Attributes and levels used in the discrete choice experiment. Each set of options contained one level for each attribute
| Attributes | Levels |
| Quarantine of potential cases | Voluntary/mandatory |
| Isolation of actual cases | Voluntary/mandatory |
| Cancellation of mass gatherings | None/closure of schools/closure of schools and cancellation of other mass gatherings that involve >30 people in a single location |
| Temperature screening | None/only at border checkpoints/at border checkpoints and other sites within Singapore |
| One-time fee to fund public health measures | S$15/S$20/S$40/S$50 |
| Expected number of infections | 200 cases (1 in 25 000 people are infected) / 500 cases (1 in 10 000 people are infected) / 1000 cases (1 in 5000 people are infected) / 10 000 cases (1 in 500 people are infected) / 1 000 000 cases (1 in 5 people are infected) |
| Expected number of infection-related deaths | 0 deaths/30 deaths/80 deaths/120 deaths/180 deaths |