Table 8.
Acrophase Changes (Minutes) by Light Condition and Treatment Timing: Mean (SD) N
Acrophase Difference (minutes) Baseline minus Final | Morning | Evening | ||
Bright | Dim | Bright | Dim | |
Illumination | 80.69 (69.14) 9 | 1.53 (39.72) 14 | -41.99 (63.48) 11 | -28.77 (56.96) 7 |
Activity | 25.84 (40.35) 8 | -32.42 (60.00) 13 | -0.96 (34.46) 11 | -40.88 (48.03) 7 |
Sleep | 39.59 (34.81) 9 | -25.90 (42.96) 12 | -3.80 (34.74) 11 | -24.86 (48.32) 7 |
ANOVA Sig. (p) | Illumination | Activity | Sleep | |
Treatment Condition | 0.485 | 0.003 | 0.001 | |
Treatment Time | 0.001 | 0.485 | 0.243 | |
Condition by Time | 0.001 | 0.128 | 0.054 |
Note: Positive change is earlier, negative change is later, at the end of treatment.