Table 6.

Factors associated with the response “I would not want to use the app” when a fee reduction is presented as a trade-off for additional functions A to C.

Independent variables			Function A, odds ratio (95% CI)		Function B, odds ratio (95% CI)		Function C, odds ratio (95% CI)
Female (reference: male)			1.2 (1.0-1.7)		1.2 (0.9-1.6)		1.2 (0.9-1.6)
Age (years) group (reference: aged <34 years)
	35-64 years	0.9 (0.5-1.4)		0.8 (0.5-1.3)		0.9 (0.5-1.4)
	≥65 years	0.7 (0.4-1.4)		0.7 (0.4-1.2)		0.8 (0.4-1.5)
Living alone (reference: living with others)			1.1 (0.7-1.5)		1.1 (0.8-1.6)		1.1 (0.7-1.6)
SNSa accessed occasionally per week (reference: accessed below this amount)
	Twitter	0.9 (0.6-1.2)		0.9 (0.6-1.3)		1.0 (0.7-1.4)
	Facebook	0.9 (0.6-1.4)		0.9 (0.6-1.3)		0.8 (0.5-1.1)
	Instagram	0.7 (0.4-1.0)		0.8 (0.5-1.1)		0.8 (0.5-1.1)
COVID-19 infection history (reference: no history)
	Respondent has a history of COVID-19	0.9 (0.4-1.9)		0.8 (0.4-1.8)		0.9 (0.4-2.0)
	Respondent's family has a history of COVID-19	0.9 (0.6-1.3)		0.9 (0.6-1.3)		0.9 (0.6-1.2)
Respondent fears COVID-19 infection (reference: disagree)
	Fear of health deterioration to oneself	1.1 (0.7-1.8)		1.0 (0.6-1.6)		1.1 (0.7-1.8)
	Fear of transmission to one's family and friends	0.5 (0.2-0.9)		0.7 (0.3-1.2)		0.5 (0.3-0.9)
	Fear of transmission to people other than family members or friends	0.9 (0.5-1.7)		0.8 (0.4-1.4)		1.0 (0.5-1.7)
Compliance with preventative behaviors (reference: I do not do this)
	Wearing masks when going out	0.9 (0.5-1.9)		0.9 (0.5-1.8)		1.0 (0.5-1.9)
	Restrictions on activities such as meetings	0.5 (0.3-0.8)		0.5 (0.3-0.9)		0.6 (0.3-0.9)
Assessment of authorities (reference: disagree)
	Infection is being controlled through infection countermeasures conducted by authorities	0.9 (0.6-1.5)		0.9 (0.6-1.4)		0.8 (0.5-1.3)
	Authorities control infections with a sense of responsibility	0.7 (0.5-1.1)		0.7 (0.5-1.1)		0.7 (0.5-1.1)
	I am concerned that my personal information collected by authorities might be leaked or misused for other purposes	1.8 (1.3-2.4)		1.9 (1.5-2.6)		1.8 (1.4-2.4)

^aSNS: social networking site.