lags

疫情爆发前

疫情爆发后

Chi-squared

P-value

Chi-squared

P-value

1

85.15

0.0000

0.01

0.9090

2

120.93

0.0000

0.50

0.7784

3

131.86

0.0000

0.51

0.9162

4

137.94

0.0000

7.43

0.1146

5

162.78

0.0000

10.43

0.0638

6

165.30

0.0000

10.41

0.1086

7

165.51

0.0000

29.36

0.0001

8

165.35

0.0000

29.29

0.0003

9

166.62

0.0000

29.23

0.0006

10

166.47

0.0000

29.17

0.0012