Informed consent for national registration of COVID-19 vaccination caused information bias of vaccine effectiveness estimates mostly in older adults: a bias correction study.

Cornelis H van WerkhovenBrechje de GierScott A McDonaldHester E de MelkerSusan J M HahnéSusan van den HofMirjam J Knol

Published in: Journal of clinical epidemiology (2024)

VE estimates can be substantially biased with modest nonconsent percentages for vaccination data registration. Data on covariate-specific nonconsent percentages should be available to correct this bias.

Keyphrases

electronic health record
coronavirus disease
sars cov
randomized controlled trial
big data
systematic review
physical activity
health information
respiratory syndrome coronavirus
social media