Urbanicity and risk of first-episode psychosis: incidence study in Brazil

Cristina Marta Del-Ben; Rosana Shuhama; Camila Marcelino Loureiro; Taciana Cristina Carvalho Ragazzi; Daniela Perocco Zanatta; Silvia Helena Galo Tenan; Jair Lício Ferreira Santos; Paulo Louzada-Junior; Antonio Carlos Dos Santos; Craig Morgan; Paulo Rossi Menezes

doi:10.1192/bjp.2019.110

Urbanicity and risk of first-episode psychosis: incidence study in Brazil

Cristina Marta Del-Ben, Rosana Shuhama, Camila Marcelino Loureiro, Taciana Cristina Carvalho Ragazzi, Daniela Perocco Zanatta, Silvia Helena Galo Tenan, Jair Lício Ferreira Santos, Paulo Louzada-Junior, Antonio Carlos Dos Santos, Craig Morgan, Paulo Rossi Menezes

Health Service & Population Research

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

We estimated the incidence of first-episode psychosis over a 3-year period in a Brazilian catchment area comprising the region's main city, Ribeirão Preto (1 425 306 persons-years at risk), and 25 other municipalities with a total of 1 646 556 persons-years at risk. The incidence rates were estimated and adjusted by gender and age, using the direct standardisation method to the world population as reference. The incidence of psychosis was higher in the younger groups, men, and among Black and minority ethnic Brazilians. Psychosis incidence was lower in Ribeirão Preto (16.69/100 000 person-years at risk; 95% CI 15.68-17.70) compared with the average incidence in the remaining municipalities (21.25/100 000 person-years at risk; 95% CI 20.20-22.31), which have lower population density, suggesting a distinct role for urbanicity in the incidence of first-episode psychosis in low- and middle-income countries.

Original language	English
Pages (from-to)	726-729
Number of pages	4
Journal	The British journal of psychiatry : the journal of mental science
Volume	215
Issue number	6
DOIs	https://doi.org/10.1192/bjp.2019.110
Publication status	Published - 1 Dec 2019

Keywords

incidence
Schizophrenia spectrum and other psychotic disorders
urban and rural populations

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1192/bjp.2019.110

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Del-Ben, C. M., Shuhama, R., Loureiro, C. M., Ragazzi, T. C. C., Zanatta, D. P., Tenan, S. H. G., Ferreira Santos, J. L., Louzada-Junior, P., Dos Santos, A. C., Morgan, C., & Menezes, P. R. (2019). Urbanicity and risk of first-episode psychosis: incidence study in Brazil. The British journal of psychiatry : the journal of mental science, 215(6), 726-729. https://doi.org/10.1192/bjp.2019.110

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abstract = "We estimated the incidence of first-episode psychosis over a 3-year period in a Brazilian catchment area comprising the region's main city, Ribeir{\~a}o Preto (1 425 306 persons-years at risk), and 25 other municipalities with a total of 1 646 556 persons-years at risk. The incidence rates were estimated and adjusted by gender and age, using the direct standardisation method to the world population as reference. The incidence of psychosis was higher in the younger groups, men, and among Black and minority ethnic Brazilians. Psychosis incidence was lower in Ribeir{\~a}o Preto (16.69/100 000 person-years at risk; 95% CI 15.68-17.70) compared with the average incidence in the remaining municipalities (21.25/100 000 person-years at risk; 95% CI 20.20-22.31), which have lower population density, suggesting a distinct role for urbanicity in the incidence of first-episode psychosis in low- and middle-income countries.",

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Del-Ben, CM, Shuhama, R, Loureiro, CM, Ragazzi, TCC, Zanatta, DP, Tenan, SHG, Ferreira Santos, JL, Louzada-Junior, P, Dos Santos, AC, Morgan, C & Menezes, PR 2019, 'Urbanicity and risk of first-episode psychosis: incidence study in Brazil', The British journal of psychiatry : the journal of mental science, vol. 215, no. 6, pp. 726-729. https://doi.org/10.1192/bjp.2019.110

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AU - Shuhama, Rosana

AU - Loureiro, Camila Marcelino

AU - Ragazzi, Taciana Cristina Carvalho

AU - Zanatta, Daniela Perocco

AU - Tenan, Silvia Helena Galo

AU - Ferreira Santos, Jair Lício

AU - Louzada-Junior, Paulo

AU - Dos Santos, Antonio Carlos

AU - Morgan, Craig

AU - Menezes, Paulo Rossi

PY - 2019/12/1

Y1 - 2019/12/1

N2 - We estimated the incidence of first-episode psychosis over a 3-year period in a Brazilian catchment area comprising the region's main city, Ribeirão Preto (1 425 306 persons-years at risk), and 25 other municipalities with a total of 1 646 556 persons-years at risk. The incidence rates were estimated and adjusted by gender and age, using the direct standardisation method to the world population as reference. The incidence of psychosis was higher in the younger groups, men, and among Black and minority ethnic Brazilians. Psychosis incidence was lower in Ribeirão Preto (16.69/100 000 person-years at risk; 95% CI 15.68-17.70) compared with the average incidence in the remaining municipalities (21.25/100 000 person-years at risk; 95% CI 20.20-22.31), which have lower population density, suggesting a distinct role for urbanicity in the incidence of first-episode psychosis in low- and middle-income countries.

AB - We estimated the incidence of first-episode psychosis over a 3-year period in a Brazilian catchment area comprising the region's main city, Ribeirão Preto (1 425 306 persons-years at risk), and 25 other municipalities with a total of 1 646 556 persons-years at risk. The incidence rates were estimated and adjusted by gender and age, using the direct standardisation method to the world population as reference. The incidence of psychosis was higher in the younger groups, men, and among Black and minority ethnic Brazilians. Psychosis incidence was lower in Ribeirão Preto (16.69/100 000 person-years at risk; 95% CI 15.68-17.70) compared with the average incidence in the remaining municipalities (21.25/100 000 person-years at risk; 95% CI 20.20-22.31), which have lower population density, suggesting a distinct role for urbanicity in the incidence of first-episode psychosis in low- and middle-income countries.

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Urbanicity and risk of first-episode psychosis: incidence study in Brazil

Abstract

Keywords

UN SDGs

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