| Sex, % (n) |
|
| Female |
56.3 (126) |
| Male |
43.8 (98) |
| IgG antibody level, median (quartiles) |
26.1 (1.7-98.7) |
| Comorbid disease, % (n) |
|
| None |
95.5 (214) |
| Asthma |
1.3 (3) |
| Hypothroidism |
1.8 (4) |
| Diabetes mellitus |
0.9 (2) |
| Hypertension |
0.4 (1) |
| Health professionals, % (n) |
|
| Nurse |
81.7 (183) |
| Doctor |
18.3 (41) |
| Smoking, % (n) |
|
| Non-user |
65.2 (146) |
| User |
34.8 (78) |
| Body mass index, % (n) |
|
| <25 |
49.1 (110) |
| ≥25 |
50.9 (114) |
| History of COVID-19, % (n) |
|
| Positive |
32.6 (73) |
| Negative |
67.4 (151) |
| CoronaVac, % (n) |
|
| Non-vaccination |
35.7 (80) |
| Vaccinated with 1 dose |
4.5 (10) |
| Vaccinated with 2 doses |
59.8 (134) |
| Advers events after receiving the CoronaVac vaccine, % (n) |
|
| No vaccine-related advers events |
82.0 (118) |
| Vaccine-related advers events |
18.0 (26) |
| Pain in the injection site |
9.7 (14) |
| Headache |
3.4 (5) |
| Fatigue |
3.4 (5) |
| Heart palpitations |
0.7 (1) |
| Fever |
0.7 (1) |
