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. 2017 Nov 21;7:40. doi: 10.1186/s13561-017-0179-x

Table 3.

Ordinary least square regression for altruistic WTP in different health status

	Model 1	Model 2	Model 3	Model 4	Model 4	Model 4
	WTP (SE)	WTP (SE)	WTP (SE)	WTP (SE)	WTP (SE)	WTP (SE)
Cons	−1330.26^b	−1274.28^b	-1311^b	−1245.95^b	−1341.48^b	−1314.88^b
Cons	(115.69)	(112.04)	(106.55)	(111.79)	(210.38)	(337.53)
Sex (ref = male)	−48.12^a	−58.22^b	−58.38^b	−60.29^b	−85.53^a	−102.45
Sex (ref = male)	(19.71)	(19.09)	(18.15)	(19.04)	(35.84)	(57.5)
Age (ref = less than 35 year)	27.08	25.9	33.17	26.81	−23.99	1.36
Age (ref = less than 35 year)	(20.06)	(19.43)	(18.48)	(19.39)	(36.49)	(58.54)
Marital status (ref = single)	35.17	32.9	28.31	25.98	67.98	−15.53
Marital status (ref = single)	(19.49)	(18.88)	(17.95)	(18.83)	(35.45)	(56.87)
Education (ref = nonacademic)	1.93	3.7	4.97	2.91	16.95	23.13
Education (ref = nonacademic)	(20.24)	(19.6)	(18.64)	(19.56)	(36.81)	(59.06)
Income	251.1^b	246.76^b	255.65^b	249.30^b	274.76^b	292.54^b
Income	(15.41)	(14.92)	(14.19)	(14.89)	(28.02)	(44.95)
R square	0.65	0.66	0.7	0.67	0.42	0.24

^aSignificant level at 0.05

^bSignificant level at 0.01