20대는 고위험군과 잠재적 위험군이 22.3%, 30대는 고위험군과 잠재적 위험군이 15.8%로 각각 조사되었다.
In their twenties, high-risk and potential-risk groups were 22.3%, respectively, and in their 30s, high-risk and potential-risk groups were 15.8%, respectively.