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Estimates from the Behavioral Risk Factor Surveillance System (BRFSS), National Immunization Survey (NIS), and the National 2009 H1N1 Flu Survey (NHFS)

Race/Ethnicity, Adults 18 to 64 Years at High-Risk

Table 6 summarizes national weighted estimates of influenza vaccination coverage by race/ethnicity for adults 18-64 years at high-risk, across several recent influenza seasons. Coverage estimates have been previously published for the 2009-10 influenza season and the 2010-11 season, but estimates for 2007-08 and 2008-09 have not been previously published.

Please note: There have been changes in data sources, time periods, and vaccination recommendations across seasons. The 2009-10 influenza season was unique for several reasons: two vaccines and vaccination periods, and the availability of information for more high risk conditions. Detailed methods are available for the 2009-10 influenza season and the 2010-11 season. For 2007-08 and 2008-09 BRFSS adult estimates, the same analytic methods were used as for the 2010-11 season estimates just cited.

Additional estimates for 2009-10 vaccination coverage are available in Table 6-B or by selecting the column heading “2009-10 Seasonal (Trivalent)” in Table 6-A.

Table 6-A: Influenza vaccination coverage estimates by race/ethnicity among adults 18-64 years at high-risk* — United States,† 2007-08 through 2010-11

Racial/Ethnic GroupsEstimate2007-082008-092009-10
Seasonal
(Trivalent)§
2010-11
High-risk 18–64  years, non-Hispanic white only

n

19,940

34,039

43,108

30,818

 

%||

47.0

48.8

48.6

48.1

 

±95% CI

1.6

1.4

1.0

1.6

High-risk 18–64  years, non-Hispanic black only

n

2,915

5,175

6,673

4,566

 

%

41.3

50.0

40.6

42.6

 

±95% CI

4.1

4.9

2.5

4.9

High-risk 18–64  years, Hispanic

n

1,841

3,201

3,968

2,984

 

%

35.6

45.1

41.0

44.6

 

±95% CI

5.1

4.3

3.2

5.3

High-risk 18–64  years, non-Hispanic other (overall)**

n

1,993

3,226

4,051

2,972

 

%

46.6

47.2

46.5

44.8

 

±95% CI

4.9

5.1

5.3

5.1

  High-risk 18–64  years, non-Hispanic other (Asian only)

n

315

548

650

484

 

%

47.7

51.5

50.6

42.8

 

±95% CI

11.0††

10.8††

13.8††

10.4††

  High-risk 18–64  years, non-Hispanic other (AIAN only)‡‡

n

702

1,102

1,317

950

 

%

51.2

52.4

49.5

41.3

 

±95% CI

8.6

8.2

5.4

10.2††

  High-risk 18–64  years, non-Hispanic other§§

n

976

1,576

1,938

1,538

 

%

44.0

41.9

43.5

47.3

 

±95% CI

6.9

7.4

4.2

7.1

* For 2009-10, the selected high risk conditions were asthma, other lung conditions, diabetes, heart disease, kidney conditions, anemia, weakened immune system caused by a chronic illness or by medicines taken for a chronic illness. For 2007-08, 2008-09, and 2010-11, selected high-risk conditions were asthma, diabetes, heart disease.

† Excludes U.S. territories.

‡ For 2007-08 and 2008-09, data are from the Behavioral Risk Factor Surveillance System (BRFSS). For 2007-08, coverage estimates represent those interviewed January 2008–June 2008 who reported being vaccinated August 2007–May 2008. For 2008-09, coverage estimates represent those interviewed September 2008–June 2009 who reported being vaccinated August 2008–May 2009. For 2009-10, data are from BRFSS and the National 2009 H1N1 Flu Survey (NHFS). For seasonal influenza vaccination, coverage estimates represent those interviewed October 2009–June 2010 who reported being vaccinated August 2009–May 2010. For more on methods see the Data Source and Methods of the report Final estimates for 2009–10 Seasonal Influenza and Influenza A (H1N1) 2009 Monovalent Vaccination Coverage – United States, August 2009 through May 2010. For 2010-11, data are from BRFSS. Coverage estimates represent those interviewed September 2010– June 2011 who reported being vaccinated August 2010–May 2011. For more on methods see the Data Source and Methods of the report Final state-level influenza vaccination coverage estimates for the 2010–11 season–United States, National Immunization Survey and Behavioral Risk Factor Surveillance System, August 2010 through May 2011.

