Table 1.
Frequency of METH associated psychosis
| Population studied | Time period | % Psychotic symptoms | Psychosis definition | Reference |
|---|---|---|---|---|
| US gay & bisexual treatment-seeking METH abuse/dependent men 18–65 years | Lifetime | 26.5% | SCID | Shoptaw et al. 2003 |
| Australian community METH users >16 years | Past Year | 13% | BPRS | McKetin et al. 2006 |
| METH dependent | 27% | |||
| Non-METH dependent | 8% | |||
| Taiwanese incarcerated adolescent METH users | Past Year | 7.5% | K-SADS-E | Yen and Chong 2006 |
| U.S. adults in treatment for METH dependence | Lifetime | 36% | MINI | Grant et al. 2007 |
| Rural | 45% | |||
| Urban | 29% | |||
| US METH dependent adults in treatment (didn’t distinguish between METH- | ||||
| induced or primary psychotic disorders) | Past or current | 12.9% | MINI | Glasner-Edwards et al. 2008 |
| Rural Australian community volunteers >16 years with METH dependence | Lifetime | 46% | Self-reported | Wallace et al. 2009 |
| U.S. community and in-treatment METH dependence | Lifetime | 45% | MEQ | Leamon et al. 2010 |
BPRS Brief psychiatric rating scale; K-SADS-E Kiddie epidemiologic version of schedule for affective disorders and schizophrenia; MEQ METHamphetamine experience questionnaire
MINI Mini-International neuropsychiatric interview; SCID Structured clinical inventory for DSM-IV