75% of detainees interviewed and drug tested by DUMA tested positive to at least one type of drug at time of detention.
In 2016, 24% of detainees self-reported using cannabis in the 48 hours before detention while 22% self-reported using methamphetamine. Only 2% reported using either heroin or ecstasy.
Over half of detainees interviewed and drug tested by DUMA in 2016 tested positive to methamphetamine.
Detainees in 2016 drank an average of 20 standard drinks on their last occasion of drinking.Find out more
A fifth of detainees said alcohol contributed to their detention for a violent offence.
28% of detainees attributed their current detention to methamphetamine use compared with 8% for cannabis use and 3% for heroin use.
In 2016, Indigenous detainees were equally likely to test positive to cannabis (50%) or methamphetamine (47%). Non-Indigenous detainees were more likely to test positive for methamphetamine (52%) than cannabis (42%).
The majority of detainees in 2016 were male (83%), had a secondary-level education (57%), lived in stable housing (84%) and were unemployed (58%) at the time of detention in 2016.