Skip to main content

Table 1 Randomization of Light Treatment Time and Stratification by Age and Depression Severity

From: Bright light treatment of depression for older adults [ISRCTN55452501]

Time of Light Treatment

Bright

Dim

Total

Morning

13

15

28

Mid-Wake

15

16

31

Evening

13

9

22

Total

41

40

81

Age-Depression Severity Group

   

Age<68, GDS<16

4

4

8

Age<68, GDS ≥16

18

16

34

Age ≥68, GDS<16

6

6

12

Age ≥68, GDS ≥16

13

14

27

Total

41

40

81