Level of instruction Number Percentage % Mean Hb ±SD
Analphabéte 14 14.43 8.19 ±1.52
Primary education 15 15.46 8.26 ±1.51
Means 31 31.95 9.33 ±1.50
Secondary 23 23.71 9.00 ±1.71
Academic 14 14.43 9.89 ±0.85
Total 97 100 8.93 ±1.41
Table 7 : Relation between level of instruction and mean Hb.