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https://hdl.handle.net/2440/132862
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Type: | Journal article |
Title: | Increased incidence of childhood mental disorders following exposure to early life infection |
Author: | Green, M.J. Watkeys, O.J. Whitten, T. Thomas, C. Kariuki, M. Dean, K. Laurens, K.R. Harris, F. Carr, V.J. |
Citation: | Brain, Behavior, and Immunity, 2021; 97:376-382 |
Publisher: | Elsevier |
Issue Date: | 2021 |
ISSN: | 0889-1591 1090-2139 |
Statement of Responsibility: | Melissa J. Green, Oliver J. Watkeys, Tyson Whitten, Catherine Thomas, Maina Kariuki, Kimberlie Dean, Kristin R. Laurens, Felicity Harris, Vaughan J. Carr |
Abstract: | Early life exposure to infectious diseases confers risk for adult psychiatric disorders but relatively few human population studies have examined associations with childhood mental disorder. Here we examined the effects of exposure to maternal infection during pregnancy, and child infectious diseases in early childhood (birth to age 4 years), in relation to first mental disorder diagnosis (age 5–13 years). The study sample comprised 71,841 children represented in a population cohort of children in New South Wales, Australia, followed from birth to early adolescence via linkage of administrative registers. Childhood exposure to infectious disease was determined during the prenatal period (i.e., maternal infection during gestation), and in early childhood (between birth and age 4 years) using the NSW Ministry of Health Admitted Patients data collection. Days to first diagnosis with a mental disorder was determined from recorded diagnoses between age 5–13 years in the NSW Ministry of Health’s Admitted Patients, Emergency Department and Mental Health Ambulatory data collections. While crude hazard ratios for both prenatal infection and childhood infection exposures indicated significantly earlier diagnosis with mental disorders associated with both of these risk factors, only childhood infection exposure was associated with higher adjusted hazard ratios (aHR) for any diagnoses (aHR = 1.21, 95% CI = 1.11–1.32), externalising disorders (aHR = 1.45, 95% CI 1.18–1.79) and developmental disorders (aHR = 1.82, 95% CI 1.49–2.22) when the effects of maternal and early childhood (age < 5 years) mental disorders were taken into account. Exposure to infectious diseases during early childhood, but not prenatal infection exposure, appears to be associated with earlier diagnosis of mental disorders in childhood. |
Keywords: | Maternal immune activation; immune system; infectious; gestation; mental illness; psychopathology |
Rights: | © 2021 Elsevier Inc. All rights reserved. |
DOI: | 10.1016/j.bbi.2021.08.009 |
Grant ID: | http://purl.org/au-research/grants/arc/LP110100150 http://purl.org/au-research/grants/arc/DP170101403 http://purl.org/au-research/grants/arc/FT170100294 http://purl.org/au-research/grants/nhmrc/1058652 http://purl.org/au-research/grants/nhmrc/1048055 http://purl.org/au-research/grants/nhmrc/1133833 http://purl.org/au-research/grants/nhmrc/1175408 |
Published version: | http://dx.doi.org/10.1016/j.bbi.2021.08.009 |
Appears in Collections: | Gender Studies and Social Analysis publications |
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