Time to occurrence of acute URTI ‐ not reported · children up to the age of 7 at risk of upper respiratory tract infection
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Number of cases with complications ‐ not reported · children up to the age of 7 at risk of upper respiratory tract infection
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Rate of hospitalisation ‐ not reported · children up to the age of 7 at risk of upper respiratory tract infection
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Total hip BMD · premenopausal women (ages 18–36 years)
1 finding from 1 review
Lumbar spine bone mineral density (BMD) · premenopausal women (ages 18–36 years)
1 finding from 1 review
Quality of life · premenopausal women (ages 18–36 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Vertebral fracture · premenopausal women (ages 18–36 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Non‐vertebral fractures · premenopausal women (ages 18–36 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Acceptability: total withdrawals · premenopausal women (ages 18–36 years)
Calcium and vitamin D showed no clear difference in withdrawals from the study for any reason compared with placebo (low certainty).
1 finding from 1 review
Serious adverse events · premenopausal women (ages 18–36 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Dental caries · Children aged 2 to 8 years
The review reported a lower odds ratio at maternal prenatal vitamin D ≤50 nmol/L than at ≤35 nmol/L, without a numeric value in the available sources.
1 finding from 1 review
Dental caries · Children aged 2 to 8 years
The review reported a slightly higher odds ratio at maternal prenatal vitamin D ≤35 nmol/L than at ≤50 nmol/L, without a numeric value in the available sources.
1 finding from 1 review
Dental caries prevalence · Children aged 2 to 8 years
The review reported 44% dental caries prevalence among children of mothers with low prenatal vitamin D.
2 findings from 1 review
Dental caries · Children aged 2 to 8 years
The review reported an OR of 1.32 when prenatal vitamin D was measured at 6 to 38 gestational weeks.
2 findings from 1 review
Serum/plasma retinol (μmol/L) · general population over 2 years of age
1 finding from 1 review
Subclinical vitamin A deficiency (serum/plasma retinol 70 μmol/L or less) · general population over 2 years of age
It is very uncertain whether staple foods fortified with vitamin A changes subclinical vitamin A deficiency (serum/plasma retinol 70 μmol/L or… compared with same unfortified staple foods (very low certainty).
1 finding from 1 review
Clinical vitamin A deficiency (as defined by night blindness) · general population over 2 years of age
It is very uncertain whether staple foods fortified with vitamin A changes clinical vitamin A deficiency (defined as night blindness) compared with same unfortified staple foods (very low certainty).
1 finding from 1 review
All‐cause mortality · general population over 2 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
All‐cause morbidity · general population over 2 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Any adverse effects (e.g. hypervitaminosis A, as defined by the trialists) · general population over 2 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found