Table 2.

Descriptive Statistics of Variables

Variables	Mean			SD
	2011	2013	2015	2011	2013	2015
Outpatient care expenditures	725.5	1059.96	1415.71	2395.80	3658.44	4217.65
Inpatient care expenditures	14,782.92	17,139.52	17,395.42	21,223.60	24,570.68	22,093.50
SAH: Good	0.08	0.08	0.08	0.27	0.27	0.28
Chronic disease	0.86	0.80	0.77	0.35	0.40	0.42
Physical examination	0.56	0.53	0.50	0.50	0.50	0.50
Supplementary insurance	0.03	0.09	0.05	0.17	0.29	0.23
Job: Agricultural work	0.50	0.50	0.49	0.50	0.50	0.50
Income	13.42	12.37	8.64	23.89	26.33	20.83
Income2	750.56	845.91	508.37	8140.06	18,369.47	5870.17
Educational attainment: Educated	0.68	0.71	0.76	0.47	0.45	0.42
Type of basic medical insurance: NCMS	0.77	0.77	0.76	0.42	0.42	0.43
Region: East provinces	0.30	0.27	0.27	0.46	0.44	0.44
Primary medical clinic	0.78	0.78	0.78	0.42	0.42	0.42
Hospital	0.09	0.09	0.09	0.29	0.29	0.28
Gender: Male	0.42	0.43	0.43	0.49	0.50	0.50
Age	61.53	61.57	60.87	10.05	9.72	9.67
Obs.	1585	1940	1554	1585	1940	1554