Factor associated with willingness to pay for prevention of cancer: a study of prostate cancer screening

Table 4 Sample data description of willingness to pay with basic info and complementary info and significancy of their difference (based on USD)

Age group	Info Type	Obs. No	Max	Mode	Average (ML-WTP)	Variance	SD	Z
All ages	WTP-basic info	771	4348	8.70	17.8	41,300	203	−8.7^***
All ages	WTP-complementary info	771	4348	8.70	16.3	33,493	183	−8.7^***
Age 40–49	WTP-basic info	513	4348	8.70	18.8	49,718	223	−7.2^***
Age 40–49	WTP-complementary info	513	4348	8.70	18.5	46,913	217	−7.2^***
Age 50–54	WTP-basic info	105	870	8.70	17.9	8047	90	−2.5^**
Age 50–54	WTP-Complementary info	105	130	8.70	11.6	422	21	−2.5^**
Age 55–59	WTP-basic info	85	870	8.70	18.8	10,179	101	−2.8^***
Age 55–59	WTP-complementary info	85	435	8.70	14.4	2462	50	−2.8^***
Age 60–69	WTP-basic info	54	43	8.70	8.8	67	8	−2.4^**
Age 60–69	WTP-complementary info	54	43	8.70	9.7	80	9	−2.4^**
Age 70 +	WTP-basic info	14	22	6.52	7.9	53	7	1.4
Age 70 +	WTP-complementary info	14	22	6.52	7.7	50	7	1.4

ISSN: 1478-7547