Accuracy of self-reported birth outcomes relative to birth certificate data in an Internet-based prospective cohort study.

ABSTRACT:

Background

The accuracy of birth outcome data provided by Internet-based cohort study participants has not been well studied.

Methods

We compared self-reported data on birth characteristics in Pregnancy Study Online (PRESTO), an Internet-based prospective cohort study of North American pregnancy planners, with birth certificate data. At enrolment, participants were aged 21-45 years, attempting conception, and not using fertility treatment. Women completed online questionnaires during preconception, early and late pregnancy, and postpartum. We requested birth certificate data during 2014-2019 from seven health departments in states with the most participants. After restricting to singleton births, we assessed specificity, sensitivity, and agreement comparing self-reported dat

SUBMITTER: Wise LA 

PROVIDER: S-EPMC8380669 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature