Table 5. The regression and bootstrap test results of the mediating effects in different urbanization level groups^a.

	High-urbanization-level communities			Low-urbanization-level communities
	Regression coefficients of Model 3	Bootstrap tests [95% confidence interval]	Mean (S.D.)	Regression coefficients of Model 3	Bootstrap tests [95% confidence interval]	Mean (S.D.)
IL	6.868	insignificant	9.146	22.835**	/	8.692
	(10.116)	[-6.797, 9.227]	(1.017)	(11.002)		(0.998)
ES	-53.672*	/	0.039	-17.313	insignificant	0.696
	(29.565)		(0.103)	(16.462)	[-26.537, 37.105]	(0.284)
RM	1.205	insignificant	6.791	0.205*	/	3.958
	(1.046)	[-2.851,7.686]	(2.590)	(1.186)		(3.494)
Contr1-6	Yes			Yes
Provincial fixed effect	Yes			Yes
Time fixed effect	Yes			Yes
Observations	597			428

^a *, ** and *** in “Regression coefficients of Model 3” represent that the statistics are significant at the 10%, 5% and 1% levels, respectively.