so these were things like having a closed campus

所以这类似于对比相对封闭的学校
as opposed to an open campus,

与开通的学校
whether or not they allowed eating in the classroom,

是否允许学生在教室内吃东西
whether or not they allowed eating in the hallway, things like that.

是否允许在走廊上吃东西等等
What they found is that the schools that had more policies

他们发现那些限制消费政策较多的学校
to limit consumption actually had a lower prevalence of obesity

比那些政策较少的学校来说
then the schools that had fewer of those policies.

肥胖症流行程度越小
This is a really interesting study

这个研究真的很有趣
because unlike just the others that look more at behavior,

因为与其他专注于行为的研究不同
this one actually found a link to student weight.

这一研究实际上与学生体重联系上了
In addition to those,

除此之外
there have been a number of large-scale studies

也有一些大规模的研究