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EV0504

Eating disorders and their association with suicidal behavior and non-suicidal self-injury among hospitalized adolescents in Bogotá, Colombia

EATING DISORDERS AND THEIR ASSOCIATION WITH SUICIDAL AND NON-SUICIDAL SELF-INJURY BEHAVIORS IN HOSPITALIZED ADOLESCENTS IN BOGOTA, COLOMBIA

Suicidal behavior was identified in 74.3% of adolescents receiving inpatient treatment for eating disorders, and non-suicidal self-injury in 62.9%; these rates were substantially higher than global outpatient averages.

The aim was to assess the associations between sociodemographic and clinical variables and suicidal behavior (SB) and non-suicidal self-injury (NSSI) among adolescent inpatients diagnosed with eating disorders across two levels of care. This observational, retrospective, cross-sectional, multicenter study used REDCap for standardized data extraction from the medical records of two institutions covering 2018–2023; the sample comprised adolescent inpatients aged 12–17 with ICD-10 diagnoses F50.0–F50.9 and F98.2 (high-complexity hospital n=58, 41.4%; mental health unit n=82, 58.6%). Of the sample, 92.1% were female, the mean age was 14.45 years, and 89.3% were secondary school (bachillerato) students. The clinical profile included comorbid mood disorders (such as depression) in 75%, a history of trauma in 58.6%, psychological violence in 40%, physical violence in 38.6%, and sexual violence in 34.3%. Suicidal behavior (ideation, planning, or attempts) was present in 74.3% of participants, NSSI in 62.9%, and both in 56.4%; 42.1% had suicidal ideation, 27.1% had a life-threatening suicide attempt, and cutting was the predominant method of NSSI. The diagnostic distribution was 57.8% other/unspecified eating disorder (EDNOS), 31.4% anorexia nervosa, and 10.7% bulimia nervosa; the risk of suicidal ideation was 60% in bulimia nervosa, 43.2% in other eating disorders, and 34.1% in anorexia nervosa. The authors note that the co-occurrence of eating disorders, mood disorders, and trauma exacerbates emotional dysregulation, that NSSI as a maladaptive coping strategy can escalate to fatal suicide attempts, and that integrated adolescent mental health care pathways prioritizing early trauma-focused care are needed.

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