Agreement Between Pregnant Individuals' Self-Report of Coronavirus Disease 2019 (COVID-19) Vaccination and Medical Record Documentation

Academic Article


  • For public health research such as vaccine uptake or effectiveness assessments, self-reported coronavirus disease 2019 (COVID-19) vaccination status may be a more efficient measure than verifying vaccination status from medical records if agreement between sources is high. We assessed agreement between self-reported and medical record-documented COVID-19 vaccination status among pregnant individuals followed in a cohort during August 2020-October 2021. At end of pregnancy, participants completed questionnaires about COVID-19 vaccine receipt during pregnancy; staff verified vaccination status using medical records. Agreement was assessed between self-reported and medical record vaccination status using Cohen's kappa. There was high agreement between self-reported and medical record vaccination status (Kappa coefficient=0.94, 95% CI 0.91-0.98), suggesting that self-report may be acceptable for ascertaining COVID-19 vaccination status during pregnancy.
  • Published In

    Digital Object Identifier (doi)

    Author List

  • Wielgosz K; Dawood FS; Stockwell MS; Varner M; Newes-Adeyi G; Ellington S; Vargas C; Bruno AM; Powers E; Morrill T
  • Start Page

  • 989
  • End Page

  • 992
  • Volume

  • 140
  • Issue

  • 6