This project did not find any discontinuities between the variables selected from the previous design of the National Survey for Wales (from 2012-15) and the new survey.
Ni lwyddodd y prosiect i ddod o hyd i unrhyw annilyniant rhwng y newidynnau a ddewiswyd o gynllun blaenorol Arolwg Cenedlaethol Cymru (2012-15) a'r arolwg newydd.