Andersen’s utilization model for cataract surgical rate and empirical evidence from economically-developing areas

BMC Ophthalmology

Table 1 Detailed information on indicators in sub-Saharan Africa and in China

Region	Variable	Mean	Std. Error	Std. Deviation	Bootstrap ^a
					Std. Error	95% Confidence Interval
					Std. Error	Lower	Upper
Sub-Saharan Africa	CSR	594.74	95.89	417.96	98.45	439.47	820.99
	GDP/P	1107.50	320.20	1395.72	318.90	645.85	1891.74
	Cataract surgeons per million	2.84	0.39	1.72	0.40	2.13	3.72
	General Doctors per 1000	0.11	0.02	0.10	0.02	0.07	0.16
	Ageing Proportion	2.93	0.07	0.31	0.07	2.81	3.08
	Male Proportion	49.67	0.14	0.62	0.14	49.40	49.92
	Income per capita	871.82	256.42	1117.72	255.55	504.19	1488.24
China	CSR	1125.42	121.64	677.25	121.73	894.17	1400.21
	GDP/P ^b	8264.30	645.89	3596.18	624.73	7042.04	9537.51
	General Doctors per 1000	2.15	0.07	0.40	0.07	2.03	2.30
	Ageing Proportion	8.51	0.27	1.51	0.26	8.01	9.04
	Male Proportion	51.37	0.12	0.66	0.11	51.15	51.60
	Annual Consumption#	2857.40	232.03	1291.88	224.42	2435.56	3353.69
	Social Insurance scale#	162.90	19.24	107.15	19.14	129.32	207.11

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