Table 5 The impact of intercity road on laborers’ health status.

	Have you been sick in the last four weeks
	(1)	(2)	(3)	(4)	(5)	(6)
	(1)	(2)	(3)	(4)	Rural	Urban
Highway density	−0.008 **	−0.007 **	−0.009 ***	−0.009 **	−0.009	−0.007*
Highway density	(0.003)	(0.003)	(0.003)	(0.004)	(0.006)	(0.004)
Control variables	√	√	√	√	√	√
Year FE	√	√	√	√	√	√
City FE	√					√
Province FE		√
Community FE			√
Household FE				√	√	√
Obs	9816	9816	9816	9543	3036	6780
Adjusted R²	0.048	0.045	0.067	0.294	0.058	0.049

Standard errors are shown in the parentheses and clustered at the community level. All OLS regressions incorporate control variables at the individual, household, and city levels. Columns 1, 5, and 6 encompasses year and city fixed effects, column 2 encompasses year and province fixed effects, column 3 encompasses year and community fixed effects, and column 4 encompasses year and household fixed effects.
*p < 0.1; **p < 0.05; ***p < 0.01.

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