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Changes in Clinic Vaccination Coverage After Institution of Measurement and Feedback in 4 States and 2 Cities
Charles W. LeBaron, MD;
J. Todd Mercer, MPH;
Mehran S. Massoudi, PhD, MPH;
Eugene Dini, MPA;
John Stevenson, MA;
Wayne M. Fischer, MPH;
Herbert Loy;
Lori Stonehocker Quick, RN, MSN;
John C. Warming;
Pat Tormey, RN, MPH;
M. DesVignes-Kendrick, MD, MPH
Arch Pediatr Adolesc Med. 1999;153:879-886.
Background Since 1995, states and jurisdictions receiving federal immunization funds have been required to perform annual measurements of vaccination coverage in their public clinics, based on data from Georgia where clinic coverage increased after the institution of a measurement and feedback intervention.
Objective To determine if clinic vaccination coverage improved in localities that used the Georgia intervention model.
Design Retrospective examination of clinic vaccination coverage data.
Participants Children aged 19 to 35 months enrolled in clinics in localities that had applied the intervention for 4 years or longer.
Intervention The Georgia intervention model: assessment of clinic vaccination coverage, feedback of the information to the clinic, incentives to clinics, and promotion of exchange of information among clinics (AFIX).
Main Outcome Measure Change in median clinic coverage rates, based on the primary (4-3-1) vaccine series, with comparison to results of the National Immunization Survey.
Results Four states and 2 cities that had applied the AFIX intervention for 4 years or longer were identified. The number of clinic records reviewed annually was 4639 to 18,000 in 73 to 116 clinics for states, and 714 to 5276 in 8 to 25 clinics for cities. Median clinic coverage rose in all localities: Missouri, 44% (1992) to 93% (1997); Louisiana, 61% (1992) to 83% (1997); Colorado, 55% (1993) to 75% (1997); Iowa, 71% (1994) to 89% (1997); Boston, Mass, 41% (1994) to 79% (1997); and Houston, Tex, 28% (1994) to 84% (1997). The increase in clinic coverage exceeded that of the general population in 5 localities and was identical in the sixth. The average annual coverage rise attributable to the intervention was +5 percentage points per year (Georgia, +6 per year). The average crude direct program cost was $49,533 per locality per year.
Conclusion The Georgia intervention model (AFIX) can be reproduced elsewhere and is associated with improvements in clinic vaccination coverage.
From the National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Ga (Drs LeBaron and Massoudi and Messrs Mercer, Dini, and Stevenson); Missouri Department of Health, Jefferson City (Mr Fischer); Louisiana Department of Health and Hospitals, New Orleans (Mr Loy); Colorado Department of Public Health and Environment, Denver (Ms Quick); Iowa Department of Public Health, Des Moines (Mr Warming); Boston Public Health Commission, Boston, Mass (Ms Tormey); and Houston Department of Health and Human Services, Houston, Tex (Dr DesVignes-Kendrick).
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