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. 2022 Oct 31;10:1030283. doi: 10.3389/fpubh.2022.1030283

Table 3.

PSM-DID regression results.

(1) (2) (3) (4) (5) (6)
Rem-vol Rem-vol Tre-cap Tre-cap Tre-rate Tre-rate
Hea-City 0.1479*** 0.0999* −3.5130** 0.0792* 0.0974* −2.4088**
(0.0430) (0.0514) (1.3757) (0.0448) (0.0569) (1.2267)
Control variable Yes Yes Yes Yes Yes Yes
Constant 3.2771*** 6.6665*** 78.4071*** 3.4477*** 6.6603*** 82.1402***
(0.1263) (0.1596) (5.2696) (0.1385) (0.1954) (3.8590)
Observations 4,447 3,925 3,972 3,023 2,715 2,743
Adjusted R2 0.2952 0.3935 0.2548 0.4294 0.4059 0.2338

Numbers in brackets are robust standard errors clustered at the city level.

***, **, and *

indicate p < 0.01, p < 0.05, and p < 0.1, respectively.

Controlled for year fixed effects and city fixed effects.