Table 5. Seroprevalence of the mumps antibody in new female nurses.
| Variables | No. | Positive | Equivocal | Negative | p-valuea | |
|---|---|---|---|---|---|---|
| All | 83 | 50 (60.2) | 9 (10.9) | 24 (28.9) | ||
| Age (years) | 0.783 | |||||
| > 20, ≤ 25 | 63 | 37 (58.7) | 9 (14.3) | 17 (27.0) | ||
| > 25, ≤ 30 | 18 | 11 (61.1) | 0 (0.0) | 7 (38.9) | ||
| > 30, ≤ 35 | 2 | 2 (100.0) | 0 (0.0) | 0 (0.0) | ||
| > 35, ≤ 40 | 0 | 0 | 0 | 0 | ||
| Birth year | 0.163 | |||||
| 1995–1999 | 16 | 14 (87.5) | 1 (6.3) | 1 (6.3) | ||
| 1990–1994 | 44 | 24 (54.5) | 5 (11.4) | 15 (34.1) | ||
| 1985–1989 | 15 | 6 (40.0) | 3 (20.0) | 6 (40.0) | ||
| 1980–1984 | 8 | 6 (75.0) | 0 (0.0) | 2 (25.0) | ||
Values are presented as numbers (%).
aComparison performed using the χ2 test or linear-by-linear association.