Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

2,119 questions · 2,206 findings · 117 reviews · Common Mental Disorders

No studies found 387 · 17.5%GRADE not reported 111 · 5%Very low 635 · 28.8%Low 568 · 25.7%Moderate 449 · 20.4%High 56 · 2.5%

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

Bright white light therapy vs infrared light therapy

Incidence of severe SAD (SIGH‐SAD‐SR (≥ 40)) ( · 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 severe SAD (SIGH‐SAD‐SR (≥ 40)) ( compared with infrared 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

Incidence of severe SAD (SIGH‐SAD‐SR (≥ 40)) ( · 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 severe SAD (SIGH‐SAD‐SR (≥ 40)) ( compared with no 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

Infrared 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 infrared light therapy changes incidence of SAD (SIGH‐SAD score ≥ 20) ( compared with no light therapy (very low certainty).

1 finding from 1 review

Infrared light therapy vs no light therapy

Incidence of severe SAD (SIGH‐SAD‐SR (≥ 40)) ( · 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 incidence of severe SAD (SIGH‐SAD‐SR (≥ 40)) ( 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

Summary of findings table ‐ 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 light therapy changes incidence of SAD (SIGH‐SAD score ≥ 20) ( compared with no light therapy (very low certainty).

1 finding from 1 review