Among the Maasai, monogamous households  have worse access to food and less healthier children, thus lending credence to the Maasai's own materialist justifications for polyandry

Among the Maasai, monogamous households have better access to food and healthier children, thus calling into question the Maasai's own materialist justifications for polygyny

Among the Maasai, polyandrous households have worse access to food and less healthier children, thus calling into question the Maasai's own materialist justifications for polyandry