J Korean Acad Child Adolesc Psychiatry.  2022 Jul;33(3):59-66. 10.5765/jkacap.220002.

Clinical Characteristics of Adolescents Hospitalized Through Emergency Room for Intentional Self-Harm or Suicide Attempts

  • 1Department of Psychiatry, Gongju National Hospital, Gongju, Korea
  • 2Department of Health Administration, Kongju National University, Gongju, Korea
  • 3Department of Neuropsychiatry, Chungbuk National University College of Medicine, Cheongju, Korea
  • 4Department of Health Management, College of Medical Sciences, Jeonju University, Jeonju, Korea


This study aimed to investigate the clinical characteristics of adolescents hospitalized through the emergency room for intentional self-harm or suicide attempts.
This retrospective study used data from the Korean National Hospital Discharge In-depth Injury Survey conducted between 2006 and 2018 for individuals aged 10–24 years. The clinical characteristics of the patients were analyzed and compared across sex and age groups using the Rao-Scott chi-square tests and multiple logistic regression analysis for complex survey data.
The most common psychiatric diagnosis was mood disorder (22.0%), and more female patients were diagnosed with it than male patients (p=0.010). The 19–24 years age group was diagnosed with mood disorder the most compared to other younger groups (p=0.012). Male patients used lethal methods more than female patients (p=0.008), and the 19–24 years age group used more drug poisoning and cutting or piercing (p<0.001) for intentional self-harm or suicide attempts than younger groups.
Adolescents hospitalized for intentional self-harm or suicide attempts showed significant differences in clinical characteristics across sex and age groups. These findings suggest that measures for preventing self-harm or suicide attempts need to be differentiated according to the sex and age of adolescents.


Adolescent; Self-harm; Suicide attempt; Inpatients; Emergency room
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