Document Detail

Assessment of immunization registry databases as supplemental sources of data to improve ascertainment of vaccination coverage estimates in the national immunization survey.
MedLine Citation:
PMID:  16894084     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate the use of immunization registry data to supplement missing or incomplete vaccination data reported by immunization providers (referred to as "providers" hereafter) in the National Immunization Survey. DESIGN: Cross-sectional, random-digit-dialing, telephone survey to measure vaccination coverage among children aged 19 to 35 months in the United States. SETTING: Four sites with mature (with >67% of provider participation in the area) immunization registries. PARTICIPANTS: Of the 639 children with complete household interviews, interviewers had consent from the respondents for 569 (89.0%) children to contact their providers and for 556 (87.0%) children to contact both providers and registries. MAIN OUTCOME MEASURES: Percentages of children up-to-date for vaccines based on data from providers, registries, and both sources combined. RESULTS: According to provider-reported data, weighted estimates of coverage for the recommended childhood vaccine series 4:3:1:3 at the 4 sites were 65.6%, 78.8%, 81.6%, and 77.0%. According to registry data, these coverage rates were consistently lower: 31.7% (P<.05), 65.4%, 71.9%, and 61.8%, respectively. When all unique vaccine doses were combined from both sources, the pooled 4:3:1:3 coverage rates increased to 72.0%, 92.0%, 88.7%, and 80.2%, respectively. The quality and completeness of vaccination histories from the registries were inconsistent and varied by sites. CONCLUSIONS: Vaccination coverage estimates were the lowest when only registry-reported data were used and were the highest when provider- and registry-reported histories were combined. Although registries enrolled and matched more children, vaccination histories were missing, incomplete, and inconsistent. The quality and completeness of the registry data must be improved and must be comparable across all states before further consideration may be given to supplement or replace the provider-reported National Immunization Survey data.
Meena Khare; Linda Piccinino; Lawrence E Barker; Robert W Linkins
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Archives of pediatrics & adolescent medicine     Volume:  160     ISSN:  1072-4710     ISO Abbreviation:  Arch Pediatr Adolesc Med     Publication Date:  2006 Aug 
Date Detail:
Created Date:  2006-08-08     Completed Date:  2006-08-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9422751     Medline TA:  Arch Pediatr Adolesc Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  838-42     Citation Subset:  AIM; IM    
National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, Md 20782, USA.
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MeSH Terms
Child, Preschool
Cross-Sectional Studies
Diphtheria-Tetanus-acellular Pertussis Vaccines / administration & dosage*
Health Care Surveys
Immunization / statistics & numerical data*
Immunization Schedule
Informed Consent
Registries / statistics & numerical data*
Reg. No./Substance:
0/Diphtheria-Tetanus-acellular Pertussis Vaccines

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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