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. 2023 Jul 24;25:e45757. doi: 10.2196/45757

Table 2.

Regression results of policy effects.


Dependent variable: TSGIa

(1) (2) (3)

Timelag_3 P value Timelag_7 P value Timelag_14 P value
Policy 0.057 .09 0.091 .008 −0.042 .27
Cases –12.695 .01 −12.986 .01 −8.097 .16
State FEb Yes
Yes
Yes
Day FE Yes
Yes
Yes
Constant 56.141 <.001 57.777 <.001 57.803 <.001
Observations 5048
4933
4242
R 2 0.827
0.819
0.802

aTSGI: Twitter sentiment geographical index.

bFE: fixed effect.