Seasonal Distribution of Births in Alzheimer's Disease

Maurice W. Dysken, Michael Kuskowski, Stacy S. Skare, Uros Roessmann, Avertano Noronha, William H. Frey

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We obtained season-of-birth data in 727 autopsy-confirmed cases of Alzheimer's Disease (AD) and compared these data with expected general population birth rates. There were no significant differences between quarterly birth rates in the AD group and expected quarterly birth rates. Edward's test for cyclical trends did not establish a peak period of birth in the AD sample. No significant differences between observed and expected quarterly birth rates were found when data were analyzed with regard to either family history of dementia or to gender. Edward's test for peak quarter was significant for AD females, however, with the peak period occurring early in the first quarter. These negative findings between observed and expected quarterly birth rates, based on the large number of autopsy-confirmed AD cases in this study, suggest that a season-of-birth effect in AD is highly unlikely.

Original languageEnglish (US)
Pages (from-to)53-58
Number of pages6
JournalInternational Psychogeriatrics
Volume3
Issue number1
DOIs
StatePublished - Mar 1991

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