From: The effects of low-intensity narrow-band blue-light treatment compared to bright white-light treatment in sub-syndromal seasonal affective disorder
N
SIGH-SAD
HRSD
ATYP
Day 1
Day 8
Day 15
GSS total < 11
33
15.64
9.1
7
6.6
3.6
2.6
5.5
4.4
GSS total > 10
11
16.67
7.1
8.9
6.3
3.1
4.1
10.4
4
4.8