Over 8 months , in the micronutrient group , hemoglobin increased by 0.52 g/dL , retinol by 8.56 g/dL , ferritin by 10.8 g/L , body iron stores by 1.27 mg and the decrease in the prevalence of retinol deficiency was from 51.6 % to 28.1 % , anaemia from 46.0 % to 32.6 % , iron deficiency from 66.9 % to 51.3 % and iron deficiency anaemia from 35.2 % to 31.0 % , while the prevalence of all these deficiencies increased or the changes were not significant in the other two groups .