Abstract
IntroductionWe investigated 2018 gestational diabetes mellitus (GDM) prevalence estimates in three surveillance systems (National Vital Statistics System, State Inpatient Database, and Pregnancy Risk Assessment Monitoring Survey).MethodsWe calculated GDM prevalence for jurisdictions represented in each system; a subset of data was analyzed for people 18–39 years old in 22 jurisdictions present in all three systems to observe dataset-specific demographics and GDM prevalence using comparable categories.ResultsGDM prevalence estimates varied widely by data system and within the data subset despite comparable demographics.DiscussionUnderstanding the differences between GDM surveillance data systems can help researchers better identify people and places at higher risk of GDM.
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