| Factor | Item |
| Contact Limitation (CL) | Eating alone in restaurant (CL1) |
| Eating in a restaurant in which there are few people (CL2) | |
| Not sharing food with others in restaurant (CL3) | |
| Time Optimization (TO) | Reduce the length of stay in restaurant (TO1) |
| Eating in restaurant during off-peak hours (TO2) | |
| Keeping Distance (KD) | Maintaining distance while waiting in line (KD1) |
| Sitting in a separate place while eating (KD2) | |
| Not sitting opposite to others (KD3) | |
| Personal Security (PS) | Keep wearing mask except mealtime (KD3) |
| Disinfecting after touching (PS1) | |
| Using contactless payment (PS2) | |
| Dietary Health (DH) | Purchasing food nutrition (PS3) |
| Eating balanced portion of vegetables and meat (DH1) | |
| Focusing on restaurant food safety (DH2) |