Unit 13 epidemiology child and adolescent
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Unit 13 epidemiology child and adolescent

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Unit 13 epidemiology child and adolescent Unit 13 epidemiology child and adolescent Presentation Transcript

  • The Epidemiology of Child and Adolescent Mental Health Disorders
  • Prevalence of Psychiatric Disorders in Children and Adolescents
    • 6-month prevalence rates: 17-27%
      • Most common: anxiety disorders
      • Conduct and oppositional disorders
      • Attention deficit and depressive disorders
    • 12-month prevalence of serious emotional disturbance in 9-17 year olds: 9-13%
    Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  • Burden of Mood Disorders in Children and Adolescents
    • Prevalence of depression (7-12 years): <1% to 2%
    • Prevalence of depression (13-25 years): 1% to 7%
    • One year incidence of major depression in 11-16 year olds: 3.3%
    • One year incidence of major depression in 14-18 year olds: 7.1%
    • Manic episodes, bipolar disorder, and hypomania are rare in children and adolescents
      • 0-2% prevalence
    Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  • Age of Onset – Mood Disorders
    • 11-14 years for depression and dysthymia
    • Average length of depression episode is 7-9 months
    Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  • Risk Factors for Mood Disorders
    • Rates of depression are higher for adolescent girls than boys
      • No evident gender differences in the preadolescent period
    • Genetic and familial risk
    • Hormonal changes during adolescence
    • Life events and stressors
    Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  • Comorbid Conditions (Mood Disorders)
    • Depression is associated with anxiety, behavioral, eating, and substance use disorders
    • 20-75% of youth with depression have comorbid anxiety disorders
    • Preadolescent children are more likely to report comorbid somatic illness than adolescents
    Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  • Burden of Anxiety Disorders in Children and Adolescents
    • Prevalence of anxiety disorders: ~20%
    Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  • Age of Onset – Anxiety Disorders
    • Separation anxiety and specific phobias: 7-9 years
    • Overanxious disorder: 10-13 years
    • Social phobia: 15-16 years
    • Panic disorder: 17-18 years
    Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  • Risk Factors for Mood Disorders Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
    • Female
    • Low socioeconomic status
    • Familial and genetic factors
  • Comorbid Conditions (Anxiety Disorders)
    • There is significant overlap within subtypes of anxiety disorders
    • Depression
    • Substance abuse in older adolescents
    Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.