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IID-10.2 Data Details

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IID-10.2 Maintain the vaccination coverage level of 2 doses of measles-mumps-rubella (MMR) vaccine for children in kindergarten

About the Data

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

Data Source:

Annual School Assessment Reports; Centers for Disease Control and Prevention, National Center for Immunization and Respiratory Diseases (CDC/NCIRD)

Changed Since the Healthy People 2020 Launch:

Yes

Measure:

percent

Baseline (Year):

95.0 (2009–10)

Target:

95.0

Target-Setting Method:

Maintain consistency with national programs, regulations, policies, and laws.

Target-Setting Method Justification:

For these objectives, 95-percent coverage targets as set for Healthy People 2010 have allowed for dramatic control of vaccine-preventable disease in the United States. Morbidity has declined at least 99 percent for most diseases from levels in the 20th century. Achieving and maintaining 95 percent coverage for these vaccines also is an important way of maintaining herd immunity for children who are in close contact—often for the first times in their lives—in a school setting.

Numerator:

Number of surveyed enrollees in kindergarten who received 2 or more doses of MMR vaccine

Denominator:

Number of surveyed enrollees in kindergarten during the survey year

Comparable Healthy People 2010 Objective:

Adapted from HP2010 objective

Data Collection Frequency:

Periodic

Methodology Notes:

Data reflect the median of state vaccination coverage estimates. Estimates are obtained by combining states’ estimates and weighting the vaccine-specific coverage levels reported by states and territories to their respective birth cohorts. Data are provided for a school year and reflect vaccination status at entry into school. For example, vaccination for the 2009-10 school year reflects vaccination coverage for kindergarteners as of start of the school year in 2009. States may collect and/or report data on selective antigens depending upon school entry requirements.

Caveats and Limitations:

Sampling methodology vary by state, which is a major limitation (e.g., some states selected a random sample of kindergarten children and others conducted a census of all kindergarten children).

Changes Between HP2010 and HP2020:

This objective differs from Healthy People 2010 objective 14-23g in that the objective was revised from at least one dose of the combination of measles, mumps, and rubella (MMR) antigens to 2 or more doses of the MMR vaccine.

Revision History

Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.

Description of Changes Since the Healthy People 2020 Launch:

In 2013, the original baseline was revised from 95.0 (2007-2008) to 95.0 (2009-2010) because data prior to 2009-2010 could not be appropriately weighted and verified. The target was not revised.

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