Skip to main content

Table 6 Acrophase Changes (minutes) by Light Condition Mean (SD) N

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

Acrophase Change (minutes) Baseline minus Final

Bright green light

Dim red light

p (ANOVA)

Light

-34.05 (52.32) 15

-5.02 (53.25) 16

0.14

Activity

-49.20 (106.75) 16

-5.35 (54.30) 16

0.15

Sleep

-34.63 (59.04) 16

-4.48 (67.75) 15

0.20

  1. Note: Negative change indicates a later (delayed) acrophase at the end of treatment.