Table 3.

Application usage, digital literacy, and mortality, compared by age group, in Korea.

Variable	Age group
	20-29 years	30-39 years	40-49 years	50-59 years	60-69 years	≥70 years
Application usagea, n (%)	23,001 (27.50)	28,019 (33.50)	12,964 (15.50)	10,455 (12.50)	4600 (5.50)	4600 (5.50)
Digital literacyb (%)	112.30	123.00	121.70	112.70	73.60	35.70
Fatality cases, n (%)c	0 (0)	1 (0.10)	1 (0.08)	10 (0.56)	21 (1.75)	111 (10.43)

^aEstimated users from age group percentage and total number of users.

^bDigital literacy is expressed as a relative score to the average literacy of the Korean public (score=100). A group score >100 indicates that the digital literacy of that group is higher than that of the general public.

^cThe COVID-19 fatality rate (%) is defined as an occurrence of death from a confirmed case of COVID-19.