Males were more likely to have been referred by school-based and other education staff (64% of all male referrals), compared with 59% of all female referrals.
Dywedodd 59% o bobl â chredoau crefyddol eu bod wedi cymryd rhan mewn rhyw fath o gamblo o gymharu â 64% o bobl heb unrhyw grefydd benodol.