The comparison of prevalence of personality disorders among individuals with substance abuse, regression to abuse and ordinary people

Personality disorders are heterogeneous set of disorders that code in axis II of DSM-IV-TR and they are as stable models of internal behavior and experience that conflict with cultural expects significantly. The present study aimed to compare prevalence of personality disorders among individuals with substance abuse, regressed to abuse and ordinary people. Statistic sample of this research includes all of the men of Mianeh city in 2014, sample group consists of 300 persons (100 cases with substance abuse among who referred to treatment centers, 100 people who abuse drug again and 100 ordinary individuals). The cases selected via convenient sampling method. The research instrument was Millon Clinical Multiaxial Inventory-3. Data analyzed through multivariable variance analysis. There is a significant difference between abusers and ordinary people in personality disorders such as schizoid, depression, anti social, aggressive (sadism), obsessive (compulsive) and schizotype disorders. Also, there is significant difference between people with regression to abuse substance and ordinary people, in addition between substance abusers and those with regression to abuse substance in all of the personality disorders (P<0.05). According to the research findings, the main role of personality disorders can relate to tendency to substance abuse and regression to addiction.