All‐cause mortality · children under 5 years of age
1 finding from 1 review
Cause‐specific mortality · children under 5 years of age
1 finding from 1 review
Incidence rate radiologically confirmed first or only episode of pneumonia · children under 5 years of age
1 finding from 1 review
Hospital admissions · children under 5 years of age
1 finding from 1 review
TB cases · children under 5 years of age
1 finding from 1 review
Diarrhoea · children under 5 years of age
1 finding from 1 review
Malaria cases · children under 5 years of age
1 finding from 1 review
Febrile illness · children under 5 years of age
1 finding from 1 review
Any adverse effects of vitamin supplementation sufficient to stop supplementation · pregnant women
Vitamin C and vitamin E showed no clear difference in any adverse effects of vitamin supplementation sufficient to stop… compared with placebo (moderate certainty).
1 finding from 1 review
Vitamin A deficiency · children aged between 6 months and 5 years
Vitamin A supplementation probably leads to lower vitamin A deficiency compared with placebo or usual care (moderate certainty).
1 finding from 1 review
Maternal vitamin D concentration at term (25‐hydroxyvitamin D) (nmol/L) (ALL) · pregnant women
Meta-analysis of randomised trials of vitamin D supplementation for Maternal vitamin D concentrations at term: WMD 47.08 (95% CI 23.76 to 70.39), statistically significant. Umbrella review outcome-level evidence grade: Probable.
1 finding from 1 review
WMD 47.08 [23.76, 70.39]
4 studies
GRADE not reported
Caries presence in primary teeth · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes, children up to 6 years…
It is very uncertain whether high-dose vitamin D3 supplementation during pregnancy (2400 IU/day… changes caries presence in primary teeth compared with low-dose (standard) vitamin D supplementation as recommended in… (very low certainty).
1 finding from 1 review
Dental caries · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes, children up to 6 years…
The review found no eligible studies for this question.
2 findings from 1 review
Serum 25-hydroxyvitamin D level · people with sickle cell disease
1 finding from 1 review
Nutritional rickets‐ biochemical · term breastfed infants to prevent vitamin D deficiency and improve bone health
1 finding from 1 review
Hypercalcaemia · term breastfed infants to prevent vitamin D deficiency and improve bone health
Vitamin D given to infants showed no clear difference in adverse effect (hypercalcaemia) compared with vitamin D given to lactating mothers (low certainty).
1 finding from 1 review
Incidence of dementia ‐ not measured · MCI
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Cognitive function · MCI
1 finding from 1 review
Cognitive subdomain: episodic memory measured at the end of · MCI
1 finding from 1 review
Executive function (specific cognitive function) · MCI
1 finding from 1 review