Table 2 Model goodness of fit: balance of predictor variables between Hong Kong and the synthetic control unit during the pre-treatment period (Panel A and Panel B)
Phase One: Implementation of strict border restriction policy for mainland travelers | |||||
|---|---|---|---|---|---|
Panel A | Panel B | ||||
Outcome | Cumulative infections (Fig. 2) | new infections (Fig. 3) | cumulative infections (Fig. 4) | new infections (Fig. 5) | |
Predictor | Hong Kong | Synthetic HK | Synthetic HK | Synthetic HK | Synthetic HK |
# of Cumulative Infections (past-14-day moving average) | 5.31 | 5.09 | 4.44 | 5.06 | 5.05 |
# of Infections per 10,000 people (past-14-day moving average) | 0.0071 | 0.0442 | 0.0218 | 0.0315 | 0.0269 |
# of Population Inflow (preintervention average) | 18,047 | 23,851 | 36,643 | 41,348 | 32,541 |
# of Population Outflow (preintervention, average) | 14,390 | 17,004 | 26,790 | 31,327 | 28,179 |
Region GDP (million yuan) | 2,398,046 | 383,279 | 339,391 | 510,875 | 328,213 |
GDP per capita (yuan) | 321,842 | 369,638 | 211,467 | 323,292 | 231,524 |
# of people per sq.km) | 6,737 | 13,677 | 6,834 | 9,996 | 6,824 |
# of Hospital Beds per 10,000 persons | 54.27 | 47.19 | 46.74 | 45.96 | 50.99 |
# of Medics per 10,000 persons | 19.66 | 30.33 | 29.90 | 33.99 | 33.63 |
Temperature (℃) | 16.24 | 8.57 | 12.24 | 9.49 | 11.40 |
Relative Humidity (%) | 72.50 | 75.40 | 75.40 | 77.84 | 77.81 |
Wind Speed (m/s) | 8.80 | 3.64 | 3.15 | 2.97 | 3.12 |
Air Quality Index (AQI) | 59.21 | 64.15 | 57.23 | 65.19 | 54.33 |
RMSPE | 1.0727 | 0.9194 | 1.1004 | 0.9969 | |