Table 2.
Univariable associations between cognitive stage and gait measures (n = 681)
| Preferred (m/s) | % under 1.2 m/s | Fast (m/s) | % under 1.2 m/s | WSR (m/s) | WSR (%) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | % | Mean | SD | % | Mean | SD | Mean | SD | |
| Men | ||||||||||
| Cognitively healthy (n = 193) | 1.13 | 0.19 | 61.7 | 1.75 | 0.25 | 0.5 | 0.62 | 0.20 | 56.66 | 22.19 |
| MCI (n = 158) | 1.08 | 0.19 | 72.2 | 1.64 | 0.28 | 5.1 | 0.56 | 0.19 | 53.41 | 21.16 |
| Mild dementia (n = 24) | 0.93 | 0.19 | 91.7 | 1.41 | 0.21 | 16.7 | 0.48 | 0.13 | 54.51 | 22.22 |
| Moderate dementia (n = 12) | 0.73 | 0.26 | 100.0 | 1.03 | 0.42 | 66.7 | 0.30 | 0.18 | 39.37 | 18.70 |
| Trend (β, 95% CI) | −0.10 | −0.12, −0.07 | −0.18 | −0.21, −0.14 | −0.08 | −0.10, −0.05 | −0.03 | −0.06, −0.01 | ||
| Women | ||||||||||
| Cognitively healthy (n = 128) | 1.11 | 0.20 | 65.6 | 1.62 | 0.22 | 5.5 | 0.51 | 0.16 | 48.26 | 21.10 |
| MCI (n = 94) | 0.98 | 0.22 | 84.0 | 1.43 | 0.29 | 17.0 | 0.45 | 0.18 | 47.17 | 22.18 |
| Mild dementia (n = 46) | 0.78 | 0.19 | 100.0 | 1.14 | 0.30 | 50.0 | 0.36 | 0.19 | 47.24 | 30.06 |
| Moderate dementia (n = 26) | 0.70 | 0.21 | 100.0 | 1.02 | 0.26 | 76.9 | 0.32 | 0.14 | 51.78 | 47.09 |
| Trend (β, 95% CI) | −0.14 | −0.17, −0.12 | −0.21 | −0.24, −0.18 | −0.06 | −0.08, −0.04 | 0.05 | −0.03, 0.04 | ||
One woman was missing a MCI classification
% percentage, WSR walking speed reserve, MCI mild cognitive impairment, β beta coefficient, CI confidence interval