Predicted obesity prevalence among children and mothers by (a) mother's education (– – –, children; ——, mothers), (b) urban residence (
, urban;
, rural) and (c) national income (gross per capita and adjusted for purchasing power parity; – – –, children; ——, mothers). Data analysed were from ninety-five nationally representative health and nutrition surveys conducted between 1990 and 2008 in thirty-three less developed countries, sample included children aged 2–4 years (n 253 442) and their mothers (n 228 655)