Table 4: TGMD-2 results of preschool children from urban high-income, urban low-income, and rural low-income settings across South Africa.

Total sample ()Urban high- income ()Urban low-income ()Rural low- income ()

GMQ categories %
 Very poor, poor & average72.26.69.1
 Average60.573.971.447.1
 Above average, superior & very superior32.723.92243.8