§ Seasonal: Seasonal influenza vaccination (trivalent).

|| Month of vaccination was imputed for respondents with missing month of vaccination data. Percentages are weighted to the non-institutionalized, U.S. civilian population.

¶ CI: Confidence Interval.

** Includes Asian, American Indian and Alaska Native (AIAN), Native Hawaiian or other Pacific Islander, multiracial, and other races.

†† Estimates might be unreliable because confidence interval half-width is >10.

‡‡ AIAN: American Indian and Alaska Native.

§§ Includes Native Hawaiian or other Pacific Islander, multiracial, and other races.

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Table 6-B: Influenza vaccination coverage estimates by race/ethnicity among adults 18-64 years at high-risk* — United States,† 2009-10

Racial/Ethnic GroupsEstimateSeasonal
(Trivalent)§
H1N1
(Monovalent)§
Seasonal
and/or H1N1§
High-risk 18-64 years, non-Hispanic white only

n

43,108

31,320

42,692

 

%||

48.6

30.2

53.6

 

±95% CI

1.0

1.2

1.1

High-risk 18-64 years, non-Hispanic black only

n

6,673

5,093

6,711

 

%

40.6

23.1

46.6

 

±95% CI

2.5

2.6

2.6

High-risk 18-64 years, Hispanic

n

3,968

2,957

4,001

 

%

41.0

27.5

50.3

 

±95% CI

3.2

3.0

3.4

High-risk 18-64 years, non-Hispanic other (overall)**

n

4,051

3,066

4,064

 

%

46.5

28.4

48.8

 

±95% CI

5.3

4.1

4.7

  High-risk 18-64 years, non-Hispanic other (Asian only)

n

650

491

657

 

%

50.6

30.1

47.3

 

±95% CI

13.8††

10.3††

9.4

  High-risk 18-64 years, non-Hispanic other (AIAN only)‡‡

n

1,317

931

1,310

 

%

49.5

30.6

52.8

 

±95% CI

5.4

5.8

5.3

  High-risk 18-64 years, non-Hispanic other§§

n

1,938

1,425

1,943

 

%

43.5

27.3

47.5

 

±95% CI

4.2

4.4

4.2

* For 2009-10, the selected high risk conditions were asthma, other lung conditions, diabetes, heart disease, kidney conditions, anemia, weakened immune system caused by a chronic illness or by medicines taken for a chronic illness.

† Excludes U.S. territories.

‡ For 2009-10, data are from BRFSS and the National 2009 H1N1 Flu Survey (NHFS). For seasonal influenza vaccination, coverage estimates represent those interviewed October 2009–June 2010 who reported being vaccinated August 2009–May 2010. For influenza A (H1N1) 2009 monovalent vaccination, coverage estimates represent those interviewed November 2009–June 2010 who reported being vaccinated October 2009–May 2010. For more on methods see the Data Source and Methods of the report Final estimates for 2009–10 Seasonal Influenza and Influenza A (H1N1) 2009 Monovalent Vaccination Coverage – United States, August 2009 through May 2010.

§ H1N1: Influenza A (H1N1) 2009 vaccination (monovalent); Seasonal: Seasonal influenza vaccination (trivalent).

|| Month of vaccination was imputed for respondents with missing month of vaccination data. Percentages are weighted to the non-institutionalized, U.S. civilian population.

¶ CI: Confidence Interval.

** Includes Asian, American Indian and Alaska Native (AIAN), Native Hawaiian or other Pacific Islander, multiracial, and other races.

†† Estimates might be unreliable because confidence interval half-width is >10.

‡‡ AIAN: American Indian and Alaska Native.

§§ Includes Native Hawaiian or other Pacific Islander, multiracial, and other races.

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