Table 1.
Criteria | Description |
---|---|
Participants | Pregnant women and their children up to 18 y of age |
Intervention/exposure | In utero vitamin D status in either maternal blood or cord blood |
Comparisons | Sufficient vs insufficient vitamin D status or analysis of vitamin D status by quartile |
Outcomes |
|
Study design | Randomized controlled trials, nonrandomized controlled trials, cohort, and case–control studies |
Abbreviations: HIV, human immunodeficiency virus; IgE, immunoglobulin E.