Figure 3 .
Effect of iron fortification of milk and cereals on anemia compared to non-fortified food. Only studies with iron fortification included (n = 11 RCT). Results are provided as risk ratio (RR, 95%-CI) of suffering from anemia in the intervention group compared to the control group (iron single-fortification (1); iron multi micronutrient fortification (3); overall effect).
Eichler et al. BMC Public Health 2012 12:506 doi:10.1186/1471-2458-12-506