31% of people who said that they had low to medium levels of life satisfaction were carers, compared with 27% of people who said they were highly satisfied with their life.
Roedd 31% o'r bobl a ddywedodd fod ganddynt lefelau isel i ganolig o foddhad â bywyd yn ofalwyr, o gymharu â 27% o bobl a ddywedodd eu bod yn fodlon iawn ar eu bywyd.