Note: 3M = 3 months, 6M = 6 months. Significant differences according to Table 2 are shown in bold.Changes in time (min/d) spent in the 11 superdomains in the Moderate and Extensive groups relative to
Even though mask-wearing was merely “recommended” in Japan during the COVID-19 pandemic, the mask usage rate was higher than that in other countries. This study conducted an econometric analysis to ex