Table 3. Factor associated with inpatient expenditure among individual in 1995–96, 2004–05 and 2014–15.

		1995–96		2004–05		2014–15
Explanatory Variables	Categories	Log(β)	P value	Log(β)	P value	Log(β)	P value
Survival Status	Survivors	Ref		Ref		Ref
	Decedents	0.427	0.000	0.489	0.000	0.495	0.000
Type of hospital	Public	Ref		Ref		Ref
	Private	0.689	0.000	0.834	0.000	1.188	0.000
Age group	Less than 15 years	Ref		Ref		Ref
	15–59 years	0.250	0.000	0.174	0.000	0.206	0.000
	60 & more years	0.212	0.001	0.149	0.000	0.175	0.000
Diseases type	Certain infectious and parasitic diseases	Ref		Ref		Ref
	Neoplasm	0.941	0.000	1.366	0.000	1.284	0.000
	Diseases of the blood and blood forming organ	0.186	0.491	0.455	0.000	0.430	0.000
	Endocrine, nutritional and metabolic diseases	0.485	0.001	0.375	0.000	0.282	0.000
	Mental, behavioral and neurodevelopmental diseases	0.572	0.000	0.754	0.000	0.622	0.000
	Disease of the eye and adnexa	0.164	0.113	0.250	0.000	0.183	0.000
	Diseases of the circulatory system	0.726	0.000	1.035	0.000	0.982	0.000
	Diseases of the respiratory system	0.014	0.883	0.149	0.001	0.220	0.000
	Disease of the digestive system	0.410	0.000	0.419	0.000	0.446	0.000
	Diseases of the musculoskeletal system	0.602	0.000	0.671	0.000	0.603	0.000
	Diseases of the genitourinary system	0.707	0.000	0.665	0.000	0.662	0.000
	Symptoms, signs, and abnormal clinical	0.351	0.000	0.466	0.000	0.287	0.041
	External causes of morbidity and mortality	0.595	0.000	0.760	0.000	0.706	0.000
Wealth status	Poor	Ref		Ref		Ref
	Middle	0.327	0.000	0.162	0.000	0.075	0.001
	Rich	1.061	0.000	0.531	0.000	0.462	0.000
Length of hospital stay	Within one week	Ref		Ref		Ref
	More than one week	1.115	0.000	1.155	0.000	1.170	0.000
Constant		6.598	0.000	7.631	0.000	7.655	0.000