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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