Table 1. Characteristics of the participants (n = 231).
| n | % | |
|---|---|---|
| Sex | ||
| Male | 63 | 27.3 |
| Female | 168 | 72.7 |
| Age (years) | ||
| 18–44 | 119 | 51.5 |
| 45–64 | 96 | 41.6 |
| 65–78 | 16 | 6.93 |
| Occupation | ||
| Doctor | 3 | 1.30 |
| Nurse | 60 | 26.0 |
| Caregiver | 60 | 26.0 |
| Other medical staff | 39 | 16.9 |
| Office worker | 28 | 12.1 |
| Other non-medical staff | 41 | 17.8 |
| Underlying disease | ||
| Yes | 75 | 32.5 |
| None | 156 | 67.5 |
| IgG S1 (before vaccination), median [IQR] | 0.33 [0.28–0.41] | |
| IgG S1 (after vaccination), median [IQR] | 1740 [1201–2185] | |
| Neutralizing activity, median [IQR] | 703 [583–779] | |
| Daily medicine | ||
| Immunosuppressive drug | 2 | 0.86 |
| Antiallergic drug | 7 | 3.02 |
| Analgesic and antipyretic drug | 14 | 6.03 |
| Measure for harmful aftereffects | ||
| Taking off from work | 50 | 21.6 |
| Taking medicine | 52 | 22.4 |
| Other | 6 | 2.59 |
| Nothing | 139 | 59.9 |
IgG, immunoglobulin G; IgM, immunoglobulin M; IQR, interquartile range; S1, spike protein