Table 3.
Physical activity and sleep indices according to different disability level groups
| Low (n = 78) | High (n = 22) | P-value | |
|---|---|---|---|
| IPAQ | |||
| Categorical‡ | 24.36% (19/78) | 23.81% (5/21) | 1.000 |
| Continuous†† |
2006.25 (717.75, 4129.50) |
2112.00 (717.75, 5482.50) |
0.635 |
| Average kcals per day† | 1226.12 (471.73) | 1173.86 (508.32) | 0.656 |
| METs† | 2.15 (0.22) | 2.11 (0.24) | 0.422 |
| Physical activity per week (min) | |||
| Light† | 3790.28 (726.11) | 3462.86 (965.89) | 0.090 |
| Moderate† | 1185.19 (556.88) | 1203.86 (571.11) | 0.033* |
| Vigorous†† | 3.00 (1.00, 9.00) | 7.00 (3.00, 11.00) | 0.039* |
| Total MVPA† | 1195.62 (561.02) | 1219.27 (587.09) | 0.035* |
| Time in sedentary bouts per day† | 313.20 (87.95) | 324.19 (69.76) | 0.594 |
| Time in sedentary breaks per day† | 1036.40 (103.12) | 1030.42 (77.53) | 0.803 |
| Sedentary bouts per day† | 14.64 (4.06) | 15.23 (3.90) | 0.553 |
| Sedentary bouts average length† | 21.44 (1.88) | 21.80 (2.73) | 0.582 |
| Sedentary breaks average length†† | 74.10 (60.75, 84.70) | 66.15 (56.80, 75.53) | 0.241 |
| Axis 1 CPM† | 864.64 (272.28) | 847.50 (265.39) | 0.796 |
| Axis 2 CPM† | 888.85 (260.35) | 896.08 (257.81) | 0.860 |
| Axis 3 CPM† | 981.29 (319.55) | 988.28 (308.45) | 0.928 |
| Vector magnitude | |||
| Average counts† | 1619.22 (470.77) | 1629.19 (482.40) | 0.931 |
| CPM† | 1581.05 (487.66) | 1582.45 (475.18) | 0.991 |
| Step counts per day† | 10383.96 (3080.31) | 10225.73 (3578.22) | 0.840 |
| Lux average counts†† | 25.30 (7.18, 55.40) | 16.55 (4.65, 50.05) | 0.446 |
| Minutes in bed†† | 449.81 (417.89, 513.33) | 480.92 (424.01, 529.54) | 0.318 |
| Minutes in bed < 420‡ | 26.92% (21/78) | 22.73% (5/22) | 0.695 |
| Total Sleep Time (TST)†† | 391.86 (362.96, 463.44) | 424.74 (388.32, 458.64) | 0.191 |
| Total Sleep Time (TST) < 420‡ | 60.26% (47/78) | 50.00% (11/22) | 0.466 |
| Wake After Sleep Onset (WASO)†† | 52.46 (42.32, 66.48) | 48.67 (41.13, 59.33) | 0.621 |
| Sleep efficiency†† | 88.41 (85.57, 90.86) | 90.22 (87.85, 91.11) | 0.190 |
| Sleep fragmentation index† | 25.13 (7.20) | 23.00 (4.81) | 0.198 |
| Movement index† | 13.04 (3.21) | 11.96 (2.66) | 0.156 |
| Fragmentation index† | 12.09 (4.88) | 11.03 (3.56) | 0.352 |
IPAQ: International physical activity questionnaire, METs: Metabolic equivalent of tasks, MVPA: Moderate-to-vigorous physical activity, CPM: Counts per minute
†Differences between groups were tested with independent t-test: mean (standard deviation)
††Differences between groups were tested with Mann-Whitney test: median (lower quartile, upper quartile)
‡Differences between groups were tested with chi-square test: number of subjects or positive palpation sites (%)
‡‡Differences between groups were tested with Fisher’s exact test: number of subjects or positive palpation sites (%)
*Significant difference, p < 0.05