Table 2

Chair stand time, usual walking speed, rapid walking speed and grip strength by age group among native Japanese, Japanese-American and Caucasian women.

Native Japanese
 Japanese-Americans
 Caucasians
Age group
 No.
 Mean
 95%CI
 No.
 Mean
 95%CI
 No.
 Mean
 95%CI
Chair stand time (sec)
     65–69
 82
 8.0
 7.2–8.8
 110
 8.2
 7.4–9.1
 4028
 11.4
 11.2–11.7
     70–74
 50
 8.7
 7.7–9.8
 264
 8.5
 8.0–9.1
 2933
 12.4
 12.1–12.7
     75–79
 19
 9.5
 7.7–11.2
 210
 9.0
 8.4–9.6
 1475
 13.2
 12.8–13.6
     >80
 12
 9.5
 7.5–11.6
 66
 9.9
 8.9–10.9
 906
 15.6
 15.2–16.1
%difference*
18.8

20.7

36.8
Usual walking speed (m/sec)
     65–69
 82
 1.08
 1.02–1.15
 113
 1.18
 1.11–1.25
 3535
 0.97
 0.95–0.98
     70–74
 50
 0.99
 0.90–1.07
 273
 1.12
 1.08–1.16
 2557
 0.90
 0.88–0.91
     75–79
 19
 0.89
 0.75–1.03
 218
 1.01
 0.96–1.06
 1258
 0.83
 0.81–0.85
     >80
 12
 0.86
 0.70–1.02
 76
 0.87
 0.80–0.95
 690
 0.74
 0.71–0.76
%difference*
20.4

26.3

23.7
Rapid walking speed (m/sec)
     65–69
 82
 1.41
 1.32–1.50
 113
 1.55
 1.46–1.64
 3535
 1.36
 1.35–1.38
     70–74
 50
 1.27
 1.16–1.39
 273
 1.50
 1.44–1.56
 2556
 1.28
 1.26–1.30
     75–79
 19
 1.13
 0.95–1.32
 218
 1.38
 1.31–1.44
 1258
 1.20
 1.17–1.22
     >80
 11
 1.19
 0.96–1.42
 74
 1.19
 1.09–1.30
 690
 1.07
 1.03–1.10
%difference*
15.6

23.2

21.3
Grip strength (kg)
     65–69
 82
 25.4
 23.7–27.1
 112
 21.6
 20.4–22.8
 4034
 22.9
 22.6–23.1
     70–74
 50
 23.1
 20.9–25.3
 274
 19.9
 19.1–20.7
 2955
 21.6
 21.3–21.9
     75–79
 19
 23.6
 20.0–27.2
 219
 18.5
 17.6–19.4
 1485
 20.5
 20.2–20.9
     >80
 12
 20.7
 16.5–24.8
 76
 16.3
 14.9–17.7
 929
 18.6
 18.2–19.1
%difference*
18.5

24.5

18.8

* %difference with age (age 80+ vs 65–69)

Aoyagi et al. BMC Geriatrics 2001 1:3   doi:10.1186/1471-2318-1-3