Usual residents were firstly asked to report if they have a long-term physical or mental health condition or illness, lasting or expected to last 12 months or more.
Gofynnwyd i breswylwyr arferol i ddechrau a oes ganddynt gyflwr neu salwch corfforol neu feddyliol hirdymor, sydd wedi para neu y disgwylir iddo bara am 12 mis neu fwy.