Table 4.

WTP more comparison among five age groups.

Age group	N	%	WTP more Mean	SD	F-value	Post-hoc Dunnett T3 test
1.65–69	56	29%	8.52	4.15	5.834**	1 > 5*, 2 > 5**, 3 > 5***
2.70–74	52	27%	9.23	3.45
3.75–79	28	15%	10.36	3.58
4.80–84	43	22%	7.65	5.22
5.85 and above	14	7%	4.14	5.16
Total	193	100%	0.60	0.28

WTP more: 1: NT$0; 2: NT$1–5; 3: NT$6–10; 4: NT$11–15; 5: NT$16–20; 6: NT$21–25; 7: NT$26–30; 8: NT$31–35; 9: NT$36–40; 10: NT$41–45; 11: NT$46–50; 12: NT$51 and above (US$1 = NT$28).

^*p-value < 0.1;

^**p-value < 0.05;

^***p-value < 0.01.