Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,281 questions · 1,361 findings · 120 reviews · Developmental, Psychosocial and Learning Problems

No studies found 286 · 21%GRADE not reported 61 · 4.5%Very low 381 · 28%Low 381 · 28%Moderate 228 · 16.8%High 24 · 1.8%

Rinse‐free hand wash vs control

Absenteeism due to any illness (within the study period) Calculated as: an incident rate per child‐days possible Length of time observed: range = 1 to 11 months · children aged from birth to 14 years old

It is very uncertain whether rinse‐free hand wash changes absenteeism due to any illness (within the study period) Calculated… compared with control (very low certainty).

1 finding from 1 review

Rinse‐free hand wash vs control

Adverse skin reactions (within the study period) Calculated as: number of events Length of time observed: range = 5 to 8 months · children aged from birth to 14 years old

It is very uncertain whether rinse‐free hand wash changes adverse skin reactions (within the study period) Calculated as:… compared with control (very low certainty).

1 finding from 1 review

Rinse‐free hand wash vs control

Absenteeism due to acute respiratory illness (within the study period) Calculated as: an incident rate per child‐days possible Length of time observed: range = 1 to 8 months · children aged from birth to 14 years old

It is very uncertain whether rinse‐free hand wash changes absenteeism due to acute respiratory illness (within the study… compared with control (very low certainty).

1 finding from 1 review

Rinse‐free hand wash vs control

Absenteeism due to acute gastrointestinal illness (within the study period) Calculated as: an incident rate per child‐days possible Length of time observed: range = 1 to 8 months · children aged from birth to 14 years old

Rinse‐free hand wash may leads to lower absenteeism due to acute gastrointestinal illness (within the study… compared with control (low certainty).

1 finding from 1 review

Vitamin D (higher dose) vs vitamin D (lower dose)

Adverse effect: hypercalciuria As defined by trialists Time frame: 3 months · children under 5 years of age

Vitamin D (higher dose) showed no clear difference in adverse effect: hypercalciuria As defined by trialists Time frame:… compared with vitamin D (lower dose) (low certainty).

1 finding from 1 review

Vitamin D (higher dose) vs vitamin D (lower dose)

Hypercalcaemia · children under 5 years of age

Vitamin D (higher dose) showed no clear difference in adverse effect: hypercalcaemia As defined by trialists Time frame:… compared with vitamin D (lower dose) (low certainty).

1 finding from 1 review

Vitamin D (higher dose) + micronutrient(s) vs vitamin D (lower dose) + micronutrient(s)

Adverse effect: hypercalciuria As defined by trialists Time frame: 3 months · children under 5 years of age

Vitamin D (higher dose) + micronutrient(s) showed no clear difference in adverse effect: hypercalciuria As defined by trialists Time frame: 3… compared with vitamin D (lower dose) + micronutrient(s) (low certainty).

1 finding from 1 review

Vitamin D (higher dose) + micronutrient(s) vs vitamin D (lower dose) + micronutrient(s)

Hypercalcaemia · children under 5 years of age

Vitamin D (higher dose) + micronutrient(s) showed no clear difference in adverse effect: hypercalcaemia As defined by trialists Time frame:… compared with vitamin D (lower dose) + micronutrient(s) (moderate certainty).

1 finding from 1 review