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Mean Walking Speed and Day-to-Day Speed Variability Prefall Differences Among Participants Destined to Fall
| In-Home Sensor-Based Measures | 3 Mo Before Fall | 1 Mo Before Fall | p Value | 1 Wk Before fall | p Value |
|---|---|---|---|---|---|
| Mean daily walking speed (cm s−1), mean (SD) | 69.9 (20.2) | 68.5 (20.5) | .12 | 67.7 (22.8) | .37 |
| Day-to-day variability in walking speed, mean (SD) | 11.0 (6.8) | 9.4 (4.8) | <.01* | 8.0 (3.8) | <.01* |
| Mean number of walks per day | 15.5 (11.3) | 15.1 (10.9) | .66 | 15.2 (11.2) | .86 |
* p < .01.
