Use of Texas birth certificate data to predict measles immunization status
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Published on: September 12, 2016
J M Schulte1, W L Atkinson, L Suarez
1Texas Department of Health, Austin, USA.
Insights
Inadequate measles immunization, a cause of epidemics, is linked to factors like ethnicity, urban living, and poor prenatal care. Birth certificate data can help predict vaccination status.
Area of Science:
- Epidemiology
- Public Health
- Vaccinology
Background:
- Inadequate immunization is a primary driver of measles epidemics.
- Risk factors contributing to insufficient vaccination coverage remain poorly understood.
Purpose of the Study:
- To identify risk factors associated with inadequate measles immunization in children.
- To explore the utility of birth certificate data in predicting vaccination status.
Main Methods:
- Retrospective cohort study of 1,070 Texas-born children diagnosed with measles between 1988-1991.
- Utilized measles databases and computerized birth certificate records for analysis.
- Employed stepwise logistic regression to identify significant risk factors.
Main Results:
- Key predictors of inadequate immunization included black ethnicity, urban residence, and poor prenatal care.
- Preschool age and an unknown father were also significant risk factors.
- Birth certificate data demonstrated predictive value for vaccination status.
Conclusions:
- Specific demographic and socioeconomic factors are associated with inadequate measles immunization.
- Birth certificate data offers a valuable resource for identifying children at risk of under-vaccination.
- Prospective evaluation of birth certificate data for predicting immunization is recommended.
Abstract:
Inadequate immunization has been a major cause of epidemic measles, but risk factors for inadequate immunization are poorly characterized. By using measles data bases and computerized birth certificate files, we identified a retrospective cohort of 1,070 Texas-born children who were aged 15 months to 10 years when they had measles during the 1988 to 1991 epidemics. We used measles and birth certificate data, including prenatal care and demographic information, to determine immunization status and risk factors for inadequate measles immunization. Risk factors predicting lack of immunization in children with measles in stepwise logistic regression were black ethnicity, urban residence, poor prenatal care, preschool age, and an unknown father. Birth certificates contain information that can predict inadequate measles vaccination and should be evaluated prospectively.
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