An online survey of 1,562 residents of multi-occupied buildings in Wales was conducted, followed by 24 qualitative in-depth interviews, with residents selected from the survey respondents.
Cynhaliwyd arolwg ar-lein o 1,562 o drigolion adeiladau aml-feddiannaeth yng Nghymru, yna cynhaliwyd 24 o gyfweliadau ansoddol manwl, gyda thrigolion a ddewiswyd o blith ymatebwyr yr arolwg.