Provision of maize flour or maize flour products fortified with iron plus other vitamins and minerals vs unfortified maize flours or maize flour products: Iron deficiency (as defined by study authors, based on a biomarker of iron status)
It is very uncertain whether provision of maize flour or maize flour products fortified with iron… changes iron deficiency (as defined by trialists, based on a biomarker of… compared with unfortified maize flours or maize flour products (very low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Provision of maize flour or maize flour products fortified with iron plus other vitamins and minerals vs unfortified maize flours or maize flour products Iron deficiency (as defined by trialists, based on a biomarker of iron status) · general population older than 2 years of age (including pregnant women), in Kenya and Mexico It is very uncertain whether provision of maize flour or maize flour products fortified with iron… changes iron deficiency (as defined by trialists, based on a biomarker of… compared with unfortified maize flours or maize flour products (very low certainty). Fortification of maize flour with iron for controlling anaemia and iron deficiency in populations (2018) · Cochrane Headline outcomes only | RR 0.75 [0.49, 1.15] | 2 studies · 1102 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Fortification of maize flour with iron for controlling anaemia and iron deficiency in populations 2018 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.