19% of people in very good health and 18% of people in good health walked as a means of transport every day compared with 15% in fair health.
Roedd 19% o bobl ag iechyd da iawn a 18% o bobl ag iechyd da yn cerdded fel dull o deithio bob dydd o gymharu â 15% a ddywedodd fod eu hiechyd yn weddol.