Daytime sleepiness in Chinese professional, semi professional and students soccer players in the Shanghai lockdown

Table 3 Differences between genders and qualification levels

Variable	df	Nr.	F	p
Age/Levels	2	490	361.42	0.000
Total ESS score/Levels	2	490	13.36	0.000
Total ESS score/Gender	1	490	13.02	0.000
Item 1/Gender	1	490	9.76	0.002
Item 2/Gender	1	490	11.88	0.001
Item 3/Gender	1	490	11.22	0.001
Item 4/Gender	1	490	13.02	0.000

Item 1: “sleeping while sitting and reading”; Item 2: “while watching television/mobile”; Item 3: “sitting and talking with someone”; Item 4: “sitting quietly after a lunch without alcohol.”

ISSN: 2052-1847