Respondents who reported a long-term physical or mental health condition and whose day-to-day activities are limited (either by “a little” or “a lot”) have been defined as disabled.
Mae'r ymatebwyr a nododd fod ganddynt gyflwr corfforol neu feddyliol hirdymor a oedd yn lleihau eu gallu ("ychydig" neu "yn fawr") i wneud gweithgareddau pob dydd wedi'u diffinio'n anabl.