a weakly significant differenceP = 0.049
Blastocystis hominis showed only a weakly significant difference in prevalence between the regions when fitted alone with REGION (REGION × INFECTION, χ 2 3 = 7.85, P = 0.049) but was also a component of an interaction with SEX in the minimum sufficient model after initial fitting of all the factors (REGION × SEX × INFECTION, χ 2 3 = 8.17, P = 0.043).