This research used a range of methods, including a scoping review of literature, and statistical analysis approaches which included a latent class analysis of National Survey for Wales data.
mae ystadegau blynyddol yn cyflwyno lefel uwch o fanylder, gan gynnwys dadansoddiad o fewn Cymru a dadansoddiad gan ddefnyddio Mynegai Amddifadedd Lluosog Cymru.