Table 2.

Attributes and Levels for SP Games.

Attributes considered	Levels
Disease information
Daily confirmed cases at current city	100
	50
	10
Daily confirmed cases at destination city	100
	50
	10
The global average case fatality rate (CFRa)	10% (one death among 10 confirmed cases)
	1% (one death among 100 confirmed cases)
	0.1% (one death among 1000 confirmed cases)
Travel characteristics
Average time to pass through the health and security checks	20 min
	40 min
	60 min
Increased cost of ticket to cover the health control measures	500 HKD
	1,000 HKD
	3,000 HKD
Health control measures
Health declaration	Provide vaccination record
	Provide personal information, self-reported travel history, symptoms
	No need to declare your health condition
Mask requirement	No mask requirements
	Compulsory at the airport, but no requirements during flight
	Compulsory mask-wearing during flight and airport
Onsite Health Check	Temperature screening
	Tests involving sample collection
	No requirements