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Evidence found and GRADE certainty

2 questions · 2 findings · 1 reviews

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Bright white light therapy vs no light therapy

Incidence of SAD (SIGH‐SAD score ≥ 20) ( · All participants were known SAD patients who had been successfully treated with conventional light therapy in previous winters

It is very uncertain whether bright white light therapy changes incidence of SAD (SIGH‐SAD score ≥ 20) ( compared with no light therapy (very low certainty).

1 finding from 1 review

Bright white light therapy vs infrared light therapy

Incidence of SAD (SIGH‐SAD score ≥ 20) ( · All participants were known SAD patients who had been successfully treated with conventional light therapy in previous winters

It is very uncertain whether bright white light therapy changes incidence of SAD (SIGH‐SAD score ≥ 20) ( compared with infrared light therapy (very low certainty).

1 finding from 1 review