Table 1.
Mean (SD) reported television viewing, MVPA and objective activity counts during the increased and decreased sleep conditions (N = 37)a
| Baseline | Decreased sleep | Increased sleep | tpairedb | p-value | Cohen’s d | |
|---|---|---|---|---|---|---|
| Reported television viewing (hours/day) | 1.5 (1.1) | 2.0 (1.3) | 1.0 (0.8) | −6.48 | <0.001 | −1.06 |
| Reported moderate to vigorous physical activity (percent time/day) | 16.9 (10.4) | 14.2 (9.0) | 14.4 (8.6) | −0.11 | 0.97 | −0.02 |
| Average AW2 activity counts (counts/epoch) | 551.0 (113.4) | 540.7 (103.9) | 561.2 (116.4) | 2.33 | 0.03 | 0.39 |
| Total AW2 activity counts (total accrued/day) | 477 916.2 (101 125.8) | 511 449.5 (101 018.2) | 454 111.9 (96 436.7) | −7.20 | <0.001 | −1.20 |
a
For Actiwatch 2 activity counts, n = 36.
b
Statistical values report on comparisons between the Decreased and Increased sleep conditions.