Stigma, discrimination and crystal methamphetamine (‘ice’): Current attitudes in Australia

•Stigma surrounding crystal methamphetamine was common in this sample.•Many people experience discrimination because of crystal methamphetamine use.•People who haven't used crystal methamphetamine are more likely to stigmatise.•Self-stigma is also evident among people who have used crystal methamphetamine.•Accurate knowledge about crystal methamphetamine is associated with less stigma. Crystal methamphetamine attracts an elevated level of negative attention in Australia and internationally, however there is a paucity of research into stigma and discrimination surrounding this drug. This study aimed to investigate and compare levels of public stigma, self-stigma and discrimination surrounding crystal methamphetamine use in a large sample of Australian residents. A cross-sectional online survey, open to all Australian residents aged 18 years and over, was conducted from November 2018 to March 2019 examining stigmatising attitudes towards people who use crystal methamphetamine. Respondents also reported any personal history of crystal methamphetamine use and experiences of discrimination. Multiple linear regression examined whether prior crystal methamphetamine use was associated with holding stigmatising attitudes. Covariates included in the analysis were presence of a family member or friend who uses crystal methamphetamine, knowledge about crystal methamphetamine, gender, age and region. A total of 2108 Australian participants completed the study (mean age = 36.3 years; 59% females; 27% had used crystal methamphetamine). Many participants reported being discriminated against because of their crystal methamphetamine use. Stigmatising attitudes were prevalent, particularly among those who hadn't used crystal methamphetamine (p