Fig. 4From: Indicators of anemia and physical growth in schoolchildren from the Ouest and Sud-Est Departments of Haiti: a cross-sectional studyRelationships between weight-for-age and hemoglobin by age group. The relationship between body mass index (BMI) Z score and hemoglobin concentration (g/L) is presented by age group and for all participants (gray circle), along with the locally weighted scatterplot smoothing line (LOESS, blue dashed)Back to article page