4.5 Article

Psychiatric comorbidity of eating disorders in children between the ages of 9 and 10

Journal

JOURNAL OF CHILD PSYCHOLOGY AND PSYCHIATRY
Volume 63, Issue 5, Pages 519-526

Publisher

WILEY
DOI: 10.1111/jcpp.13484

Keywords

Eating disorder; anorexia nervosa; bulimia nervosa; binge eating

Funding

  1. National Institutes of Health [U01DA041120, U01DA051038, U01DA041148, U01DA041093, U01DA041089, U24DA041123, U24DA041147]
  2. The National Institutes of Health [U01DA041048, U01DA050989, U01DA051016, U01DA041022, U01DA051018, U01DA051037, U01DA050987, U01DA041174, U01DA041106, U01DA041117, U01DA041028, U01DA041134, U01DA050988, U01DA051039, U01DA041156, U01DA041025]

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This study found high rates of comorbid psychiatric disorders in 9-10 year old children with eating disorders, particularly anxiety, attention deficit/hyperactivity disorder, and mood disorders. Clinicians should be aware of the possibility of eating disorders in this age group and the associated severe comorbidity, considering referrals for specialty mental health care.
Background Eating disorders exhibit high comorbidity with other psychiatric disorders, most notably mood, substance use, and anxiety disorders. However, most studies examining psychiatric comorbidity are conducted in adolescents and adults. Therefore, the comorbidity among children living with eating disorders is unknown. The aim of this study was to characterize co-occurring psychiatric disorders with eating disorders in a US sample of children aged 9-10 years old utilizing the Adolescent Brain Cognitive Development study. Methods The analytic sample included 11,718 children aged 9-10 years. Anorexia nervosa, bulimia nervosa, binge eating disorder, and other specified feeding and eating disorder subtype diagnoses were examined. Statistical analyses were conducted using complex sampling. Odds ratios and 95% confidence intervals were calculated comparing the likelihood of being diagnosed for a psychiatric disorder when having an eating disorder, as compared to children without an eating disorder, children diagnosed with major depressive disorder, and children diagnosed with posttraumatic stress disorder using binary logistic regression. Results Co-occurring psychiatric disorders were substantially higher in children with eating disorders as compared to children without eating disorders, but not as compared to children diagnosed with major depressive disorder or posttraumatic stress disorder. The most common comorbidities for the eating disorder group were anxiety disorders (71.4%), attention deficit/hyperactivity disorder (47.9%), disruptive/impulse control disorders (45.0%), mood disorders (29.6%), and obsessive-compulsive disorder (28.8%), largely in line with previous research. Conclusions This study extends prior research finding high rates of comorbidity in eating disorders, specifically with anxiety, mood, and disruptive/impulse control disorders. Clinicians assessing for psychiatric disorders should be aware that eating disorders can occur in children 9 and 10 years old and are associated with severe comorbidity. Referrals for specialty mental health care should be considered.

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