Schizophrenia
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How common is schizophrenia?

Schizophrenia can affect anyone.

Researchers have found that:

  • At any one time, about 7 in 1,000 adults have schizophrenia
     
     
     
     
     
    Source:
    Picchioni MM, Murray RM.
    Schizophrenia.
    British Medical Journal. 2007; 335: 91-95.
     
     
     
     
     
    1
  • The chance of getting schizophrenia at some point in your life is about 1 in 100
     
     
     
     
     
    Source:
    Mueser KT, McGurk SR.
    Schizophrenia.
    Lancet. 2004; 363: 2063.
     
     
     
     
     
    2
  • Some studies have found that men are more likely to get schizophrenia than women. According to these studies, roughly three men get schizophrenia for every two women who get it.
     
     
     
     
     
    Source:
    McGrath JJ.
    Variations in the incidence of schizophrenia: data versus dogma.
    Schizophrenia Bulletin. 2006; 32: 195-197.
     
     
     
     
     
    3 However, other studies have found that men and women are equally likely to get schizophrenia
     
     
     
     
     
    Source:
    Bhugra D.
    The global prevalence of schizophrenia.
    PLoS Medicine. 2005; 2: 151.
     
     
     
     
     
    4
  • Schizophrenia tends to affect people for the first time as young adults. The average age for first getting symptoms is 25. However, men tend to be affected at a younger age than women.
     
     
     
     
     
    Source:
    Aleman A, Kahn RS, Selten JP.
    Sex differences in the risk of schizophrenia. Evidence from meta-analysis.
    Archives of General Psychiatry. 2003; 60: 565-571.
     
     
     
     
     
    5

Sources for the information on this page:
  1. Picchioni MM, Murray RM. Schizophrenia. British Medical Journal. 2007; 335: 91-95.
  2. Mueser KT, McGurk SR.Schizophrenia.Lancet. 2004; 363: 2063.
  3. McGrath JJ.Variations in the incidence of schizophrenia: data versus dogma.Schizophrenia Bulletin. 2006; 32: 195-197.
  4. Bhugra D.The global prevalence of schizophrenia.PLoS Medicine. 2005; 2: 151.
  5. Aleman A, Kahn RS, Selten JP.Sex differences in the risk of schizophrenia. Evidence from meta-analysis.Archives of General Psychiatry. 2003; 60: 565-571.
This information was last updated on Nov 06, 2008
BMJ Group
This information is for educational use only, and is not a substitute for prompt professional medical advice. Readers should always consult a physician or other professional for advice and treatment.
© BMJ Publishing Group Limited 2009. All rights reserved.
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