Table 1.

Trial registration data set summary table

Data category	Information
Registry and trial number	ClinicalTrials.gov—NCT02665013
Data of registration	01 April 2016
Secondary identifying numbers	CO-IRB #: CO-15–2299_07
Financial support	National Institutes of Health
Contact for queries	amanda.dempsey@ucdenver.edu
Title	The REDIVAC study—Reducing Delay in the Vaccination of Children
Countries of recruitment	USA
Health condition studied	Infant vaccination
Interventions	Active comparator—tailored educational website Placebo comparator—untailored educational website Passive comparator—usual care
Key inclusion and exclusion criteria	Inclusion: >18 years, pregnant in third trimester or child <2 months of age, receives care at KPCO health system, able to read English and access to the Internet Exclusion: high-risk maternal or fetal health condition, maternal social issues (such as abuse), fetal or infant death and does not plan to have infant receive care in KPCO health system after birth
Study type	Individually randomised controlled trial
Date of first enrolment	20 April 2016
Target sample size	700
Trial status	Ongoing data collection
Primary outcomes	Average days undervaccinated Up-to-date vaccination status
Key secondary outcomes	Vaccination attitudes Vaccination values Vaccine hesitancy level

KPCO, Kaiser Permanente Colorado.