Table 1

Demographic characteristics of opioid-dependent persons received to prison, New South Wales, Australia, 2000–2012 (n=16 715)

CharacteristicTotal (n=16 715)Ever received OST in prison (n=12 852)No OST in prison (n=3863)p Value
Male, n (%)13 199 (79)10 109 (78.7)3090 (80)0.07
Age (years) at first observed entry to prison, median (minimum–maximum)30 (16–64)29 (16–63)32 (17–64)<0.0001
Indigenous,* n (%)5011 (30)4208 (32.8)803 (20.8)<0.0001
Number of prison episodes, median (minimum–maximum)2 (1–34)3 (1–34)1 (1–23)<.0001
Duration (days) of prison episodes, median (minimum–maximum)71 (1–4473)77 (1–4473)46 (1–4473)<0.0001
Any receipt of OST in prison12 852 (76.9)
  • *Indigenous status missing for 10 individuals. p Values refer to the comparison between participants who did or did not receive OST in prison (χ2 test for categorical variables; Wilcoxon rank-sum test for continuous variables).

  • OST, opioid substitution therapy.