Table 1.
Demographic characteristics of people in the HealthPartners Vaccine Safety Datalink cohort (N = 1 099 411) as of December 31, 2023, with and without linked MIIC vaccine data
| Characteristic | No. (%) a | |
|---|---|---|
| People with linked MIIC data (n = 1 001 400) | People without linked MIIC data (n = 98 011) | |
| Sex | ||
| Female | 544 048 (54.3) | 52 542 (53.6) |
| Male | 457 264 (45.7) | 45 463 (46.4) |
| Unknown | 88 (0) | 6 (<0.1) |
| Age, y | ||
| <18 | 174 924 (17.5) | 8074 (8.2) |
| ≥18 | 826 476 (82.5) | 89 937 (91.8) |
| Race and ethnicity | ||
| American Indian/Alaska Native | 2257 (0.2) | 220 (0.2) |
| Asian | 60 390 (6.0) | 3598 (3.7) |
| Hispanic | 52 283 (5.2) | 3172 (3.2) |
| Non-Hispanic Black/African American | 102 614 (10.2) | 7507 (7.7) |
| Non-Hispanic White | 694 279 (69.3) | 75 095 (76.6) |
| Multiple race b | 58 577 (5.8) | 3740 (3.8) |
| Other race and ethnicity c | 31 000 (3.1) | 4679 (4.8) |
Abbreviation: MIIC, Minnesota Immunization Information Connection.
a
Not all percentages total to 100 because of rounding.
b
People who identified as ≥2 races.
c
People who reported being Hawaiian/Pacific Islander, other, or unknown.