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Age-Specific Strategies for Immunization Reminders and Recalls

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ClinicalTrials.gov Identifier: NCT01770496
Recruitment Status : Completed
First Posted : January 17, 2013
Last Update Posted : January 17, 2013
Sponsor:
Collaborator:
Centers for Disease Control and Prevention
Information provided by (Responsible Party):
Kevin Dombkowski, University of Michigan

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.

Condition or disease Intervention/treatment Phase
Childhood Vaccination Behavioral: Childhood vaccination reminder / recall notification Not Applicable

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 10175 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single (Participant)
Primary Purpose: Health Services Research
Study Start Date : October 2007
Actual Primary Completion Date : September 2009
Actual Study Completion Date : September 2010

Arm Intervention/treatment
No Intervention: No reminder / recall notice
No childhood vaccination reminder / recall notification sent. Stratified by age cohort of subjects: 7 month recall; 12 month reminder; 19 month recall
Experimental: mailed reminder / recall notice
Childhood vaccination reminder / recall notification sent by postal mail. Stratified by age cohort of subjects: 7 month recall; 12 month reminder; 19 month recall
Behavioral: Childhood vaccination reminder / recall notification
Other Name: Reminder / recall notifications sent by postal mail




Primary Outcome Measures :
  1. 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 Outcome Measures :
  1. Cost of vaccination reminder [ Time Frame: During the time of reminder notification preparation and mailing and approximately 1 month following mailing ]
    Estimated personnel costs to generate reminder notifications, print, fold / stuff envelopes and follow up on undeliverable notifications

  2. historical immunization doses [ Time Frame: within 60 days of reminder notification ]
    One or more vaccination recorded with the date of administration prior to the reminder notification date

  3. waived doses [ Time Frame: within 60 days of reminder notification ]
    One or more immunization waiver (non-administration) recorded with the date following the date of reminder notification



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Ages Eligible for Study:   7 Months to 19 Months   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
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.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01770496


Locations
United States, Michigan
University of Michigan, Child Health Evaluation and Research (CHEAR) Unit
Ann Arbor, Michigan, United States, 48109-5456
Sponsors and Collaborators
University of Michigan
Centers for Disease Control and Prevention
Investigators
Principal Investigator: Kevin J Dombkowski, DrPH, MS University of Michigan, Child Health Evaluation and Research (CHEAR) Unit

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Kevin Dombkowski, Research Associate Professor, University of Michigan
ClinicalTrials.gov Identifier: NCT01770496     History of Changes
Other Study ID Numbers: U01IP000088-01 ( U.S. NIH Grant/Contract )
First Posted: January 17, 2013    Key Record Dates
Last Update Posted: January 17, 2013
Last Verified: January 2013

Keywords provided by Kevin Dombkowski, University of Michigan:
immunization
vaccination
immunization information system
immunization registry
reminder / recall

Additional relevant MeSH terms:
Vaccines
Immunologic Factors
Physiological Effects of Drugs