. 2021 Jul 22;23(7):e26284. doi: 10.2196/26284

Table 3.

Cost-effectiveness analysis.

Promotion method	Total days of advertisement	Estimated visitors per 1 day of advertisement	Average cost per visitor, JP ¥^a,b	Estimated registrants per 1 day of advertisement	Average cost per registrant, JP ¥^b
Press release reports (1st week)	4	716.6	2658	183.6	10,376
Press release reports (2nd week+)	4	88.9^c	21,429^c	11.8^c	161,440^c
Newspaper advertisements	4	509.3	3093	64	24,609
Web listing advertisements	42	486.6	201	6.7^c	14,592^c
Web banner advertisements^d	100	N/A^e	N/A	N/A	N/A

^aJP ¥: Japanese yen.

^bA currency exchange rate of US $1 = JP ¥108 was applicable on October 31, 2019.

^cThe efficacy coefficient of these promotion methods were not significant (in Table 2), and, therefore, presented for reference only.

^dThe results for web banner advertisements were negative and therefore not applicable.

^eN/A: Not applicable.