Table 3. The effect of economic development on health complexity: Fixed-effects OLS.

	(1)	(2)	(3)	(4)	(5)	(6)
HCIt−1	0.938***	0.938***	0.938***	0.933***	0.929***	0.929***
	(0.009)	(0.009)	(0.010)	(0.010)	(0.010)	(0.010)
GDPpc	0.013***	0.013***	0.013***	0.012***	0.009**	0.011***
	(0.003)	(0.003)	(0.003)	(0.003)	(0.003)	(0.004)
old		-0.001	-0.001	0.002	0.000	0.002
		(0.006)	(0.006)	(0.006)	(0.007)	(0.007)
female			-0.014	-0.013	0.002	-0.006
			(0.024)	(0.024)	(0.023)	(0.024)
urban				0.020**	0.025***	0.021**
				(0.008)	(0.008)	(0.009)
agriculture					-0.006***	-0.006***
					(0.002)	(0.002)
manufacturing						0.001
						(0.002)
Observations	4,750	4,593	4,593	4,593	4,377	4,181
Countries	190	183	183	183	180	177
R-squared	0.873	0.874	0.874	0.875	0.872	0.872

Note: Dependent variable: Health Complexity Index (HCI). Main independent variable: GDP per capita in logs (GDPpc). Time fixed-effects are included in all regressions. Robust standard errors are in parentheses.

* p<0.10,

** p<0.05,

*** p<0.01.