Fig. 1

Prevalence of anemia by gender and age group. The prevalence of mild, moderate, and severe anemia in the study population is shown with respect to the World Health Organization (WHO) classifications of anemia using hemoglobin concentration at sea level (g/L). These include children aged five to eleven years old (panel a), children aged twelve to fourteen years old (panel b), males above the age of fifteen (panels c) and females above the age of fifteen (panels d). The threshold for non-anemia (green line), moderate anemia (yellow line), and severe anemia (red line) are shown based on the WHO classifications for each group of the four groups