Table 4.
Physical activity parameters (48 hour) by incident faller status, stratified by frailty status
| Non-frail | Pre-frail | Frail | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Faller (n=20) | Non-faller (n=23) | Effect size1 (P-Value2) | Faller (n=19) | Non-faller (n=38) | Effect size1 (P-Value2) | Faller (n=9) | Non-faller (n=10) | Effect size1 (P-Value2) | ||
| Walking | Walking during 48 h, % | 6.9 ± 3.2 | 7.7 ± 3.2 | −.254 (0.543) |
5.4 ± 1.8 | 5.3 ± 2.6 | .035 (0.518) |
5.2 ± 3.1 | 2.4 ± 2.0 | 1.08 (0.072) |
| Mean walking bout duration, s | 39.3 ± 16.1 | 42.9 ± 16.8 | −.218 (0.551) |
39.6 ± 15.9 | 39.0 ± 12.3 | .040 (0.530) |
45.4 ± 12.4 | 30.2 ± 13.7 | 1.16 (0.034) |
|
| Walking bout duration, 90th percentile, s |
70.6 ± 28.9 | 78.0 ± 27.3 | −.263 (0.368) |
84.0 ± 36.4 | 78.8 ± 28.5 | .164 (0.804) |
97.0 ± 39.5 | 61.8 ± 34.1 | .960 (0.041) |
|
| Walking bout duration variability, s | 89.1 ± 76.3 | 87.9 ± 80.4 | .015 (0.715) |
56.3 ± 37.6 | 59.6 ± 44.1 | −.078 (0.684) |
49.2 ± 20.2 | 28.4 ± 17.6 | 1.10 (0.050) |
|
| Steps per 24 h, n | 5969 ± 3730 | 6147 ± 2671 | −.056 (0.644) |
3790 ± 1589 |
3981 ± 2488 |
−.086 (0.697) |
3644 ± 2568 |
1625 ± 1407 |
.991 (0.086) |
|
| Standing | Standing during 48 h, % | 17.3 ± 4.8 | 17.1 ± 4.9 | .167 (0.798) |
14.2 ± 5.2 | 13.9 ± 4.2 | .076 (0.763) |
13.6 ± 4.3 | 10.8 ± 5.2 | .590 (0.165) |
| Mean standing bout duration, s | 65.2 ± 26.7 | 59.9 ± 17.6 | .235 (0.361) |
56.0 ± 12.9 | 63.6 ± 18.7 | −.452 (0.124) |
66.2 ± 10.4 | 73.0 ± 21.3 | −.394 (0.514) |
|
| Standing bout duration, 90th percentile, s |
155.8 ± 68.5 | 143.2 ± 38.5 | .230 (0.450) |
129.5 ± 26.7 |
147.6 ± 38.2 |
−.522 (0.055) |
157.0 ± 32.0 |
164.9 ± 51.7 |
−.180 (0.744) |
|
| Standing bout duration variability, s | 99.0 ± 43.6 | 94.6 ± 47.1 | .098 (0.635) |
82.6 ± 34.8 | 100.8 ± 58.3 |
−.353 (0.154) |
89.2 ± 13.2 | 110.4 ± 67.5 |
−.424 (0.744) |
|
| Sitting | Sitting during 48 h, % | 35.1 ± 7.7 | 33.9 ± 10.1 | .133 (0.961) |
41.5 ± 11.5 | 38.6 ± 10.3 | .269 (0.371) |
41.1 ± 6.5 | 45.2 ± 16.6 | −.319 (0.568) |
| Mean sitting bout duration, s | 210.9 ± 81.4 | 224.6 ± 108.4 |
−.142 (0.697) |
254.0 ± 93.3 |
310.1 ± 162.7 |
−.392 (0.344) |
298.8 ± 57.6 |
429.4 ± 175.4 |
−.977 (0.041) |
|
| Sitting bout duration, 90th percentile, s |
545.1 ± 224.0 |
625.7 ± 350.5 |
−.270 (0.511) |
613.8 ± 312.9 |
876.0 ± 546.1 |
−.546 (0.046) |
776 ± 195 | 1148 ± 601 | −.815 (0.121) |
|
| Sitting bout duration variability, s | 512.6 ± 214.9 |
473.4 ± 175.0 |
.202 (0.422) |
628.2 ± 216.8 |
629.8 ± 280.1 |
−.006 (0.804) |
594 ± 141 | 910 ± 494 | −.849 (0.050) |
|
| Lying | Lying during 48 h, % | 40.1 ± 8.1 | 41.3 ± 9.2 | −.136 (0.836) |
38.9 ± 12.5 | 42.2 ± 9.7 | −.309 (0.184) |
40.1 ± 9.2 | 41.6 ± 18.3 | −.100 (0.624) |
| Mean lying bout duration, s | 1930 ± 860 | 1941 ± 864 | −.012 (0.865) |
2778 ± 1366 |
2734 ± 1587 |
.029 (0.490) |
2289 ± 598 | 3239 ± 1873 |
−.668 (0.414) |
|
| Lying bout duration, 90th percentile, s |
5392 ± 2979 | 5993 ± 2926 | −.203 (0.450) |
8438 ± 5221 |
7800 ± 5549 |
.117 (0.468) |
6718 ± 1777 |
8665 ± 4463 |
−.561 (0.462) |
|
| Lying bout duration variability, s | 3572 ± 1483 | 3445 ± 1652 | .081 (0.679) |
3856 ± 1828 |
4289 ± 3200 |
−.154 (0.697) |
2982 ± 958 | 3813 ± 1780 |
−.572 (0.289) |
|
| Postural transitions per 24 h, n | 163.7 ± 50.1 | 152.2 ± 47.8 | .236 (0.450) |
158.2 ± 57.1 |
126.8 ± 41.1 |
.668 (0.063) |
124.5 ± 23.4 |
106.2 ± 44.8 |
.505 (0.191) |
|
1
Cohen's d
2
Mann-Whitney U test