Fig. 3From: Association between red blood cell folate and Trichomonas vaginalis infection among womenCorrelation between RBC folate and T. vaginalis infection stratified by age. Fitting curve of the association between RBC folate and T. vaginalis infection, stratified by age, with age = 35 taken as the dividing criterion. Age, PIR, BMI, race, dietary calcium intake, serum or plasma cholesterol, education status, alcohol consumption and marital status were adjustedBack to article page