J Korean Neuropsychiatr Assoc.  2021 Feb;60(1):78-85. 10.4306/jknpa.2021.60.1.78.

Influence of Adult Attention-Deficit/Hyperactivity Disorder and Insomnia on Risk of Minor Injury: Prospective Observation Study

  • 1Department of Psychiatry, Yonsei University Wonju College of Medicine, Wonju, Korea
  • 2The 9th Infantry Division, Republic of Army, Goyang, Korea
  • 3Department of Psychiatry, Seoul National University Graduate School, Seoul, Korea


This study examined the influence of adult attention-deficit/hyperactivity disorder (ADHD) and insomnia on the risk of unintentional minor musculoskeletal injuries (UMMI).
A prospective observational study was carried out in a single unit of the army in South Korea. One hundred and seventy-seven subjects participated in the study. The Adult ADHD SelfReport Scale (ASRS-v1.1) and Insomnia Severity Index (ISI) was used to screen. The risk of UMMI during one-week winter ranger training was investigated.
All subjects were male and aged 21.75 (standard deviation 1.5). Approximately 9.6% of subjects had clinically relevant adult ADHD symptoms. Subjects with ADHD had a higher stress index and higher rates of insomnia than those without symptoms. After adjusting for age, rank, service months, obesity, history of UMMI, sleep time, and risk of the task, the ADHD group was 4.90 times more likely to have UMMI than the control group. Insomnia increased the risk of UMMI 8.14 fold.
These results suggest that an evaluation and intervention for adult ADHD and insomnia should be made in people engaged in other tasks that may result in UMMI.


Attention deficit disorder with hyperactivity; Insomnia; Injury
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