Gender, age and geographical representation over the past 50 years of schizophrenia research

Alliende, Luz María, Czepielewski, Leticia, Aceituno, David, Paz Castañeda, Carmen, Diaz, Camila, Iruretagoyena, Barbara, Mena, Carlos, Mena, Cristian, Pablo Ramirez-Mahaluf, Juan, Tepper, Ángeles, Vasquez, Javiera, Fonseca, Lais, Machado, Vivianne, Hernández, Camilo E., Vargas-Upegui, Cristian, Gomez-Cruz, Gladys, Kobayashi-Romero, Luis F., Moncada-Habib, Tomas, Evans-Lacko, Sara ORCID: 0000-0003-4691-2630, Bressan, Rodrigo Affonseca, Gama, Clarissa, Lopez-Jaramillo, Carlos, de la Fuente-Sandoval, Camilo, Gonzalez-Valderrama, Alfonso, Undurraga, Juan, Gadelha, Ary and A. Crossley, Nicolás (2022) Gender, age and geographical representation over the past 50 years of schizophrenia research. Psychiatry Research, 307. p. 114279. ISSN 0165-1781

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Abstract

Previous studies have suggested that subjects participating in schizophrenia research are not representative of the demographics of the global population of people with schizophrenia, particularly in terms of gender and geographical location. We here explored if this has evolved throughout the decades, examining changes in geographical location, gender and age of participants in studies of schizophrenia published in the last 50 years. We examined this using a meta-analytical approach on an existing database including over 3,000 studies collated for another project. We found that the proportion of studies and participants from low-and-middle income countries has significantly increased over time, with considerable input from studies from China. However, it is still low when compared to the global population they represent. Women have been historically under-represented in studies, and still are in high-income countries. However, a significantly higher proportion of female participants have been included in studies over time. The age of participants included has not changed significantly over time. Overall, there have been improvements in the geographical and gender representation of people with schizophrenia. However, there is still a long way to go so research can be representative of the global population of people with schizophrenia, particularly in geographical terms.

Item Type:	Article
Official URL:	https://www.journals.elsevier.com/psychiatry-resea...
Additional Information:	© 2021 Elsevier
Divisions:	Care Policy and Evaluation Centre
Subjects:	R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry H Social Sciences > HQ The family. Marriage. Woman G Geography. Anthropology. Recreation > G Geography (General)
Date Deposited:	12 Nov 2021 12:36
Last Modified:	15 Nov 2024 01:06
URI:	http://eprints.lse.ac.uk/id/eprint/112596

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