Methods |
Allocation: randomized, crossover.
Blinding: not stated.
Duration: 2 days (two separate nights with simultaneous TSD and light intervention, separated by one recovery night). |
Participants |
Diagnosis: Major depression (N = 21), atypical bipolar disorder (N = 1), atypical depression without seasonality (N = 1). DSM‐III.
Inclusion criteria: BDI more than 16 and interview.
N = 28 (23 completers).
Age: mean 47.2 years (completers).
Sex: F 11, M 12.
Setting: inpatients. |
Interventions |
1. Bright light (2000 lux from 11 PM to 7 AM for 8 hours) + TSD during two nights. N = 11.
2. Dim light (60 lux from 11 PM to 7 AM for 8 hours) + TSD during two nights. N = 12.
Device: light box (bright light intervention), dimly lit room (control). |
Outcomes |
Mental state (BDI, AMS). |
Notes |
Light adjunct to TSD. Pharmacotherapy unchanged.
Information on dropout groups insufficient. Results on completers only. |
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Allocation concealment? |
Unclear risk |
B ‐ Unclear |