“…Following argument in literature (Akinyemi & Morakinyo, 2018; Biswal, Kar, Pal, & Dwibedi, 2018; Kumar et al, 2015), we included five childhood characteristics namely sex, age, size at birth, twin status and birth order as well as four maternal characteristics (residence, education, occupation and wealth quintile). In our quest to make these variables more reader-friendly and suitable for analysis, we recoded some of them.…”