SIGH-SAD [42] (see description)
|
SAD recurrence (primary outcome) and remission status, symptom severity
|
Categorical recurrence status, categorical remission status, score
|
X
|
X
|
X
|
X
|
X
|
X
|
Beck Depression Inventory-II (BDI-II) [52]
|
Depression symptom severity, remission status (BDI-II ≤ 8)
|
Score, categorical remission status
|
X
|
X
|
X
|
X
|
X
|
X
|
Beck Anxiety Inventory [53]
|
Anxiety symptom severity
|
Score
|
X
| |
X
|
X
|
X
|
X
|
Dim light melatonin onset (DLMO)
|
Circadian timing
|
Clock time (military)
|
X
| | |
X
|
X
|
X
|
Wrist actigraphy and Pittsburgh Sleep Diary [54]
|
Sleep & circadian timing; daytime activity
|
Mean mid-point of sleep; mean daily activity count
|
X
| | |
X
|
X
|
X
|
†Phase angle difference (PAD)
|
Circadian timing
|
DLMO–mid-sleep (from actigraphy)
|
X
| | |
X
|
X
|
X
|
†PIPR
|
Post-illumination pupil response
|
Net PIPR (red–blue light response)
|
X
| |
X
|
X
|
X
|
X
|
‖Pupil dilation and sustained frontal gamma-band EEG responses to negative and winter words
|
Prefrontal engagement as it relates to emotion elaboration and regulation
|
Mean pupillary and sustained frontal gamma responses 2–10 s following emotional word onset
|
X
| |
X
|
X
|
X
|
X
|
‖Seasonal Beliefs Questionnaire (SBQ) [32]
|
Maladaptive thoughts about the seasons and light availability
|
Score
|
X
| |
X
|
X
|
X
|
X
|
‖Dysfunctional Attitudes Scale-Form A (DAS) [55]
|
Depressive schemas
|
Score
|
X
| |
X
|
X
|
X
|
X
|
‖Behavioral Activation for Depression Scale (BADS) [56]
|
Self-reported behavioral activation
|
Score
|
X
| |
X
|
X
|
X
|
X
|
†Composite Scale of Morningness (CSM) [57]
|
Chronotype
|
Score
|
X
| |
X
|
X
|
X
|
X
|
Treatment Credibility Scale [58]
|
Credibility for the CBT-SAD and LT treatment conditions
|
Score
|
X
| |
X
|
X
| | |
Millon Clinical Multiaxial Inventory—Fourth Edition (MCMI-IV) [59]
|
DSM-5 personality disorders
|
Scale scores, possible DSM-5 personality disorders
|
X
| | | | | |
Quality of Life Enjoyment and Satisfaction Questionnaire (Q-LES-Q) [60]
|
Quality of life related to: physical health, mood, leisure time activities, social relationships, general activities, work (if applicable), household duties (if applicable), and school/coursework
|
Score
|
X
| | |
X
|
X
|
X
|
Sheehan Disability Scale (SDS) [61]
|
Mental-health related impairment in work, social life/ leisure activities, and home life/family responsibilities
|
Score
|
X
| | |
X
|
X
|
X
|
MOS SF-20 (62)
|
Health-related quality of life
|
Score
|
X
| | |
X
|
X
|
X
|
SCID-5-RV major depressive episode criteria
|
Recurrences between post-treatment and winter 2 and between winters 2 and 3
|
Categorical recurrence status
| | | | |
X
|
X
|