Purpose: This study examined the characteristics of adult men with attention-deficit/hyperactivity disorder (ADHD) on social outcomes with particular focus on social function in the context of military service.
Subjects and methods: Eighty-nine adult male outpatients diagnosed with ADHD in adulthood were included in this retrospective chart review study. Participants were divided into two groups: "military service group (MS)" (those who had completed military duty) and "nonmilitary service group (NMS)" (those who were exempted from conscription or engaged in public service). MS included 50 subjects and NMS included 39 subjects. The age at first ADHD diagnosis, intelligence quotient (IQ), occupation, and psychiatric comorbidities were compared between the two groups.
Results: The age at first diagnosis, IQ, and number of employed participants were significantly higher in MS than in NMS. NMS had significantly more psychiatric comorbidities than those in MS. In both groups, depression was the most common psychiatric comorbidity. Logistic regression analysis showed that the subjects' IQ, psychiatric comorbidity, and age at first diagnosis were determinants of military duty completion.
Conclusion: The results strongly suggested that IQ and psychiatric comorbidities are the most crucial factors affecting military service in male adults with ADHD, independent of ADHD.
Keywords: ADHD; army; mandatory; occupation.