Abstract Objective: To estimate the number of regular and dependent methamphetamine users in Australia.

Foreword: Prisoners experience high rates of drug dependence, health problems and premature mortality. Without intervention, they often come into further contact with the criminal justice system, creating further health risk. Opioid dependence is common among prisoners, yet treatment with opioid substitution therapy (OST) may reduce or prevent morbidity, mortality and offending. Using retrospective data linkage...