Table 1.
Characteristics of participants.
| Characteristic | Participants No. | % |
|---|---|---|
| Age (years), mean (SD) | 21.27 | 2.39 |
| Sex | ||
| Male | 4,045 | 45.6 |
| Female | 4,834 | 54.4 |
| Medical students | ||
| Yes | 5,426 | 61.1 |
| No | 3,453 | 38.9 |
| Location during the COVID-19 | ||
| Cities in Hubei province | 1,941 | 21.9 |
| Cities outside Hubei province | 6,910 | 77.8 |
| Abroad | 28 | 0.3 |
| District | ||
| Urban | 5,084 | 57.3 |
| Rural | 3,795 | 42.7 |
| Type of students | ||
| Undergraduates | 7,564 | 85.2 |
| Master's degree candidates | 1,133 | 12.8 |
| Doctoral candidates | 182 | 2.0 |
| Anyone around you infected with COVID-19 | ||
| Yourself or your family | ||
| Yes | 33 | 0.4 |
| No | 8,846 | 99.6 |
| Relatives but not live together | ||
| Yes | 59 | 0.7 |
| No | 8,820 | 99.3 |
| People in the same community or village | ||
| Yes | 639 | 7.2 |
| No | 8,240 | 92.8 |
| Knowledge scores, mean (SD), max = 8 | 6.79 | 0.99 |
| Attitude scores, mean (SD), max = 8 | 4.96 | 1.23 |
| Practice scores, mean (SD), max = 9 | 7.87 | 1.52 |
| Problematic Internet use | ||
| Yes | 2,519 | 28.4 |
| No | 6,360 | 71.6 |
| PCL-5 | ||
| PTSD | 615 | 6.9 |
| No PTSD | 8,264 | 93.1 |
| CES-D9 | ||
| DS | 465 | 5.2 |
| No DS | 8,414 | 94.8 |
| GAD-7 | ||
| AS | 896 | 10.1 |
| No AS | 7,983 | 89.9 |
| Total | 8,879 | 100.0 |
COVID-19, coronavirus disease 2019; SD, standard deviation; PTSD, the posttraumatic stress disorder; DS, depressive symptoms; AS, anxiety symptoms; PCL-5, the PTSD Checklist for DSM-5; CES-D9, the Center for Epidemiologic Studies Depression 9-item scale; GAD-7, the generalized anxiety disorder 7-item scale.