24% of people said they had high levels of anxiety the previous day, which is higher than in 2019-20 when 20% of people felt this.
Dywedodd 24% o bobl fod ganddynt lefelau uchel o bryder y diwrnod cynt, sy'n uwch nag yn 2019-20 pan oedd 20% o bobl yn teimlo hyn.