Table 5.
Distribution of the number of non-wear periods according to the algorithm used
| Frequency (% of days) | Range | Kappaa | ||||||
|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | ≥ 5 | |||
| Log diary method | 50.7 | 42.5 | 5.2 | 1.6 | 0 | 0 | 0–3 | – |
| Troiano et al. (2008)[11] | 77.3 | 17.9 | 4.5 | 0.3 | 0 | 0 | 0–3 | 0.11 [0.02; 0.20] |
| Choi et al. (2012)[15] | 90.1 | 8.5 | 1.4 | 0 | 0 | 0 | 0–2 | 0.09 [0.02; 0.16] |
| 60 min | 70.1 | 25.0 | 4.2 | 0.7 | 0 | 0 | 0–3 | 0.09 [−0.01; 0.18] |
| 30 min | 47.4 | 32.5 | 16.9 | 2.3 | 0.3 | 0.6 | 0–5 | 0.17 [0.08; 0.25] |
| 20 min | 26.6 | 29.6 | 20.1 | 10.7 | 4.9 | 8.1 | 0–11 | 0.07 [0.03; 0.12] |
| 15 min | 2.3 | 4.2 | 9.1 | 12.4 | 9.7 | 62.3 | 0–25 | 0.01 [0.00; 0.02] |
| 10 min | 1.9 | 3.3 | 9.7 | 10.1 | 11.4 | 63.6 | 0–25 | 0.01 [0.00; 0.01] |
aWeighted Cohen’s Kappa coefficients and theirs 95% confidence intervals for the agreement assessment between methods with the gold standard method (log diary method)