Prior to the pandemic, between 2016-18 and 2019-20, there was no significant change in the proportion of adults who reported fewer than two healthy lifestyle behaviours.
Cyn y pandemig, rhwng 2016-18 a 2019-20, nid oedd newid sylweddol yng nghyfran yr oedolion a ddywedodd fod ganddynt lai na dau ymddygiad ffordd o fyw iach.