Table 6.
Overview of reported supplement data and study characteristics, for pregnant women and children up to two years, published since 2008.
| Supplement Use | Pregnant Women | Children up to 2 Years | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number of Articles | Number of Individual Studies | Number of Participants | Year of Assessment | Method | Number of Articles | Number of Individual Studies | Number of Participants | Year of Assessment | Method | |
| Vitamin A | 1 | 1 | 3963 | 1996 | Q | 0 | 0 | - | - | - |
| B Vitamins | 1 | 1 | 3963 | 1996 | Q | 0 | 0 | - | - | - |
| Vitamin C | 1 | 1 | 3963 | 1996 | Q | 0 | 0 | - | - | - |
| Vitamin D | 5 | 3 | 156–7256 | 2002–2010 | Q | 20 | 10 | 9–5322 | 2002–2014 | FFQ, Q, 2d FR |
| Folic acid | 56 | 13 | 46–7890 | 1996–2016 | Q | 2 | 2 | 517–2911 | 2001–2014 | Q |
| Multivitamin | 9 | 3 | 46–3963 | 1996–2014 | Q | 2 | 2 | 517–1356 | 2002–2014 | Q |
| Calcium | 1 | 1 | 3963 | 1996 | Q | 1 | 1 | 517 | 2012–2014 | Q |
| Iron | 3 | 2 | 313–3963 | 1996–2005 | Q | 1 | 1 | 1356 | 2012–2014 | Q |
| Fish oil | 2 | 2 | 2622–3254 | 2000–2004 | FFQ, Q | 0 | 0 | - | - | - |
FFQ = food frequency questionnaire; Q = questionnaire.