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Psychometric Properties of the Mini International Neuropsychiatric Interview (MINI) Psychosis Module: A Sub-Saharan Africa Cross Country Comparison

Published online by Cambridge University Press:  10 March 2023

Kristina J. Korte Open the ORCID record for Kristina J. Korte [Opens in a new window] ,
Florence Jaguga ,
Hannah H. Kim ,
Rocky E. Stroud ,
Anne Stevenson ,
Dickens Akena ,
Lukoye Atwoli ,
Stella Gichuru ,
Roxanne James  and
Edith Kwobah
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Kristina J. Korte*
Affiliation:
Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
Florence Jaguga
Affiliation:
Department of Mental Health, Moi Teaching and Referral Hospital, Eldoret, Kenya
Hannah H. Kim
Affiliation:
Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
Rocky E. Stroud
Affiliation:
Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
Anne Stevenson
Affiliation:
Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
Dickens Akena
Affiliation:
Department of Psychiatry, School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
Lukoye Atwoli
Affiliation:
Department of Mental Health, School of Medicine, Moi University College of Health Sciences, Eldoret, Kenya
Stella Gichuru
Affiliation:
Department of Mental Health, Moi Teaching and Referral Hospital, Eldoret, Kenya
Roxanne James
Affiliation:
SAMRC Unit on Risk & Resilience in Mental Disorders, Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
Edith Kwobah
Affiliation:
Department of Mental Health, School of Medicine, Moi University College of Health Sciences, Eldoret, Kenya
Symon M. Kariuki
Affiliation:
Neurosciences Unit, Clinical Department, KEMRI-Wellcome Trust Research Programme, Kilifi, Kenya
Joseph Kyebuzibwa
Affiliation:
Department of Psychiatry, School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
Rehema M. Mwema
Affiliation:
Neurosciences Unit, Clinical Department, KEMRI-Wellcome Trust Research Programme, Kilifi, Kenya
Charles R. J. C. Newton
Affiliation:
Neurosciences Unit, Clinical Department, KEMRI-Wellcome Trust Research Programme, Kilifi, Kenya
Zukiswa Zingela
Affiliation:
Psychiatry and Behavioural Sciences, Walter Sisulu University and Nelson Mandela Academic Hospital, Port Elizabeth, South Africa
Dan J. Stein
Affiliation:
SAMRC Unit on Risk & Resilience in Mental Disorders, Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
Melkam Alemayehu
Affiliation:
Department of Psychiatry, Addis Ababa University, Addis Ababa, Ethiopia
Solomon Teferra
Affiliation:
Department of Psychiatry, Addis Ababa University, Addis Ababa, Ethiopia
Karestan C. Koenen
Affiliation:
Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
Bizu Gelaye
Affiliation:
Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
*
Author for correspondence: Kristina J. Korte, E-mail: kkorte@mgh.harvard.edu
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Abstract

Background

The Mini International Neuropsychiatric Interview 7.0.2 (MINI-7) is a widely used tool and known to have sound psychometric properties; but very little is known about its use in low and middle-income countries (LMICs). This study aimed to examine the psychometric properties of the MINI-7 psychosis items in a sample of 8609 participants across four countries in Sub-Saharan Africa.

Methods

We examined the latent factor structure and the item difficulty of the MINI-7 psychosis items in the full sample and across four countries.

Results

Multiple group confirmatory factor analyses (CFAs) revealed an adequate fitting unidimensional model for the full sample; however, single group CFAs at the country level revealed that the underlying latent structure of psychosis was not invariant. Specifically, although the unidimensional structure was an adequate model fit for Ethiopia, Kenya, and South Africa, it was a poor fit for Uganda. Instead, a 2-factor latent structure of the MINI-7 psychosis items provided the optimal fit for Uganda. Examination of item difficulties revealed that MINI-7 item K7, measuring visual hallucinations, had the lowest difficulty across the four countries. In contrast, the items with the highest difficulty were different across the four countries, suggesting that MINI-7 items that are the most predictive of being high on the latent factor of psychosis are different for each country.

Conclusions

The present study is the first to provide evidence that the factor structure and item functioning of the MINI-7 psychosis vary across different settings and populations in Africa.

Keywords

Item responselatent structuremeasurementMINI-7psychometricspsychosisSub-Saharan Africa
Type
Original Article
Information
Psychological Medicine , Volume 53 , Issue 15 , November 2023 , pp. 7042 - 7052
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Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press

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Footnotes

This article has been updated since its original publication. A notice detailing this change can be found here: https://doi.org/10.1017/S0033291723003835

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