“…For individual factors, we have age ( Liu et al, 2022 ), gender ( Liu et al, 2022 ; Sanoussi, 2017 ; Sanoussi et al, 2020 ), birth order ( Assaad et al, 2012 ; Liu et al, 2022 ), and breastfeeding status ( Katoch, 2022 ; Mkupete et al, 2022 ). For household factors, we have the number of under-five children in the household ( Sanoussi et al, 2020 ), residence area ( Pérez-Mesa et al, 2022 ), region ( Assaad et al, 2012 ; Liu et al, 2022 ), wealth ( Aizawa, 2019 ; Assaad et al, 2012 ; Singh, 2011 ), mother's and father's education ( El-Kogali et al, 2016 ; Liu et al, 2022 ; Pérez-Mesa et al, 2022 ), water and sanitation ( Mkupete et al, 2022 ), media exposure ( Aizawa, 2019 ), and mother’s age at birth ( Assaad et al, 2012 ; Paul & Saha, 2022 ).…”