Those with good general health had an average mental wellbeing score of 50.4, whilst those with bad general health had an average mental wellbeing score of 39.1.
Cafodd y rhai ag iechyd cyffredinol da sgôr llesiant meddyliol cyfartalog o 50.4, ac roedd gan y rhai ag iechyd cyffredinol gwael sgôr llesiant meddyliol cyfartalog o 39.1.