Gender and age-at-first-admission for schizophrenia: Data from Australia and Brazil

Andreoli, S.B., Gastal, F.L., Leite, S.O., Chant, D., Welham, J.L. and McGrath, J.J. (2000). Gender and age-at-first-admission for schizophrenia: Data from Australia and Brazil. In: Schizophrenia Research: Abstracts of the Biennial Winter Workshop on Schizophrenia. Biennial Winter Workshop on Schizophrenia, Davos, Switzerland, (61-61). 5-11 February, 2000. doi:10.1016/S0920-9964(00)90434-1


Author Andreoli, S.B.
Gastal, F.L.
Leite, S.O.
Chant, D.
Welham, J.L.
McGrath, J.J.
Title of paper Gender and age-at-first-admission for schizophrenia: Data from Australia and Brazil
Conference name Biennial Winter Workshop on Schizophrenia
Conference location Davos, Switzerland
Conference dates 5-11 February, 2000
Proceedings title Schizophrenia Research: Abstracts of the Biennial Winter Workshop on Schizophrenia   Check publisher's open access policy
Journal name Schizophrenia Research   Check publisher's open access policy
Place of Publication Amsterdam
Publisher Elsevier
Publication Year 2000
DOI 10.1016/S0920-9964(00)90434-1
ISSN 0920-9964
Volume 41
Issue 1
Start page 61
End page 61
Total pages 1
Language eng
Abstract/Summary In order to examine whether different populations show the same pattern of onset in the Southern Hemisphere, we examined the age-at-first-admission distribution for schizophrenia based on mental health registers from Australia and Brazil. Data on age-at-first-admission for individuals with schizophrenia were extracted from two names-linked registers, (1) the Queensland Mental Health Statistics System, Australia (N=7651, F= 3293, M=4358), and (2) a psychiatric hospital register in Pelotas, Brazil (N=4428, F=2220, M=2208). Age distributions were derived for males and females for both datasets. The general population structure tbr both countries was also obtained. There were significantly more males in the Queensland dataset (gz = 56.9, df3, p < 0.0001 ). Both dataset distributions were skewed to the right. Onset rose steeply after puberty to reach a modal age group of 20-29 for men and women, with a more gradual tail toward the older age groups. In Queensland 68% of women with schizophrenia had their first admissions after age 30, while the proportion from Brazil was 58%. Compared to the Australian dataset, the Brazilian dataset had a slightly greater proportion of first admissions under the age 30 and a slightly smaller proportion over the age of 60 years. This reflects the underlying age distributions of the two populations. This study confirms the wide age range and gender differences in age-at-first-admission distributions for schizophrenia and identified a significant difference in the gender ratio between the two datasets. Given widely differing health services, cultural practices, ethic variability, and the different underlying population distributions, the age-at-first-admission in Queensland and Brazil showed more similarities than differences. Acknowledgments: The Stanley Foundation supported this project.
Subjects 110319 Psychiatry (incl. Psychotherapy)
111714 Mental Health
Keyword Psychiatry
Q-Index Code EX
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Conference Paper
Collection: School of Medicine Publications
 
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Created: Mon, 13 Aug 2007, 21:34:37 EST