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  • Title: The iron status of Black and white female adolescents from eight Southern states.
    Author: Liebman M, Kenney MA, Billon W, Clark AJ, Disney GW, Ercanli EG, Glover E, Lewis H, Moak SW, McCoy JH, Schilling P, Thye F, Wakefield T.
    Journal: Am J Clin Nutr; 1983 Jul; 38(1):109-14. PubMed ID: 6858945.
    Abstract:
    Hb, hematocrit, plasma iron, and transferrin saturation were measured in approximately 1000 girls aged 12, 14, or 16 yr in eight southern states. The iron status parameters did not differ significantly among the three age groupings or between menstruating and nonmenstruating girls. Blacks had significantly lower mean Hb (p less than 0.0001), hematocrit (p less than 0.0001), and transferrin saturation (p less than 0.05) levels than whites and a greater proportion of Blacks exhibited low Hb (p less than 0.05) and low hematocrit levels (p less than 0.01). Adjusting for dietary iron intakes and per capita income levels did not adequately account for significant race differences for iron status parameters. These findings support the contention that genetic as well as environmental factors are responsible for the frequently reported Black-white differences in Hb and hematocrit levels.
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