Age-Specific Strategies for Immunization Reminders and Recalls

University of Michigan1 site in 1 country10,175 target enrollmentOctober 2007

ConditionsChildhood Vaccination

Overview

Phase: Not Applicable
Intervention: Not specified
Conditions: Childhood Vaccination
Sponsor: University of Michigan
Enrollment: 10175
Locations: 1
Primary Endpoint: new immunization doses
Status: Completed
Last Updated: 13 years ago

Overview Investigators Eligibility Criteria Outcomes Sites Similar Trials

Overview

Brief Summary

The objective of this study was to assess the relative effectiveness of reminder/recall strategies among children who live in an urban area targeting alternative age-specific milestones.

Registry

clinicaltrials.gov

Start Date

October 2007

End Date

September 2010

Last Updated

13 years ago

Study Type

Interventional

Study Design

Parallel

Sex

All

Investigators

Sponsor

University of Michigan

Responsible Party

Principal Investigator

Kevin Dombkowski

Research Associate Professor

University of Michigan

Eligibility Criteria

Inclusion Criteria

•7 and 19 month recall groups: children not up to date for at least one vaccination at the time of notification
•12 month reminder group: 12 months of age at time of notification
•Hib vaccination series was not assessed due to a vaccine shortage

Exclusion Criteria

•Children were ineligible for notifications if they were designated in the Michigan Care Improvement Registry (MCIR)as having died, documented previously as having moved out of the jurisdiction ("Moved or Gone Elsewhere" (MOGE)), opted out of MCIR by their parent, or if they had been previously mailed for MCIR reminder/recall activity in the prior 60 days.

Outcomes

Primary Outcomes

new immunization doses

Time Frame: within 60 days of reminder notification

Receipt of 1 or more childhood vaccinations with administration date following reminder notification date

Secondary Outcomes

waived doses(within 60 days of reminder notification)
historical immunization doses(within 60 days of reminder notification)
Cost of vaccination reminder(During the time of reminder notification preparation and mailing and approximately 1 month following mailing)