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. 2013 Sep 12;2013(9):CD004366. doi: 10.1002/14651858.CD004366.pub6

Pinchasov 2000.

Methods RCT
Participants Several groups including one with depression in the absence of seasonal affective disorder. Also 1 group of depressed people fulfilling criteria for seasonal affective disorder mean age 35.2.
 100% women
 N = 63
Interventions 1. 54 minutes per day of cycling on stationary bicycle for 1 week
 2. Bright light therapy
7 groups, 9 participants in each
We are using data from the cycling and bright light therapy
Outcomes 1. HDRS score
 2. Body weight 
 3. Oxygen consumption
Notes Randomisation method unclear
 Unclear if outcome assessment was blind
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Unclear risk No information given
Allocation concealment (selection bias) Unclear risk Unclear
Blinding (performance bias and detection bias) 
 participants Unclear risk Participants not blind
Blinding (performance bias and detection bias) 
 those delivering intervention Unclear risk The authors did not state how the intervention was delivered
Blinding (performance bias and detection bias) 
 outcome assessors Unclear risk HDRS, but not stated whether outcome assessor blind
Incomplete outcome data (attrition bias) 
 All outcomes Unclear risk 63 participants were recruited, and were included in 7 groups, 9 per group. Data not provided on number still in the trial at the end of the interventions
Selective reporting (reporting bias) Unclear risk Insufficient information provided to make this judgement
Other bias Unclear risk Unclear