Table 1. Participant characteristics (n = 300).
| Variables | Values | |
|---|---|---|
| Sex, male | 150 (50.0) | |
| Age, yr | 17.0 ± 0.9 | |
| Grade | ||
| 1st grade | 100 (33.3) | |
| 2nd grade | 100 (33.3) | |
| 3rd grade | 100 (33.3) | |
| School types | ||
| General high school | 221 (73.7) | |
| Special purpose high school | 22 (7.3) | |
| Specialized vocational high schools | 44 (14.7) | |
| Autonomous private high school | 11 (3.7) | |
| Others | 2 (0.7) | |
| Questions on COVID-19 | ||
| Were you quarantined due to infection with COVID-19? (Yes) | 68 (22.7) | |
| Were you infected with COVID-19? (Yes) | 5 (1.7) | |
| Did you get vaccinated? (Yes) | 126 (42.0) | |
| Do you want to get vaccinated, if it is available? (Yes)a | 112 (64.4) | |
| Psychiatric history | ||
| Have you experienced or received treatment for depression, anxiety, or insomnia? (Yes) | 52 (17.3) | |
| Do you believe that you are depressed or anxious, or do you need help for your mood state? (Yes) | 38 (12.7) | |
Values are expressed as mean ± standard deviation or number (%).
COVID-19 = coronavirus disease 2019.
aAmong participants who did not get vaccinated (n = 174).