Table 2.

Poisson regression analysis results.

Variable	Coefficient	Standard error	p-value
Intercept	3.386	0.822	< 0.001
Inbounda	0.0408	0.00721	< 0.001
Old-age dependency ratiob	−0.0313	0.0145	0.032
Temperaturec	−0.128	0.0258	< 0.001

^aInbound visitors from China per 1,000 population in January 2020.

^bThe ratio of the number of people aged 65 and over, compared to the number of people 15-64 years old in 2019

^cMean temperature in the prefectural capitals in February 2020.