Table 2.
Participant Characteristics by Terciles of Mean Daily Steps During the First Week Home After Hospital Discharge
| Tertiles of Mean Daily Steps | |||||
|---|---|---|---|---|---|
| Characteristics | All (N = 111) | Less Than 1,888 (n = 36) | 1,888–4,691 (n = 36) | More than 4,691 (n = 39) | p Values |
| Age | 76.1±6.8 | 78.5±7.2 | 76.1±6.4 | 73.9±6.2 | .02 |
| Women, % | 63.9 | 61.1 | 66.6 | 64.1 | .91 |
| White, % | 63.9 | 69.4 | 66.6 | 56.4 | .46 |
| Married, % | 40.0 | 19.4 | 38.8 | 48.7 | .02 |
| Body mass index, mean ± SD | 27.6±8.5 | 28.3±7.3 | 26.4±6.2 | 27.7±10.5 | .67 |
| Cane or walker prior to admission | 49.5 | 75.0 | 50.0 | 25.6 | <.01 |
| ADL limitation(s) prior to admission | 19.8 | 27.7 | 16.7 | 15.3 | .34 |
| Charlson Comorbidity Index, mean ± SD | 2.6±2.0 | 2.8±2.3 | 2.7±1.9 | 2.2±1.7 | .37 |
| Reason for admission, % | .01 | ||||
| Cardiopulmonary | 41.1 | 38.8 | 27.7 | 56.4 | |
| Infectious | 12.6 | 8.3 | 8.3 | 20.5 | |
| Gastrointestinal | 12.6 | 13.8 | 22.2 | 2.5 | |
| Endocrine | 15.3 | 11.1 | 19.4 | 15.3 | |
| Other | 18.0 | 27.7 | 22.2 | 5.1 | |
| In-hospital illness severity, % | .20 | ||||
| 24h observation | 31.5 | 25.0 | 25.0 | 43.5 | |
| Mild | 8.1 | 5.5 | 5.5 | 12.8 | |
| Moderate | 33.3 | 36.1 | 32.4 | 30.7 | |
| Major | 24.3 | 27.7 | 33.3 | 12.8 | |
| Extreme | 2.7 | 5.5 | 2.7 | 0.0 | |
| Length of stay (d), mean ± SD | 3.7±1.9 | 3.7±2.4 | 3.6±2.5 | 2.4±1.4 | .02 |
| Mobility daily steps, mean ± SD | 3850.4±3104.1 | 1135.8±504.2 | 2892.3±711.9 | 7157.4±2876.2 | <.01 |
| Mobility change first to last day, mean ± SD | 242.7±2525.9 | 310.8±876.2 | 242±1869.6 | 179±3812.3 | .85 |
| Mobility rate of change, mean ± SD | 69±96.37 | 57.5±39.3 | 56.3±82.6 | 92.1±136.6 | .19 |
| Readmitted (yes), (n)% | (13) 11.7 | (6) 16.7 | (6) 16.7 | (1) 2.5 | .05 |
Note: ADL = activities of daily living.