Childbirth and Delayed Parkinson's Onset: A Reproducible Nonbiological Artifact of Societal Change
Autor: | Daniel J. Myall, Toni L. Pitcher, Tim J. Anderson, Michael R. MacAskill, Reza Shoorangiz |
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Rok vydání: | 2020 |
Předmět: |
Male
0301 basic medicine medicine.medical_specialty Parkinson's disease Brain research Cohort Studies Generational cohort 03 medical and health sciences 0302 clinical medicine Pregnancy Epidemiology medicine Humans Childbirth Age of Onset Child business.industry Social change Parkinson Disease medicine.disease 030104 developmental biology Neurology Cohort effect Female Neurology (clinical) Artifacts business 030217 neurology & neurosurgery New Zealand Clinical psychology |
Zdroj: | Movement Disorders. 35:1268-1271 |
ISSN: | 1531-8257 0885-3185 |
Popis: | Background Uncontrolled studies have reported associations between later Parkinson's disease onset in women and a history of giving birth, with age at onset delayed by nearly 3 years per child. We tested this association in two independent data sets, but, as a control to test for nonbiological explanations, also included men with PD. Methods We analyzed valid cases from the Parkinson's Progressive Markers Initiative incident sample (145 women, 276 men) and a prevalent sample surveyed by the New Zealand Brain Research Institute (210 women, 394 men). Results The association was present in both women and men in the Parkinson's Progressive Markers Initiative study, and absent in both in the New Zealand Brain Research Institute study. This is consistent with generational differences common to men and women, which confound with age at onset in incident-dominant samples. Conclusions Despite being replicable in certain circumstances, associations between childbirth and later PD onset are an artifact of generational cohort differences. © 2020 International Parkinson and Movement Disorder Society. |
Databáze: | OpenAIRE |
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