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Influenza vaccination coverage rate among high-risk children during the 2002-2003 influenza season

Bo-Hyun Cho1, Maureen S Kolasa, Mark L Messonnier

  • 1Immunization Services Division, National Center for Immunization Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. ddz5@cdc.gov

American Journal of Infection Control
|October 18, 2008
PubMed

Insights

Influenza vaccination coverage was low in 2002-2003, especially for high-risk children (HRC). Coverage varied by age, insurance, and location, leaving many children vulnerable to influenza.

Area of Science:

  • Pediatric Health
  • Vaccinology
  • Public Health

Background:

  • Influenza vaccination is crucial for preventing influenza and its complications.
  • This study examines influenza vaccination coverage in high-risk children (HRC) during the 2002-2003 season.

Purpose of the Study:

  • To describe influenza vaccination coverage rates among high-risk children (HRC) and non-high-risk children (non-HRC) during the 2002-2003 influenza season.
  • To identify factors influencing vaccination coverage in children.

Main Methods:

  • Analysis of MarketScan paid claims databases for children aged 1-17 years with continuous private health insurance during the 2002-2003 influenza season.
  • Categorization of children into high-risk (HRC) and non-high-risk (non-HRC) groups based on diagnosis history.
  • Assessment of vaccination coverage rates by demographic, child, and provider-related variables.

Main Results:

  • Overall influenza vaccination coverage was low at 4.63%.
  • High-risk children (HRC) had higher coverage (11.74%) than non-HRC (3.31%), except for children aged 12-23 months.
  • Coverage varied by geographic region (higher in metropolitan, Western, and Northeastern US areas) and insurance plan type (lower with comprehensive plans).

Conclusions:

  • Influenza vaccination coverage in children during the 2002-2003 season was alarmingly low, increasing risk for influenza and complications.
  • Child age, insurance plan type, and geographic residence significantly influenced vaccination coverage rates.
Abstract

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