Table 5.
Descriptive statistics and pre-post comparison (related samples Wilcoxon Signed Rank Test) for each of the Nightly-Week-U dimensions (n = 9).
| Variables | Prea | Posta | Median difference | p-valueb | Effect sizec |
|---|---|---|---|---|---|
| Total (6 days) | |||||
| Sitting time | 10.31 (2.14) | 9.01 (2.06) | −1.30 | 0.021 | −0.54 |
| Sitting for study | 1.81 (1.62) | 2.30 (2.17) | 0.49 | 0.678 | −0.10 |
| Sitting for work | 0.21 (0.89) | 0.25 (0.53) | 0.04 | 0.345 | 0.22 |
| Sitting for transport | 0.73 (0.5) | 0.74 (0.7) | 0.01 | 0.953 | 0.01 |
| TV viewing | 0.81 (2.31) | 0.50 (1.79) | −0.31 | 0.401 | −0.20 |
| Computer use | 1.86 (1.53) | 1.73 (2.45) | −0.13 | 0.767 | −0.07 |
| Sitting for leisure reading | 0.04 (0.34) | 0 (0.56) | −0.04 | 0.917 | −0.02 |
| Sitting for eating | 1.15 (0.79) | 0.78 (0.61) | −0.38 | 0.441 | −0.18 |
| Sitting for socialising | 0.8 (0.95) | 0.78 (1.14) | −0.02 | 0.484 | −0.16 |
| Sitting for other purposes | 1.14 (1.23) | 1.10 (0.74) | −0.04 | 0.214 | −0.29 |
| Weekdays | |||||
| Sitting time | 10.14 (1.97) | 9.13 (2.19) | −1.01 | 0.139 | −0.35 |
| Sitting for study | 1.73 (1.75) | 3.10 (2.16) | 1.37 | 0.028 | 0.52 |
| Sitting for work | 0.14 (1.34) | 0.16 (0.43) | 0.02 | 0.345 | 0.22 |
| Sitting for transport | 0.75 (0.63) | 0.38 (0.86) | −0.37 | 0.953 | −0.01 |
| TV viewing | 1.21 (2.31) | 0.23 (1.81) | −0.98 | 0.176 | −0.32 |
| Computer use | 2.09 (1.34) | 1.20 (1.94) | −0.89 | 0.109 | −0.38 |
| Sitting for leisure reading | 0.06 (0.39) | 0 (0.12) | −0.06 | 0.345 | −0.22 |
| Sitting for eating | 1.15 (0.65) | 0.71 (0.76) | −0.44 | 0.314 | −0.24 |
| Sitting for socialising | 0.85 (1.41) | 0.34 (1.56) | −0.5 | 0.779 | −0.07 |
| Sitting for other purposes | 0.68 (1.76) | 0.81 (1.18) | 0.12 | 0.678 | 0.1 |
| Weekend | |||||
| Sitting time | 10.69 (3.25) | 8.76 (4.48) | −1.92 | 0.021 | −0.54 |
| Sitting for study | 1.52 (3.3) | 1.41 (2.61) | −0.11 | 0.401 | −0.2 |
| Sitting for work | 0 (0.37) | 0 (0.66) | 0 | 1.000 | 0 |
| Sitting for transport | 0.52 (0.37) | 0.7 (0.9) | 0.17 | 0.594 | 0.13 |
| TV viewing | 0.51 (2.68) | 1.05 (2.21) | 0.54 | 0.889 | 0.03 |
| Computer use | 2.06 (3.04) | 1.45 (2.16) | −0.62 | 0.515 | −0.15 |
| Sitting for leisure reading | 0 (0.21) | 0 (0.46) | 0 | 1.000 | 0.00 |
| Sitting for eating | 1.04 (1.11) | 0.87 (0.34) | −0.18 | 0.214 | −0.29 |
| Sitting for socialising | 1.17 (1.76) | 0.78 (1.34) | −0.39 | 0.499 | −0.16 |
| Sitting for other purposes | 1.55 (2.43) | 1.39 (1.67) | −0.17 | 0.263 | −0.26 |
a
Median hours/steps per day (interquartile range).
b
Bold text indicates p < 0.05 for related samples Wilcoxon Signed Rank Test.
c
Effect size = Rank-biserial correlation (Rosenthal et al., 1994).