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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Drug Alcohol Depend. 2021 May 21;225:108750. doi: 10.1016/j.drugalcdep.2021.108750

Figure 1. Prevalence of Methamphetamine Use within Populations Who Use Other Drugs.

Figure 1.

Plotted are prevalence estimates and 95% confidence intervals for past month (top) and past year (bottom) methamphetamine use for the population of people who used other drugs and classes in the past month (top) or past year (bottom). Estimates of methamphetamine use are plotted for the population of people reporting heroin use (red dotted lines/circles) as well as use of other drug types (black lines/other symbols). Data are demarcated into 2006-2014 and 2015-2019 blocks due to question changes that preclude direct comparison. NM = non-medical use.