The final quarter of 2020-21 (January to March 2021) was the first quarter when questions were asked for all five healthy lifestyle behaviours, and these results are reported here.
Chwarter olaf 2020-21 (Ionawr i Fawrth 2021) oedd y chwarter cyntaf pan ofynnwyd cwestiynau am bob un o'r pum ymddygiad ffordd o fyw iach, ac adroddir ar y canlyniadau hyn yma.