Findings

What do systematic reviews say?

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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%

Summary of findings table ‐ 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 light therapy changes incidence of severe SAD (SIGH‐SAD‐SR (≥ 40)) ( compared with no light therapy (very low certainty).

1 finding from 1 review

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

Mindfulness‐based cognitive therapy (MBCT) vs treatment

Incidence of SAD (IDS‐SR > 20) · adults with a history of SAD but without depressive symptoms when treatment started

It is very uncertain whether mindfulness‐based cognitive therapy (MBCT) changes incidence of SAD (IDS‐SR > 20) compared with treatment (very low certainty).

1 finding from 1 review

Mindfulness‐based cognitive therapy (MBCT) vs treatment

Overall discontinuation ( · adults with a history of SAD but without depressive symptoms when treatment started

It is very uncertain whether mindfulness‐based cognitive therapy (MBCT) changes overall discontinuation rate compared with treatment (very low certainty).

1 finding from 1 review

Agomelatine vs placebo

Adverse events as N of participants with at least one adverse event subjective and objective · adults with a history of SAD

It is very uncertain whether agomelatine changes number of persons with at least one adverse event within a year compared with placebo (very low certainty).

1 finding from 1 review

Agomelatine vs placebo

Number of participants experiencing at least one severe adverse event · adults with a history of SAD

It is very uncertain whether agomelatine changes number of persons with at least one severe adverse event within a year compared with placebo (very low certainty).

1 finding from 1 review