Anonymised survey data is also made available via the UK Data Service for research projects carried out by accredited researchers such as academics and NHS researchers.
Mae data dienw'r arolwg hefyd ar gael drwy Wasanaeth Data'r DU ar gyfer prosiectau ymchwil sy'n cael eu cyflawni gan ymchwilwyr achrededig, fel academyddion ac ymchwilwyr y GIG.