Table 1 Baseline demographics of PWID

Age, median

37

Male, n (%)

124 (67.0%)

Aboriginal and/or Torres Strait Islander (ASTI), n (%)

8 (4.3%)

Blood borne viruses, n (%)

HIV

1 (0.5%)

Hep B sAg pos

1 (0.5%)

Hep C antibody pos

Hep C antibody pos (2010–2015)

Hep C antibody pos (2016–2021)

106/185 (57.3%)

47/83 (51.8%)

59/102 (57.8%)

Hep C PCR pos

Hep C PCR pos (2010–2015)

Hep C PCR pos (2016–2021)

88/185 (47.6%)

43/83 (51.8%)

45/102 (44.1%)

Primary drug of choice, n (%)

Opioid

124 (67.0%)

Amphetamine type stimulant (ATS)

69 (47.6%)

Other/unknown

13 (7.0%)