Table 1.
Sample size.
No. of observations | Before COVID-19 | After COVID-19 | Total |
---|---|---|---|
Overall | 327,606 | 73,243 | 400,849 |
Matched according to departing month, DOW, and time interval* | 117,408 | 59,823 | 177,231 |
Matched according to departing week, DOW, and time interval* | 71,004 | 52,002 | 123,006 |
Matched according to departing week, DOW, and hour | 34,141 | 34,141 | 68,282 |
*Time interval refers to morning, lunch, evening, and night hours.