전체 남·녀 유병율은 남학생 12.7%, 여항색 14.1%로 여학생이 남학생에 비하여 1.4%정도 높게 나타났다.
The overall prevalence rate of men and women was 12.7% for male students and 14.1% for female students, 1.4% higher for female students than for male students.