A, Hemoglobin concentration of male and female groups.
a
Males significantly different from females (
P
< 0.05);
b
week 13 values significantly different from weeks 1, 5, and 9 (no significant gender-by-time interaction). B, Hemoglobin concentration of iron status groups.
a
Males significantly different from females (
P
< 0.05);
b
week 13 values significantly different from weeks 1, 5, and 9 (
P
< 0.05) (no significant iron status group-by-time interaction). Values are mean ± SD.