Journal article

The need for surveillance of delay in age-appropriate immunization

KJ Dombkowski, PM Lantz, GL Freed

AMERICAN JOURNAL OF PREVENTIVE MEDICINE | ELSEVIER SCIENCE INC | Published : 2002

Abstract

BACKGROUND: Vaccination status is assessed nationally in terms of up-to-date status without regard to the age at which recommended doses were actually received. Our study was conducted in 2000-2001 using the most current National Health Interview Survey (NHIS) public use files available. METHODS: Retrospective analysis to determine up-to-date and age-appropriate vaccination status for children aged 25 to 72 months. Five years of pooled data (1992-1996) were obtained from the NHIS Immunization Supplement for children aged 25 to 72 months with immunization data based on written records. The outcome measures used were months of vaccination delay relative to age-appropriate vaccination standard ..

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