Age (years)

Experimental group

Control group

Number

%

Sp

Number

%

Sp

20 - 24

25 - 29

30+

27

16

2

56.53

39.00

2.47

7.10

3.36

2.44

25

7

12

61.36

36.36

2.28

7.34

7.25

2.24

All

45

100.00

-

44

100.00

-