Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

79 questions · 116 findings · 11 reviews · Developmental, Psychosocial and Learning Problems · Headline outcomes only

No studies found 30 · 25.9%GRADE not reported 0 · 0%Very low 37 · 31.9%Low 24 · 20.7%Moderate 25 · 21.6%High 0 · 0%

Home (point‐of‐use) fortification of foods with multiple micronutrient powders vs placebo or no intervention

Anaemia · children aged 6 to 23 months

Home (point‐of‐use) fortification of foods with multiple… probably leads to lower anaemia (haemoglobin values lower than 110 g/L) compared with no intervention or placebo (moderate certainty).

1 finding from 1 review

Home (point‐of‐use) fortification of foods with multiple micronutrient powders vs an iron‐only supplement

Anaemia · children aged 6 to 23 months

Home (point‐of‐use) fortification of foods with multiple… showed no clear difference in anaemia (haemoglobin values lower than 110 g/L) compared with an iron‐only supplement (low certainty).

1 finding from 1 review

Resilience interventions vs control condition

Mental health and well‐being: stress or stress perceptionMeasured by: investigators measured stress or stress perception using different instruments; lower scores mean lower stress or stress perception Timing of outcome assessment: post‐intervention · healthcare workers
1 finding from 1 review

Resilience interventions vs controls

Mental health and well‐being: depressionMeasured by: investigators measured depression using different instruments; lower scores mean lower depression Timing of outcome assessment: post‐intervention · healthcare students, including students in training for health professions delivering direct medical care (e.g. medical students, nursing…
1 finding from 1 review

Intervention not reported

Autism symptom severity Measured by: parent‐reported autism symptoms on standardised autism screening and diagnostic instruments (lower scores indicate less severe autism symptoms) · patients with young children (less than six years old) with autism spectrum disorders (ASD)
1 finding from 1 review