The Cross-national Structure of Mental Disorders: Results from the World Mental Health Surveys

Year: 2018
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de Jonge P, Wardenaar KJ, Lim CW, Aguilar-Gaxiola S, Alonso J, Andrade LH, Bunting, B., Chatterji, S., Ciutan, M., Gureje, O., Karam EG, Lee S, Medina-Mora ME, Moskalewicz J, Navarro-Mateu F, Pennell BE, Piazza M, Posada-Villa J, Torres Y, Kessler RC, Scott K, on behalf of the WHO World Mental Health Survey Collaborators.


The patterns of comorbidity among mental disorders have led researchers to model the underlying structure of psychopathology. While studies have suggested a structure including internalizing and externalizing disorders, less is known with regard to the cross-national stability of this model. Moreover, little data are available on the placement of eating disorders, bipolar disorder and psychotic experiences (PEs) in this structure.
We evaluated the structure of mental disorders with data from the World Health Organization Composite International Diagnostic Interview, including 15 lifetime mental disorders and six PEs. Respondents (n = 5478-15 499) were included from 10 high-, middle- and lower middle-income countries across the world aged 18 years or older. Confirmatory factor analyses (CFAs) were used to evaluate and compare the fit of different factor structures to the lifetime disorder data. Measurement invariance was evaluated with multigroup CFA (MG-CFA).
A second-order model with internalizing and externalizing factors and fear and distress subfactors best described the structure of common mental disorders. MG-CFA showed that this model was stable across countries. Of the uncommon disorders, bipolar disorder and eating disorder were best grouped with the internalizing factor, and PEs with a separate factor.
These results indicate that cross-national patterns of lifetime common mental-disorder comorbidity can be explained with a second-order underlying structure that is stable across countries and can be extended to also cover less common mental disorders.
Psychological Medicine, Volume 48, Issue 12, September 2018 , pp. 2073-2084.


Mental Health Around the World,L.E.B.A.N.O.N Study,Bipolar Disorder,Schizophrenia,Mood Disorders,Psychosis


Comorbidity,epidemiology,mental disorders,psychiatric disorders.
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