Patterns of alcohol use among men receiving treatment for heroin and/or cocaine use in England, Brazil and Spain. A cross-country analysis

Introduction: Although alcohol is widely used concurrently with illicit drugs, the role of alcohol in recovery from and relapse to drug use is under-researched. This study investigates drinking patterns and factors associated with harmful drinking among men receiving community treatment for heroin and/or cocaine use.Methods: Secondary analysis of 3 cross-sectional studies in England (n = 153), Brazil (n = 149) and Spain (n = 131) was conducted....