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. 2023 Mar 24;11:1104328. doi: 10.3389/fpubh.2023.1104328

Table 3.

Results of robustness tests.

VAR (1) Pre 3 (2) Pre 1 (3) Tailoring
DID 0.127 (0.115) 0.074 (0.109) −0.450***
(0.119)
Constant 17.817***
(2.896)
17.758***
(2.903)
14.144***
(2.662)
Observations 3,042 3,042 3,042
R 2 0.215 0.215 0.220
Controls YES YES YES
Year-fix YES YES YES
City-fix YES YES YES
***, **, and *

represent statistical significance at the 1%, 5%, and 10% levels respectively. The values in parentheses are robust standard errors for clustering to the city level.