9 Y (N = 517) | 12 Y (N = 440) | Change (N = 369) | ||||
---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | |
Wear time | ||||||
(min/d) | ||||||
Manual | 674.3 | 76.7 | 709.4 | 92.6 | 33.1 | 93.9 |
>10 min | 674.7* | 76.8 | 679.8 | 95.7 | 3.3 | 99.2 |
>20 min | 696.5 | 77.1 | 720.4 | 95.0 | 22.3 | 98.4 |
>60 min | 736.9 | 78.8 | 774.5 | 95.4 | 35.1 | 101.4 |
Sedentary time | ||||||
(min/d) | ||||||
Manual | 373.1 | 63.8 | 461.6 | 85.5 | 87.7 | 79.0 |
>10 min | 363.6 | 56.9 | 423.7 | 71.7 | 59.2 | 70.7 |
>20 min | 385.4 | 62.9 | 464.3* | 81.4 | 78.2 | 77.0 |
>60 min | 425.7 | 67.3 | 518.2 | 87.3 | 91.0* | 84.2 |
Sedentary time | ||||||
(% of wear time) | ||||||
Manual | 55.3 | 7.0 | 65.1 | 8.8 | 9.8 | 8.8 |
>10 min | 54.0 | 6.5 | 62.5 | 7.6 | 8.6 | 7.5 |
>20 min | 55.3* | 6.8 | 64.5 | 7.9 | 9.2 | 7.8 |
>60 min | 57.8 | 6.7 | 67.0 | 7.7 | 9.2‡ | 7.8 |
Corrected sedentary | ||||||
time (min/d) | ||||||
Manual | 398.3 | 50.5 | 468.8 | 63.4 | 70.3 | 63.1 |
>10 min | 388.5 | 46.7 | 450.3 | 54.4 | 61.7 | 54.2 |
>20 min | 398.4* | 48.9 | 464.6 | 56.9 | 66.0 | 55.9 |
>60 min | 415.8 | 48.1 | 482.0 | 55.7 | 66.0‡ | 56.0 |