부산대학교 도서관

The subjects were 372 students from the first to third grade．A questionnaire was administered to determine their daily habits．The questions were put under two sections，one related to timings and the other related to activities．The part relating to timings asked when the students went to bed and rose in the morning，when they left for school，the time spent studying，watching TV，playing computer games，speaking on their mobile phones，otherwise having a good time，exercising，studying，reading and attending cram schools．The part regarding activities asked about habits related to eating breakfast，morning tooth brushing，bowel movements，tooth brushing after lunch，snacks between meals，dinners，reading newspapers，magazines and comic books，baths，midnight snack and brushing teeth before bedtime．A questionnaire on daily habits for oral health called “Oral Salutogenic Score for in junior high school students” was conducted．As an indicator of scholastic ability，the overall results of the second-term，November proficiency test were divided into an upper scholastic ability group of 75％ and a lower one 25％．