Table 4. Preferences for self-reported physical activity and the activity variables originating from the Lifecorder and the Actiwatch.
| like very much (n=24) | like (n=7) | do not like (n=3) | ANOVA | |||||||
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| mean | ± | SD | mean | ± | SD | mean | ± | SD | trend p value | |
| age (year) | 10.6 | ± | 0.7*a | 11.3 | ± | 0.8 | 11.8 | ± | 0.3 | 0.003 |
| weight (kg) | 33.7 | ± | 5.9 | 36.8 | ± | 9.4 | 42.1 | ± | 5.7 | 0.036 |
| height (cm) | 139.8 | ± | 6.8 | 142.0 | ± | 7.5 | 147.5 | ± | 1.4 | 0.076 |
| body mass index (kg/m2) | 17.1 | ± | 2.1 | 18.0 | ± | 3.4 | 19.3 | ± | 2.3 | 0.108 |
| physical activity indes | 1.61 | ± | 0.06 | 1.56 | ± | 0.12 | 1.59 | ± | 0.09 | 0.383 |
| TEE (kcal/day) | 1963.7 | ± | 210.5 | 2198.1 | ± | 462.9 | 2184.0 | ± | 200.6 | 0.053 |
| EEPA (kcal/day) | 288.7 | ± | 58.3**b | 195.3 | ± | 38.2 | 248.2 | ± | 86.1 | 0.022 |
| steps (step/day) | 17966 | ± | 3070**b | 13046 | ± | 3415 | 13252 | ± | 3762 | 0.001 |
| maximum EEPA (kcal/day) | 473.3 | ± | 100.3*b | 339.9 | ± | 131.0 | 407.0 | ± | 171.5 | 0.048 |
| maximum steps (step/day) | 25110 | ± | 4587*a,**b | 15318 | ± | 2789 | 17760 | ± | 5554 | <0.001 |
| immobile time (%) | 84.7 | ± | 3.3 | 84.5 | ± | 3.3 | 83.4 | ± | 2.6 | 0.569 |
| mean activity score (count/day) | 19.8 | ± | 14.5 | 21.0 | ± | 8.9 | 20.5 | ± | 1.5 | 0.856 |
| mean activity (count/day) | 480.7 | ± | 84.2 | 425.8 | ± | 70.1 | 401.0 | ± | 80.6 | 0.035 |
| diurnal activity (count/day) | 787.0 | ± | 163.8 | 692.7 | ± | 131.2 | 628.0 | ± | 119.2 | 0.033 |
SD: standard deviation
TEE: total energy expenditure per day
EEPA: energy expenditure originating from physical activity per day
immobile time (%): amount of assumed sleep time that is spent immobile
mean activity score: the magnitude of activity on a per-epoch-basis during the sleep period
*a like very much vs do not like, p<0.05; **a like very much vs do not like, p<0.01;
*b like very much vs like, p<0.05; **b like very much vs like, p<0.01