Baseline Characteristics of MenACWY-CRM Recipients 11 Through 21 Years of Age, KPSC, Including the Period From 2011 to 2013
| Characteristics | Numbers |
|---|---|
| Total, n | 48 899 |
| Sex, n (%) | |
| Men | 23 540 (48.1) |
| Women | 25 359 (51.9) |
| Race/ethnicity, n (%) | |
| Hispanic | 24 046 (49.2) |
| White | 14 563 (29.8) |
| African American | 4584 (9.4) |
| Asian | 2750 (5.6) |
| Native American/Alaskan | 75 (0.2) |
| Pacific Islander | 344 (0.7) |
| Multiple | 403 (0.8) |
| Other | 517 (1.1) |
| Unknown | 1617 (3.3) |
| Age at index vaccination, mean (SD), y | 15.0 (3.4) |
| Median (Q1, Q3) | 16 (11, 17) |
| 11–17, n (%) | 37 028 (75.7) |
| 18–21, n (%) | 11 871 (24.3) |
| Previous MCV4 vaccination, n (%) | |
| No | 27 951 (57.2) |
| >6 mo before index vaccination | 20 888 (42.7) |
| ≤6 mo before index vaccination | 60 (0.1) |
| Time since most recent MCV4 dose, mean (SD), y | 4.1 (1.5) |
| Median (Q1, Q3) | 4.2 (3.1, 5.0) |
| Minimum–maximum | 0.0–12.6 |
| Other vaccinations <6 mo before index vaccination, n (%) | |
| Yes | 8656 (17.7) |
| No | 40 243 (82.3) |
| Concomitant vaccination, n (%) | |
| Yes | 35 184 (72.0) |
| No | 13 715 (28.0) |
Q1, first quartile; Q3, third quartile.