Table 2 Distribution of vomiting places of students
Place of vomiting | No. of vomiting cases | % |
|---|---|---|
Bus | ||
 Plastic bag | 28 | 13 |
 Ground | 10 | 5 |
 Outside the window | 2 | 1 |
Military training | ||
 Bathroom | 6 | 3 |
 Dorm | 4 | 2 |
 Playground | 4 | 2 |
 Canteen | 1 | 0 |
School | ||
 Toilet | 61 | 28 |
 Classroom | 20 | 9 |
 Playground | 7 | 3 |
 Doorway | 6 | 3 |
 Other | 13 | 6 |