[Retracted] Investigation on the Status Quo of Students’ Physical Fitness Based on Wireless Communication Networks and Analysis of Influencing Factors

Table 4

The amount of time the student participates in physical exercise time.

Grade	<30 min (%)	30–60 min (%)	60–90 min (%)	90–120 min (%)
Freshman	16	58	19	7
Sophomore	15	55	15	15
Junior	36	40	16	8
Senior year	41	46	8	5