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. 2022 May 24;10:881827. doi: 10.3389/fpubh.2022.881827

Table 5.

Robustness tests: replacing the dependent variable and replacing the regression model.

(1) (2) (3) (4) (5) (6)
depress_dum nervous_dum calm_dum hope_dum difficulty_dum meaningful_dum
(A) Binary probit model
Robot 0.0257*** 0.0160*** 0.0150** 0.0156** 0.0102* 0.0223***
(0.0081) (0.0057) (0.0060) (0.0068) (0.0059) (0.0071)
Control variables Yes Yes Yes Yes Yes Yes
N 7,731 7,731 7,731 7,731 7,731 7,731
(B) Ordered probit model
Robot 0.0286*** 0.0160*** 0.0162*** 0.0174*** 0.0123** 0.0232***
(0.0050) (0.0052) (0.0055) (0.0064) (0.0054) (0.0068)
Control variables Yes Yes Yes Yes Yes Yes
N 7,731 7,731 7,731 7,731 7,731 7,731

Robust standard errors are reported in parentheses below the coefficients. ***, **, and * denote significance at the 1%, 5%, 10% levels, respectively. Control variables are estimated as in the Table 2 benchmark.