From: Association between handgrip strength, walking, age-related illnesses and cognitive status in a sample of Portuguese centenarians
Time spent/3 m
Number of subjects
0– < 10 seg
25
10– < 20 seg
22
20– < 30 seg
3
30– < 40 seg
1
40– < 50 seg
50– < 60 seg
0
>60 seg