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

Table 5.

Robustness tests of the impact of policy on TSGIa (disadvantaged groups).


Dependent variable: TSGI

(15) (16) (17) (18) (19) (20) (21) (22)

Timelag_3 P value Timelag_7 P value Timelag_3 P value Timelag_3 P value Timelag_3 P value Timelag_7 P value Timelag_7 P value Timelag_7 P value
Policy 0.018 .60 0.080 .02 2.655 <.001 1.309 <.001 0.283 .06 1.311 .01 0.779 .01 0.199 .27
lnDeaths −0.091 <.001 −0.075 .002 −0.083 .001 −0.090 <.001 −0.087 .001 −0.076 .002 −0.079 .001 −0.072 .002
Policy*lnElderly



−0.938 <.001



−0.443 .02



Policy*Medicalcare





−0.001 <.001



−0.001 .02

Policy*SMEsb







−0.015 .05



−0.007 .43
Control FEc Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
State FE Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Day FE Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Constant 56.693 <.001 58.277 <.001 56.651 <.001 56.684 <.001 56.686 <.001 58.270 <.001 58.294 <.001 58.266 <.001
Observations 4537
4447
4537
4537
4537
4447
4447
4447
R 2 0.826
0.817
0.827
0.827
0.826
0.817
0.817
0.817

aTSGI: Twitter sentiment geographical index.

bSME: small and medium enterprises.

cFE: fixed effect.