Substance initiation sequences among Taiwanese adolescents using methamphetamine

Abstract  The aim of this study was to examine substance initiation sequences in Taiwanese adolescent methamphetamine (MAMP) users. Three hundred adolescent MAMP users were questioned about their use of cigarettes, alcohol, areca quid, benzodiazepine, glue, marijuana, MAMP and heroin. The sequences of substance use before MAMP use were determined in every subject according to their age at substance initiation. The sequences of substance initiation were compared between genders and between early‐onset and late‐onset MAMP users. The results revealed that the adolescents had used cigarettes, alcohol and areca quid before MAMP, and very few (4%) adolescents had started using MAMP before using other substances. Female MAMP users were more likely to use MAMP as their first substance and were less likely to use areca quid than males. Male early‐onset MAMP users were more likely to drink alcohol and chew areca quid before MAMP use than were late‐onset users. This study found that the sequences of substance initiation were different between genders and between the early‐onset and late‐onset MAMP users. There are several findings that are different from those in Western studies on the sequence of substance initiation in the adolescent population.

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