Incidence of schizophrenia does not vary with economic status of the country: evidence from a systematic review

Social Psychiatry and Psychiatric Epidemiology
S SahaJohn McGrath

Abstract

A recent systematic review found that the prevalence of schizophrenia was lower in developing nations compared to developed nations. However, there is a lack of information about the association between economic status and the incidence of schizophrenia. The aim of this study was to examine the association between economic status and the underlying incidence of schizophrenia based on a recently published systematic review of the incidence of schizophrenia. The analyses were based on 167 discrete incidence rates from 52 studies. Nations were divided into three categories according to per capita gross national product. Based on these categories, we compared the incidence rates for schizophrenia when adjusted for within-study variation. The median (and 10-90% quantiles) incidence rates per 100,000 persons for Least Developed Countries (three studies), Emerging Economies (nine studies), and Developed Countries (42 studies) were 20.0 (0.4-35.0), 11.0 (5.0-26.0) and 16.0 (8.0-48.0) respectively. There was no significant difference in incidence rates between these groups. While there is a lack of information on the incidence of schizophrenia in the developing world, there is no evidence to suggest that the incidence of schizophrenia v...Continue Reading

References

Jan 1, 1992·Psychological Medicine. Monograph Supplement·A JablenskyA Bertelsen
Mar 4, 2003·The British Journal of Psychiatry : the Journal of Mental Science·Atalay Alem, Derege Kebede
May 27, 2005·PLoS Medicine·Sukanta SahaJohn McGrath

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Citations

Mar 23, 2010·Social Psychiatry and Psychiatric Epidemiology·Raimo K R SalokangasMatti Joukamaa
May 16, 2008·Epidemiologic Reviews·John McGrathJoy Welham
Dec 1, 2007·Schizophrenia Bulletin·John McGrath
Apr 12, 2014·The British Journal of Psychiatry : the Journal of Mental Science·Antonio LasalviaUNKNOWN PICOS-Veneto Group
Jun 5, 2012·The British Journal of Psychiatry : the Journal of Mental Science·Traolach S BrughaDavid R Jones
May 28, 2010·International Review of Psychiatry·Brendan P Murphy
Oct 13, 2012·International Review of Psychiatry·Oluyomi B EsanOye Gureje
Mar 31, 2012·Psychiatry Research·David M NdeteiDaniel Mamah
Feb 23, 2008·Schizophrenia Research·Rajiv TandonHenry A Nasrallah
Apr 19, 2013·The International Journal of Social Psychiatry·Jonathan K BurnsAmy S Kapadia
Jan 4, 2019·Clinical Chemistry·Mathieu SimardSimon L Girard

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