Table 3.
Measles IgG titer after two-dose MMR vaccination among seronegative healthcare workers
| Factor | Measles IgG titer (AU/mL), median (IQR) |
P value |
|---|---|---|
| Sex Male (n = 6) Female (n = 80) |
67.5 (39.9–99.2) 101.2 (53.8–171.0) |
.147 |
| Age group 20–25 yr (n = 57) 26–29 yr (n = 15) ≥30-34 yr (n = 15) |
104.0 (55.4–171.0) 88.9 (46.1–135.0) 78.5 (36.7–161.0) |
.515 |
| Occupational group Doctor (n = 2) Nurse (n = 64) Nurse aide (n = 5) Other clinical HCW (n = 8) Administrative staff (n = 7) |
44.1 (19.9–68.2) 106.0 (53.4–184.5) 128.0 (39.9–128.0) 76.3 (46.1–88.9) 84.5 (66.9–203.0) |
.439 |
| Previous MCV immunization Unknown (n = 17) One dose (n = 59) Two doses or more (n = 10) |
88.9 (65.8–135.0) 103.0 (50.1–170.5) 134.0 (53.8–177.0) |
.867 |
HCW, healthcare worker; IQR, inter-quartile range; MCV, measles-containing vaccine; MMR, measles-mumps-rubella.