Addressing immunization registry population inflation in adolescent immunization rates

Public Health Reports
Steve G Robison

Abstract

While U.S. adolescent immunization rates are available annually at national and state levels, finding pockets of need may require county or sub-county information. Immunization information systems (IISs) are one tool for assessing local immunization rates. However, the presence of IIS records dating back to early childhood and challenges in capturing mobility out of IIS areas typically leads to denominator inflation. We examined the feasibility of weighting adolescent immunization records by length of time since last report to produce more accurate county adolescent counts and immunization rates. We compared weighted and unweighted adolescent denominators from the Oregon ALERT IIS, along with county-level Census Bureau estimates, with school enrollment counts from Oregon's annual review of seventh-grade school immunization compliance for public and private schools. Adolescent immunization rates calculated using weighted data, for the state as a whole, were also checked against comparable National Immunization Survey (NIS) rates. Weighting individual records by the length of time since last activity substantially improved the fit of IIS data to county populations for adolescents. A nonlinear logarithmic (ogive) weight produced t...Continue Reading

References

Oct 16, 1999·Epidemiologic Reviews·A SheferA R Hinman
Jun 3, 2005·The Pediatric Infectious Disease Journal·Sharon G Humiston, Susan L Rosenthal
Jan 19, 2008·Pediatrics·Peter G SzilagyiUNKNOWN Working Group on Adolescent Vaccination in the Medical Home
Mar 23, 2011·Proceedings of the National Academy of Sciences of the United States of America·Jennie S LavineOttar N Bjørnstad
Oct 18, 2011·Preventive Medicine·Kevin J DombkowskiSarah J Clark
May 9, 2012·Pediatrics·Erin BugenskeChristina Dorell
Jan 1, 2005·Multivariate Behavioral Research·Ke-Hai Yuan

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Citations

Jan 4, 2019·Disaster Medicine and Public Health Preparedness·Andrew W Osborn, Lee R Peters
Jun 3, 2016·Public Health Reports·Steve G Robison
Apr 2, 2019·Human Vaccines & Immunotherapeutics·Vincenza GianfrediPier Luigi Lopalco
Oct 8, 2021·American Journal of Public Health·Angela K ShenWalter Orenstein
May 31, 2017·Pediatrics·Steve G Robison, Andrew W Osborn

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