Women's rank modifies the relationship between household and women's food insecurity in complex households in northern Burkina Faso

► Food insecurity likely differs between household and woman-children levels. ► Household food insecurity varied more with seasons than that of woman-children. ► Woman-children food insecurity increased when household food insecurity increased. ► Woman in monogamous households were less, but at risk of becoming, food insecure. ► Most recently married women became more food insecure with household food insecurity.