Table 2—

Subclinical functional limitation according to diabetes status

ParametersNo diabetesDiabetes
P
All diabetic≤5 years6–15 years>15 years
n2,370556245140135
Self-reported subclinical functional limitation (%)
 Difficulty walking 1 mile25.73836.742.932.6*
 Difficulty rising from chair11.616.618.417.914.1*
 Difficulty walking up 20 steps25.936.230.638.639.3*
 Subclinical functional limitation (any self-reported difficulty)40.353.250.658.650.4*
 One difficulty (n = 639)21.523.424.125.720.7
 Two difficulties (n = 477)14.922.318.025.023.7
 Three difficulties (n = 136)4.07.68.67.95.9*
Physical performance measures
 Time to complete five chair-stands (s)14.2 ± 415.0 ± 4.114.7 ± 4.015.2 ± 3.915.1 ± 3.6*
 Walking speed over 6 meters (m/s)1.18 ± 0.241.11 ± 0.231.14 ± 0.221.11 ± 0.211.07 ± 0.27*
 Standing balance
  Semitandem-tandem score3.74 ± 0.753.59 ± 0.973.71 ± 0.793.53 ± 1.043.46 ± 1.12*
 Balance walks
  Walking speed for narrow walk (m/s)0.96 ± 0.450.80 ± 0.510.85 ± 0.500.80 ± 0.490.73 ± 0.54*
 Summary physical performance score2.21 ± 0.52.00 ± 0.62.08 ± 0.51.98 ± 0.61.91 ± 0.6*
  • Data are means ± SD unless otherwise indicated. Comparison diabetes versus no diabetes:

  • * P < 0.01.

  • P < 0.05 for trend tested by Mantel-Haenszel χ2 for categorical variables and ANOVA for continuous variables. NS, not significant.