Attributable fractions (AF) of anemia according to age group in urban Amazonian children.

aPrevalence (%) of cases exposed in each risk factors.bAdjusted prevalence ratio (aPR) estimated from multiple Poisson regression models with additional adjustment for age (in overall analysis), sex, wealth index (quartile), maternal schooling (≤4, 5–8, and ≥9 years), and maternal age (10–21, 22–35, and >35 years).cAttributable fraction defined as p(aPR –1)/aPR.