marginally significantp = 0.051
Households with two or more siblings and pets displayed marginally significant increased abundances of Penicillium (W = 38, p = 0.051, r = −0.008, CI 95% −0.014 to 0.0007) and Aureobasidium (W = 42, p = 0.087, r = −0.006, CI 95% −0.028 to 0.001), while those with no siblings and no pets exhibited lower overall fungal diversity.