Within each of these sets, a core set of questions were asked of the relevant respondents to decide whether they were in material deprivation or not.
O fewn pob un o’r setiau hyn, gofynnwyd set graidd o gwestiynau i’r ymatebwyr perthnasol i benderfynu a oeddent yn dioddef amddifadedd materol ai peidio.