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

Table 7.

County-level robustness tests.


Dependent variable: TSGI_countya

(29) (30) (31) (32)

Timelag_3 P value Timelag_3 P value Timelag_7 P value Timelag_7 P value
Policy 3.422 <.001 21.31 <.001 2.354 .45 −3.194 .34
Cases −0.013 .01 −0.0154 .02 −1.889 <.001

Policy*lnElderly

−6.256 <.001



Policy*lnPopulation



−0.390 .07

lnDeaths





−0.953 .004
Policy*lnHospitalbeds





3.626 .10
Control FEb Yes
Yes
Yes
Yes
Constant 56.24 <.001 56.258 <.001 59.496 <.001 59.145 <.001
Observations 26,923
26,923
26,923
26,923
R 2 0.308
0.143
0.380
0.356

aTSGI: Twitter sentiment geographical index.

bFE: fixed effect.