Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4 questions · 4 findings · 1 reviews · Common Mental Disorders

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 4 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Summary of findings table ‐ Light therapy vs no light therapy

Overall discontinuation ( · All participants were known SAD patients who had been successfully treated with conventional light therapy in previous winters

It is very uncertain whether light therapy changes overall discontinuation ( compared with no light therapy (very low certainty).

1 finding from 1 review

Infrared light therapy vs no light therapy

Overall discontinuation ( · All participants were known SAD patients who had been successfully treated with conventional light therapy in previous winters

It is very uncertain whether infrared light therapy changes overall discontinuation ( compared with no light therapy (very low certainty).

1 finding from 1 review

Bright white light therapy vs infrared light therapy

Overall discontinuation ( · 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 overall discontinuation ( compared with infrared light therapy (very low certainty).

1 finding from 1 review

Bright white light therapy vs no light therapy

Overall discontinuation ( · 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 overall discontinuation ( compared with no light therapy (very low certainty).

1 finding from 1 review