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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Am J Prev Med. 2018 Aug 19;55(4):517–523. doi: 10.1016/j.amepre.2018.04.050

Table 2.

Percent of Respondents Excluded in Vaccination Coverage Estimation Using Age-Appropriate AIS Measure,a NHIS 2015

Age group, %
Composite measure ≥19 years (nb=33,348) 19–59 years (nb=22,168) 60–64 years (nb=2,802) ≥65 years (nb=8,378)
Includes influenza
 Method 1: Tdap (past 10 years) 39.2 38.7 40.9 40.1
 Method 2: Td or Tdap (past 10 years) 6.5 5.7 5.8 9.0
Does not include influenza
 Method 1: Tdap (past 10 years) 39.2 38.7 40.9 40.1
 Method 2: Td or Tdap (past 10 years) 6.5 5.6 5.7 9.0
a

Percent excluded in calculating estimates using data from the 2015 NHIS for age-based composite adult vaccination measures for tetanus toxoid-containing, pneumococcal, herpes zoster, and influenza vaccines. Composite measures “including influenza vaccination” indicates that individuals must have received influenza vaccination in the past 12 months to be considered vaccinated as part of the composite measure.

b

Total unweighted sample size for the overall age group. Individuals who did not answer vaccination questions were excluded from the analysis. AIS, adult immunization status; NHIS, National Health Interview Survey; Td, tetanus and diphtheria toxoids; Tdap, tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis vaccine.