Seasonal Influenza Vaccination Reminders for Children With High-risk Conditions

Not Applicable

Completed

• Conditions: Seasonal Influenza Vaccination
• Interventions: Behavioral: Mailed influenza vaccination reminder notice

• Registration Number: NCT01431183
• Lead Sponsor: University of Michigan

Brief Summary

The objective of this study was to assess the feasibility and effectiveness of using a statewide immunization information system (IIS) to send seasonal influenza vaccine reminders from Local Health Departments (LHDs), targeting children with high-risk conditions.

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study Start: 2008-10
• Primary Completion: 2009-02
• Study Completion: 2010-12
• Status Verified: 2011-09
• Study First Submitted: 2011-09-06
• Study First Submitted QC: 2011-09-07
• Last Update Submitted: 2011-09-07
• Study First Posted: 2011-09-09
• Last Update Posted: 2011-09-09

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 3618

Inclusion Criteria

• children, 24-60 months
• current or previous enrollment in Medicaid (Michigan)
• presence of at least 1 chronic condition, as indicated by the Michigan Care Improvement Registry (MCIR)
• resident of Kalamazoo, Ottawa, or Kent counties (Michigan)

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Exclusion Criteria

• receipt of influenza prior to notification date
• ineligible for reminder/recall notification in the Michigan Care Improvement Registry (MCIR)

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
mailed reminder notice	Mailed influenza vaccination reminder notice	Seasonal influenza vaccination reminder sent by postal mail

Primary Outcome Measures

Name	Time	Method
seasonal influenza vaccination	up to 4 months following reminder notification	Receipt of 1 or more dose of seasonal influenza vaccine, either trivalent inactivated influenza vaccine (TIV) or live attenuated influenza vaccine (LAIV)

Secondary Outcome Measures

Name	Time	Method
invalid mailing address	up to 4 months following reminder notification	Postal mailing address determined to be invalid for mail delivery, either by physical return of mailed reminder notification, or through the United States Postal Service's National Change of Address (NCOA) process

Trial Locations

Locations (1)

University of Michigan, Child Health Evaluation and Research Unit; 🇺🇸 Ann Arbor, Michigan, United States