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Healthy Aging - Flu Vaccine in Past Year
Indicator 9: Flu Vaccine in Past Year
Influenza and pneumonia kill thousands of older adults annually even though both diseases are largely preventable through vaccination. An average of 36,000 people, the majority of whom are aged 65 years or older, die annually from influenza and its complications, and about half of the 5,000 annual deaths from invasive pneumococcal disease occur in this age group.(1)
Major racial and ethnic disparities have been reported for these two indicators. Hispanics and non-Hispanic blacks have the lowest rates of influenza and pneumonia vaccinations.
A confidence interval (CI) describes the level of
uncertainty of an estimate and specifies the range in which the true value is
likely to fall. The State of Aging and Health in America online report
uses a 95% level of significance, which means that 95% of the time, the true
value falls within these boundaries.
†
Rankings are based on the relative numeric scores for
each indicator, with a ranking of "1" indicating the highest rank.
‡
Grades are calculated as tertiles (thirds) and show state performance relative
to all other states.
§
2003 data are used for Hawaii because no 2004 data exist.
Note:When comparing
prevalence of variables across states or years, we recommend the use of
confidence intervals. If the confidence intervals overlap, the difference is
not statistically significant.
Reference:
1. Centers for Disease Control and Prevention. Racial and Ethnic Adult Disparities in Immunization Initiative (READII) Web site. Available at http://www.cdc.gov/nip/specint/readii (accessed May 23, 2006).
Centers for Disease Control and Prevention 1600 Clifton Rd. Atlanta, GA
30333, USA
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