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OpenTrials
Completed

NCT Number: NCT01770496

Age-Specific Strategies for Immunization Reminders and Recalls

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.

Completed

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Key information

Conditions

Childhood Vaccination

Age range

7 month–19 month

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Michigan, Child Health Evaluation and Research (CHEAR) Unit

Ann Arbor, Michigan, 48109-5456, United States

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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.

Treatment and study plan

Childhood vaccination reminder / recall notification

Behavioral

Other names: Reminder / recall notifications sent by postal mail

Primary outcomes

  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 outcomes

  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

Sponsors and collaborators

Lead sponsor

University of Michigan

Other

Collaborators

  • Centers for Disease Control and Prevention

Registry information

Important dates

Study start
2007
Primary completion
2009
Study completion
2010
First posted
Jan 17, 2013
Registry last updated
Jan 17, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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