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. 2017 May 5;66(11):1–28. doi: 10.15585/mmwr.ss6611a1

TABLE 4. Type of tetanus vaccine received, and proportion that were tetanus, diphtheria, acellular pertussis vaccine, among adults aged ≥19 years, by selected characteristics — National Health Interview Survey, United States, 2015.

Characteristic Type of tetanus toxoid-containing vaccine received during 2005–2015
Proportion that was Tdap of the total tetanus toxoid-containing vaccine during 2005–2015*
No. in sample Received Tdap
Received other tetanus vaccine
Doctor did not inform the patient
Could not recall vaccine type
% (95% CI) % (95% CI) % (95% CI) % (95% CI) No. in sample % (95% CI)
Age group (yrs)
≥19
Total
16,996
27.6
(26.5–28.8)
10.8
(10.0–11.5)
49.1
(47.7–50.5)
12.6
(11.7–13.5)
6,550
72.0
(70.2–73.7)
HCP
1,853
45.1
(42.1–48.2)
12.6
(10.7–14.8)
32.0
(28.9–35.2)
10.3
(8.3–12.8)
1,087
78.2§
(74.6–81.3)
Non-HCP
15,124
25.5
(24.3–26.7)
10.5
(9.8–11.4)
51.2
(49.7–52.6)
12.8
(11.9–13.7)
5,460
70.8
(68.7–72.7)
19–64
Total
13,224
28.9
(27.6–30.2)
10.6
(9.9–11.5)
47.8
(46.3–49.4)
12.7
(11.7–13.7)
5,295
73.1
(71.2–74.9)
HCP
1,658
46.3
(43.1–49.7)
12.5
(10.5–14.8)
31.0
(27.8–34.4)
10.2
(8.0–12.8)
998
78.8§
(75.0–82.1)
Non-HCP
11,548
26.4
(25.1–27.8)
10.4
(9.5–11.3)
50.2
(48.6–51.8)
13.0
(12.0–14.0)
4,294
71.8
(69.6–73.9)
≥65
Total
3,772
21.9
(20.0–23.9)
11.3
(9.9–12.8)
54.8
(52.5–57.2)
12.0
(10.5–13.6)
1,255
65.9
(62.2–69.4)
HCP
195
29.1
(20.8–39.2)
14.2
(8.3–23.1)
44.5
(35.4–54.0)
12.1
(7.0–20.1)
89
67.2
(50.8–80.3)
Non-HCP 3,576 21.5 (19.6–23.6) 11.2 (9.8–12.8) 55.3 (52.9–57.7) 12.0 (10.5–13.6) 1,166 65.8 (62.0–69.5)

Abbreviations: CI = confidence interval; HCP = health care personnel; Td = tetanus-diphtheria toxoid; Tdap = tetanus, diphtheria, and acellular pertussis vaccine

* Calculated by dividing the number of respondents who reported receiving Tdap by the sum of those who reported receiving Tdap and those who reported receiving other tetanus vaccination; respondents who reported that the doctor did not inform them of the vaccine type they received and those who could not recall the vaccine type were excluded.

Adults were classified as HCP if they reported they currently volunteer or work in a hospital, medical clinic, doctor’s office, dentist’s office, nursing home or some other health care facility including part-time and unpaid work in a health care facility as well as professional nursing care provided in the home.

§ p<0.05 by T test for comparisons between HCP and non-HCP.