Sector representative body (22%), Business Wales (12%), and Social Care Wales (9%) were mentioned by significantly fewer settings.
Roedd y cyfraddau absenoldeb oherwydd salwch isaf yn Addysg a Gwella Iechyd Cymru (2.4%), Partneriaeth Cydwasanaethau GIG Cymru (2.7%) ac Iechyd a Gofal Digidol Cymru (2.9%).