PedsQL SF15 scores for study participants stratified according to S. haematobium egg-positive vs. egg-negative status.

aSh egg-positive were those children initially found to have S. haematobium eggs on urine filtration during parasitological surveys. Sh egg –negative were children who had been egg-negative. N.B. The PedsQL SF15 was administered after testing and treatment for infection. (n = 802 for child self-report and 765 for parent proxy report).bEffect size = (difference between cases and controls)/SD of controls. Effect sizes are typically designated as small (0.20–0.49), medium (0.50–0.79), or large (≥0.80).cP