… in estimating and comparing substance use and related burden … illicit drug use was
defined as use of a substance where consumption has been prohibited by international drug …

… As a result, it is necessary to make indirect estimates, involving estimates of the prevalence
of illicit drug use. However, it is difficult to make even indirect estimates because the …

… substance use and its potential consequences at individual worksites (2). In this paper, we
examine the prevalence of smoking, alcohol use, illicit drug use, and prescription drug misuse …

… To minimize confusion, we define “drug use” as the intake of a licit substance (used without
… or illicit substance, and we define “drug abuse” as “the intake of a chemical substance under …

… prevalence from 5% to 9.5%. The prevalence of substance use and misuse in ID is highly …
whether prevalence rates are higher, lower, or equivalent in ID versus non-ID samples. The …

… tions between illicit drug use and the use of alcohol and … between the use of alcohol, tobacco
and illicit drugs. Research has … between the use of licit and illicit drugs arises through the …

… current levels of regular cigarette, alcohol and illicit drug use in adolescents in light of …
their use, and extent of use, of psychotropic substances (cigarettes, alcohol and illicit drugs). …

… The goal of the current study was to describe prevalence of substance use across multiple …
in prevalence and patterns of use. We aimed to: (1) describe lifetime use, recent use (eg, past …

… : depression, alcohol dependence), and illicit drug use is linked to … with injection (eg HIV),
to suicide and to drug use disorders. … For illicit drugs, it is difficult to record prevalence per se …

… We discuss findings from systematic reviews of the prevalence of illicit drug use and … illicit
drugs. We discuss findings from systematic reviews of data for the prevalence of illicit drug use …