The teenagers also filled in questionnaires about their relationship with their parents and grandparents, how well they were supervised after school and whether they were allowed to meet friends at home.

• 此外，这些接受调查的青少年还填写了关于自己和父母以及祖父母关系的调查表，问题涉及的内容主要是关于放学后家人对他们的监督情况以及是否允许他们在家里接待朋友等等。