Table 2.

Percentage of each social frail domain at the follow-up period.

	Robust	Social Prefrailty	Social Frailty	Total
Number of the participants (n)	63	29	11	103
Living alone (% yes)	0	6.9	0	1.9
Talking with someone everyday (% no)	0	6.9	9.1	2.9
Feeling helpful to friends or family (% no)	0	0	100	10.7
Going out less frequently compared with last year (% yes)	0	86.2	27.3	27.2
Visiting friends sometimes (% no)	0	0	100	10.7

A value indicates percentage of each social frail state at the following-up period.