“… 15 , 17 , 18 , 19 , 21 , 22 , 23 , 24 , 27 , 30 , 31 A total of 8 studies used nationally representative school- or student-level data, 15 , 16 , 17 , 18 , 20 , 21 , 23 , 24 3 studies focused on multiple states, 19 , 22 , 27 and the remaining 6 studies examined the PE laws of a single state (i.e., Alabama, California, North Carolina, Texas (covered by 2 studies), or Wyoming). 25 , 26 , 28 , 29 , 30 , 31 A total of 8 studies analyzed and reported student-level outcomes, 15 , 16 , 17 , 19 , 20 , 21 , 23 , 31 whereas the remaining 9 studies reported outcomes at the school or school district level. 18 , 22 , 24 , 25 , 26 , 27 , 28 , 29 , 30 Among the studies reporting student-level outcomes, 15 , 16 , 17 , 19 , 20 , 21 , 23 , 31 the mean and median number of students was 105,065 and 36,833, respectively.…”