Volume 28, Number 3—March 2022
Research Letter
Restaurant-Based Measures to Control Community Transmission of COVID-19, Hong Kong
Table 2
PHSM |
% Change in Rt (95% CI) |
Model 1 | |
Wave 3 | |
Ban on dine-in service after 6:00 pm† | 0 |
>3 other PHSMs‡ | −53 (−59 to −44) |
Wave 4 | |
Ban on dine-in service after 6:00 pm | 0 |
>3 other PHSMs |
−40 (−47 to −28) |
Model 2 | |
Wave 3 | |
Ban on dine-in service after 6:00 pm | 0 |
>3 other PHSMs, excluding basic civil service arrangement | −51 (−57 to −43) |
Wave 4 | |
Ban on dine-in service after 6:00 pm | 0 |
>3 other PHSMs, excluding basic civil service arrangement | −38 (−46 to −27) |
*Wave 3 was June 15–September 30, 2020; wave 4 was November 1, 2020–March 15, 2021. COVID-19, coronavirus disease; PHSM, public health and social measure; Rt, reproduction number. †Because of variable selection and regularization in LASSO regression, the regression coefficient was shrunk to 0 in the model. ‡Other PHSMs include restricted headcount in restaurants, ban on group gatherings, bar closure, flexible civil service arrangement, and ban on live performances and dancing activity.