Due to the change in the mode of the National Survey for Wales and some of the questions being adapted, it’s not possible to consider trends for healthy lifestyle measures for adults.
Oherwydd y newid ym modd Arolwg Cenedlaethol Cymru ac oherwydd bod rhai o’r cwestiynau wedi cael eu haddasu, nid yw’n bosibl ystyried tueddiadau ar gyfer mesurau ffordd o fyw iach i oedolion.