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Aims
To determine whether the risk of psychotic symptoms during weeks of methamphetamine use was dependent on, increased by, or independent of having a family history of psychosis.
Design
Secondary analysis of 13 contiguous 1‐week periods of data (1370 weeks). A risk modification framework was used to test each scenario.
Setting
Geelong, Wollongong and Melbourne, Australia.
Participants
Participants...
Aims
Treatment of methamphetamine dependence requires monitoring of recent use or abstinence. Self‐report is commonly used for routine monitoring, but the accuracy of self‐report is not established. For the treating clinician, the key accuracy statistic is the negative predictive value (NPV). The study aim was to estimate the NPV of self‐reported non‐use of methamphetamine compared with an oral fluid...
Background and Aims
Past research has found that young smokers are more likely to make quit attempts; however, there are conflicting findings regarding age and quit success. This study examined the degree to which smoker age is related to making quit attempts and quit success.
Design
Ten waves of the International Tobacco Control Policy Cohort survey (ITC‐4C) collected between 2002 and 2014, with...
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