Table 2 Number of non-wear periods and wear time as reported in logs and analyzed by accelerometry using different non-wear criteria
From: A comparison of 10 accelerometer non-wear time criteria and logbooks in children
Number of non-wear bouts | Wear time | |||||||
|---|---|---|---|---|---|---|---|---|
Frequency (% of days) | Range | Mean (95% CI) | ||||||
0 | 1 | 2 | 3 | 4 | 5 + | |||
Logbook | 77.1 | 22.1 | 0.7 | 0.1 | 0.0 | 0.0 | 0–3 | 812 (809–814) |
Non-wear criteriaa | ||||||||
10 | 9.6 | 15.2 | 17.3 | 15.9 | 12.6 | 29.4 | 0–20 | 755 (753–758) |
20 | 48.9 | 30.6 | 12.3 | 5.6 | 1.9 | 0.6 | 0–7 | 794 (792–797) |
30 | 68.2 | 24.4 | 5.9 | 1.4 | 0.1 | 0.0 | 0–5 | 806 (803–808) |
45 | 81.2 | 16.2 | 2.4 | 0.2 | 0.0 | 0.0 | 0–4 | 815 (812–818) |
60 | 86.6 | 12.1 | 1.2 | 0.1 | 0.0 | 0.0 | 0–3 | 820 (818–824) |
60–1 | 84.9 | 13.4 | 1.6 | 0.1 | 0.0 | 0.0 | 0–3 | 802 (800–805) |
60–2 | 78.9 | 17.6 | 3.0 | 0.4 | 0.1 | 0.0 | 0–5 | 791 (788–794) |
90 | 92.8 | 6.9 | 0.3 | 0.0 | 0.0 | 0.0 | 0–2 | 833 (830–836) |
90–1 | 93.0 | 6.7 | 0.2 | 0.0 | 0.0 | 0.0 | 0–3 | 813 (810–816) |
90–2 | 91.4 | 8.1 | 0.5 | 0.0 | 0.0 | 0.0 | 0–3 | 806 (803–808) |