| - | n | % | |
| What are the symptoms of corona virus COVID-19? | Fever* | 507 | 23.2 |
| Cough* | 447 | 20.5 | |
| Difficulty breathing* | 501 | 23.0 | |
| Fatigue* | 349 | 16.0 | |
| Headache* | 346 | 15.9 | |
| Skin rash | 32 | 1.5 | |
| Who are at higher risk of having COVID-19? | Children | 164 | 15.0 |
| Elderly* | 459 | 41.9 | |
| People with chronic disease* | 463 | 42.2 | |
| I don’t know | 10 | 0.9 | |
| The incubation period of COVID-19 is | 2-7 days | 11 | 2.1 |
| - | 7-14 days* | 452 | 86.8 |
| - | More than 14 days | 53 | 10.2 |
| - | I don’t know | 5 | 1.0 |
| How is COVID-19 transmitted? | Direct contact | 18 | 3.5 |
| - | Indirect contact | 26 | 5.0 |
| - | Both* | 475 | 91.2 |
| - | I don’t know | 2 | .4 |
| Do you think COVID-19 is: | Not dangerous | 21 | 4.0 |
| - | Dangerous* | 244 | 46.8 |
| - | Very dangerous | 256 | 49.1 |
| During COVID-19 outbreak, do you think dental clinics should measure your temperature before seeing the dentist? | Yes* | 505 | 96.9 |
| - | No | 16 | 3.1 |
| During COVID-19 outbreak, do you think dental clinics should ask you about your travelling trips during the past 14 days? | Yes* | 496 | 95.2 |
| - | No | 25 | 4.8 |
| During visiting the dental clinic, do you think you should wash your hands frequently? | Yes* | 515 | 98.8 |
| - | No | 6 | 1.2 |
| During visiting the dentist, do you think you should rinse your mouth before starting dental treatment? | Yes* | 380 | 72.9 |
| - | No | 141 | 27.1 |