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)

Top of page### 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 syringes**Top 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 syringes**Top 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.

**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 |