Table 6 Estimation of recommended intake of iron for women with child-bearing age
calculating method | n | weight (kg) | iron physiological requirement adjusted by weight (μg.kg−1.d− 1) | iron physiological requirement (mg/d) | reference weight (kg) | EAR (mg/d) | RNI (mg/d) |
|---|---|---|---|---|---|---|---|
formula calculation method | 21 | 64.87 | 23.63 | 1.55 | 56 | 13 | 18 |
linear regression method | 33 | 64.31 | 20.98 | 1.29 | 56 | 11 | 15 |
recommended value | 56 | 26.25 | 1.47 | 56 | 15 | 20 |