Table 3 Weighted Kappa coefficients for baseline quintiles and follow-up quintiles of physical activity levels. Pooled analysis
From: Tracking of accelerometry-measured physical activity during childhood: ICAD pooled analysis
MVPA | VPA | |||
|---|---|---|---|---|
Boys | Girl | Boys | Girl | |
Weighted kappa (95% confidence interval) | ||||
Weekday/weekend combined | 0.28 (0.25, 0.30) | 0.25 (0.22, 0.28) | 0.27 (0.25, 0.30) | 0.23 (0.21, 0.26) |
Weekday | 0.24 (0.21, 0.27) | 0.24 (0.21, 0.26) | 0.24 (0.21, 0.27) | 0.22 (0.19, 0.24) |
Weekend | 0.22 (0.19, 0.25) | 0.16 (0.13, 0.19) | 0.18 (0.15, 0.21) | 0.15 (0.12, 0.18) |