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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.

From: Comparison of performance-based measures among native Japanese, Japanese-Americans in Hawaii and Caucasian women in the United States, ages 65 years and over: a cross-sectional study

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