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Table 2 Age frequency in males and females

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

Males

 

Females

Age (years)

Frequency

 

Age (years)

Frequency

16

4

 

16

1

17

24

 

17

6

18

225

 

18

18

19

86

 

19

5

20

43

 

20

8

21

18

 

21

7

22

7

 

22

4

23

4

 

23

1

24

3

   

25

5

   

26

2

   

27

2

   

28

2

   

29

12

   

30

2

   

31

2

   
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BMC Sports Science, Medicine and Rehabilitation

ISSN: 2052-1847

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