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Comparisons of Bright and Red Lights on Mean Changes Across 1 Hour by Period of Exposure
| Mean Changes Over 1 Hr
|
||||
|---|---|---|---|---|
| First Period
|
Second Period
|
|||
| Mean (SE) | pa | Mean (SE) | pa | |
| BDI | ||||
| Bright light | −2.78 (0.80) | 0.54 | −2.40 (1.05) | 0.02 |
| Red light | −2.08 (0.82) | 0.34 (0.46) | ||
| POMS-D | ||||
| Bright light | −2.68 (1.05) | 0.95 | −3.37 (1.04) | 0.02 |
| Red light | −2.58 (1.26) | −0.37 (0.78) | ||
BDI indicates Beck Depression Inventory; POMS-D, Profile of Mood States–Depression-Dejection subscale.
p values from t-tests.
