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Table 2 Expectations for Improvement in Sleep and Mood

From: Bright green light treatment of depression for older adults [ISRCTN69400161]

100 mm Visual Analog Scale, 0 = Worse 100 = Better

Measure

Mood

Sleep

Light

Green

Red

Green

Red

Time

Initial

Final

Initial

Final

Initial

Final

Initial

Final

N

16

16

14

14

16

16

14

14

Mean

76.3

69.6

83.4

70.1

71.7

71.8

78.9

64.1

SD

18.0

13.6

12.5

20.0

20.9

9.7

12.9

24.0