From: Transcranial bright light treatment via the ear canals in seasonal affective disorder: a randomized, double-blind dose-response study
Remission rate
Group 1 (n = 28)
Group 2 (n = 31)
Group 3 (n = 30)
Proportion (%)
95% CI
1SIGH-SAD
28.6
10.7-46.6
16.1
2.4-29.8
13.3
0.4-26.2
2BDI
78.6
63.1-94.1
71.0
54.7-87.3
76.7
61.2-92.1