Years lived with HIV ≥9yrs, years lived with HIV 5–8 yrs, CD4 count<200cells/ul, CD4 count 200-350cells/ul, infection with intestinal parasites and participants with BMI <18.5kg/m2, BMI 18.5-25kg/m2 and Being HAART naïve were factors associated with anemia among adult people living with HIV/AIDS in this study. This evidence concerns the gene CD4 and anemia (phenotype).