decreases gradually from 490 in 1999 to 370 in 2007.

The graphs also show the proportion of IDUs in each state and territory who share syringes:
ACT (%)
NSW (%)
NT (%)
QLD (%)
SA (%)
TAS (%)
VIC (%)
WA (%)
Indigenous (%)
Australia (%)
1999
29
19
7
22
17
8
19
31
27
23
2000
21
18
16
14
13
5
16
33
22
14
2001
27
16
12
17
12
8
12
27
25
17
2002
26
17
2
18
14
10
17
16
27
18
2003
27
16
14
14
13
6
16
18
17
14
2004
16
18
0
18
21
13
23
23
25
18
2005
4
15
4
16
11
6
14
31
17
16
2006
21
15
6
18
16
8
19
16
20
18
2007
47
15
4
14
16
14
19
26
18
14
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