As with all analysis of this type, we are unable to attribute cause and effect for these associations, or to take account of factors not measured in the survey.
Fel gyda phob dadansoddiad o'r math hwn, ni allwn briodoli achos ac effaith ar gyfer y cysylltiadau hyn, nac ystyried ffactorau na chawsant eu mesur yn yr arolwg.