Table 1.
Participant Baseline Characteristics
| Characteristic | V114 | PCV13 | Total | |||
|---|---|---|---|---|---|---|
| No. | (%) | No. | (%) | No. | (%) | |
| Vaccinated participants | 1133 | (100.0) | 379 | (100.0) | 1512 | (100.0) |
| Sex | ||||||
| Female | 581 | (51.3) | 200 | (52.8) | 781 | (51.7) |
| Male | 552 | (48.7) | 179 | (47.2) | 731 | (48.3) |
| Age, y | ||||||
| 18–29 | 329 | (29.0) | 105 | (27.7) | 434 | (28.7) |
| 30–39 | 351 | (31.0) | 112 | (29.6) | 463 | (30.6) |
| 40–49 | 453 | (40.0) | 162 | (42.7) | 615 | (40.7) |
| Mean (range) | 35.8 | (18–49) | 35.8 | (18–49) | 35.8 | (18–49) |
| Race | ||||||
| White | 580 | (51.2) | 191 | (50.4) | 771 | (51.0) |
| American Indian/Alaska Native | 445 | (39.3) | 148 | (39.1) | 593 | (39.2) |
| Black | 43 | (3.8) | 18 | (4.7) | 61 | (4.0) |
| Native Hawaiian/other Pacific Islander | 33 | (2.9) | 11 | (2.9) | 44 | (2.9) |
| Asian | 15 | (1.3) | 8 | (2.1) | 23 | (1.5) |
| Multiple | 17 | (1.5) | 3 | (0.8) | 20 | (1.3) |
| Ethnicity | ||||||
| Not Hispanic/Latino | 982 | (86.7) | 337 | (88.9) | 1319 | (87.2) |
| Hispanic/Latino | 135 | (11.9) | 39 | (10.3) | 174 | (11.5) |
| Not reported | 8 | (0.7) | 1 | (0.3) | 9 | (0.6) |
| Unknown | 8 | (0.7) | 2 | (0.5) | 10 | (0.7) |
| Subjects by enrollment at CAIH/non-CAIH sites | ||||||
| CAIH sites | 439 | (38.7) | 148 | (39.1) | 587 | (38.8) |
| Non-CAIH sites | 694 | (61.3) | 231 | (60.9) | 925 | (61.2) |
| Subjects by risk factorsa,b | ||||||
| With no risk factorc | 285 | (25.2) | 96 | (25.3) | 381 | (25.2) |
| With single risk factor | 620 | (54.7) | 207 | (54.6) | 827 | (54.7) |
| Tobacco use | 165 | (14.6) | 56 | (14.8) | 221 | (14.6) |
| Chronic lung disease | 163 | (14.4) | 53 | (14.0) | 216 | (14.3) |
| Diabetes mellitus | 157 | (13.9) | 51 | (13.5) | 208 | (13.8) |
| Chronic heart disease | 57 | (5.0) | 20 | (5.3) | 77 | (5.1) |
| Alcohol consumptionc,d | 50 | (4.4) | 18 | (4.7) | 68 | (4.5) |
| Chronic liver disease | 28 | (2.5) | 9 | (2.4) | 37 | (2.4) |
| With ≥2 risk factors | 228 | (20.1) | 76 | (20.1) | 304 | (20.1) |
| Subjects by risk factors and age groupb | ||||||
| 18–29 y | 329 | (29.0) | 105 | (27.7) | 434 | (28.7) |
| With no risk factorc | 131 | (11.6) | 49 | (12.9) | 180 | (11.9) |
| With single risk factor | 147 | (13.0) | 40 | (10.6) | 187 | (12.4) |
| With ≥2 risk factors | 51 | (4.5) | 16 | (4.2) | 67 | (4.4) |
| 30–39 y | 351 | (31.0) | 112 | (29.6) | 463 | (30.6) |
| With no risk factorc | 99 | (8.7) | 26 | (6.9) | 125 | (8.3) |
| With single risk factor | 194 | (17.1) | 63 | (16.6) | 257 | (17.0) |
| With ≥2 risk factors | 58 | (5.1) | 23 | (6.1) | 81 | (5.4) |
| 40–49 y | 453 | (40.0) | 162 | (42.7) | 615 | (40.7) |
| With no risk factorc | 55 | (4.9) | 21 | (5.5) | 76 | (5.0) |
| With single risk factor | 279 | (24.6) | 104 | (27.4) | 383 | (25.3) |
| With ≥2 risk factors | 119 | (10.5) | 37 | (9.8) | 156 | (10.3) |
Table includes all vaccinated participants.
Abbreviations: CAIH, Center for American Indian Health; PCV13, 13-valent pneumococcal conjugate vaccine; V114, 15-valent pneumococcal conjugate vaccine.
Subject is counted for each applicable row and column.
Actual strata assignments were used in the summaries of risk factors.
All subjects with no risk factor and subjects with a single risk factor of alcohol consumption were enrolled at CAIH sites.
The risk factor of alcohol consumption is defined as an Alcohol Use Disorders Identification Test-Consumption (AUDIT-C) score ≥5.