| Methods |
Allocation: randomized, 'balanced crossover design'.
Blinding: not stated.
Duration: 1 day. |
| Participants |
Diagnosis: Major depressive disorder (N = 53), schizo‐affective disorder depressive type (N = 2), minor depression (N = 2. RDC, ICD‐9.
Inclusion criteria:
depressive symptoms due to organic or abuse reasons, HDRS (17‐item) 15 or more.
Exclusion criteria:
suicidality, productive schizo‐affective or schizophrenic psychosis, current physical illness.
N = 57.
Age: mean 47.6 years.
Sex: F 44, M 13.
History: duration of illness mean 11 years.
Setting: inpatients. |
| Interventions |
1. Bright light (5000 lux during the TSD night for 9 hours) + TSD. N = 29.
2. Normal room light (less than 300 lux during the SD for 9 hours). N = 28.
Device: fluorescent light tubes. |
| Outcomes |
Mental state (D‐S, HDRS ‐ 13 item, M‐S). |
| Notes |
Light adjunct to TSD.
Pharmacotherapy unchanged. |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Allocation concealment? |
Unclear risk |
B ‐ Unclear |
