Journal
SCHIZOPHRENIA RESEARCH
Volume 116, Issue 2-3, Pages 184-190Publisher
ELSEVIER
DOI: 10.1016/j.schres.2009.11.006
Keywords
Mental retardation; Psychosis; Development; Longitudinal study; Mental disorders; Parents age
Categories
Funding
- Fundacion Espanola de Psiquiatria y Salud Mental
- Koplowitz Foundation
- CAM/UAM [CCG07-UAM/BIO-1925]
- ETES [PI07/90207]
- Instituto de Salud Carlos III, Centro de Investigacion Biomedica en Red de Salud Mental, CIBERSAM
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Advanced parental age has been shown to increase offspring risk for a number of neuropsychiatric disorders including schizophrenia and Down's syndrome. Other psychiatric disorders have been less studied with respect to the effect of parental age on offspring risk. In this study we examine if advanced parental age increased risk for ICD-10 diagnoses. We hypothesized that advanced parental age would increase risk for offspring psychotic disorders and mental retardation but not other ICD-10 diagnoses. We examined follow-up data for 30,965 subjects treated in outpatient psychiatric facilities between 1980 and 2007. Subjects were Younger than IS years of age at their first outpatient visit. A comparison group was obtained from data on registered births in Spain from 1975. We compared parental age (maternal. paternal, combined) across diagnostic categories using ANOVA and logistic regression was used to estimate the risk of psychopathology in the offspring with advanced parental age (maternal, paternal, combined). Maternal and paternal ages were higher for subjects diagnosed with mental retardation. Risk for psychotic disorders showed a significant linear increase only with advancing maternal age, and not paternal age as is more often reported. (C) 2009 Elsevier B.V. All rights reserved.
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