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Table 3 Contingency analysis of the RAE in the total sample and by category between hurdles and sprint events in both sexes

From: Relative age effects on speed trials in Brazilian athletics

Total sample

Sex

Q1

Q2

Q3

Q4

χ2

p

V

L-Ratio

Odds ratio (CI95%)

N

%

N

%

N

%

N

%

Semester

Q1:Q4

Q1

Q2

Q3

Q4

Male

104

40.3

68

26.4

48

18.6

38

14.7

39.49

 < 0.001*

0.13

9.00

1.03 (1.01; 1.05)

1.06 (1.02; 1.10)

1.05 (1.01; 1.10)

1.00 (0.99; 1.05)

1.00 (0.91; 1.05)

0.98 (0.90; 1.00)

Female

72

28.6

75

29.8

58

23.0

47

18.7

8.03

 < 0.05*

0.11

6.02

1.01 (1.00; 1.02)

1.11 (1.01; 2.03)

1.02 (1.00; 1.05)

1.02 (1.00; 1.03)

1.00 (0.99; 1.01)

1.00 (0.97; 1.03)

Total sample

Male

48

24.0

86

43.0

37

18.5

29

14.5

38.2

 < 0.001*

0.15

9.99

1.01 (1.00; 1.03)

1.00 (0.97; 1.04)

1.00 (0.97; 1.05)

1.05 (1.00; 1.10)

0.99 (0.89; 1.02)

1.00 (0.98; 1.07)

Female

47

23.5

52

26.0

50

25.0

51

25.5

0.28

 > 0.95

0.26

9.00

0.99 (1.00; 1.04)

0.55 (0.32; 1.00)

1.00 (0.98; 1.04)

0.95 (0.90; 1.00)

1.00 (0.99; 1.05)

1.00 (0.90; 1.03)

U-16

Male

43

42.6

24

23.8

22

21.8

12

11.9

19.91

 < 0.001*

0.17

9.90

1.04 (1.00; 1.07)

1.04 (0.99; 1.09)

1.01 (1.00; 1.03)

1.00 (0.99; 1.01)

1.00 (0.98; 1.02)

1.00 (0.99; 1.01)

Female

24

24.0

30

30.0

24

24.0

22

22.0

1.44

 > 0.5

0.11

5.00

0.99 (0.97; 1.02)

0.99 (0.77; 1.15)

1.00 (0.99; 1.07)

1.00 (0.99; 1.03)

1.00 (0.99; 1.05)

0.99 (0.96; 1.01)

U-16

Male

30

30.0

40

40.0

20

20.0

10

10

20.0

 < 0.001*

0.25

9.99

1.00 (0.96; 1.02)

1.17 (0.50; 3.07)

1.00 (0.95; 1.01)

1.00 (0.96; 1.05)

1.00 (0.99; 1.01)

0.99 (0.90; 1.01)

Female

22

22.0

27

27.0

21

21.0

30

30.0

2.16

 > 0.5

0.09

5.33

1.00 (0.99; 1.05)

1.00 (0.90; 1.07)

1.00 (0.99; 1.07)

1.00 (0.99; 1.05)

1.00 (0.95; 1.02)

1.00 (0.99; 1.01)

U-18

Male

61

40.7

44

29.3

26

17.3

19

12.7

28.51

 < 0.001*

0.17

9.85

1.02 (1.00; 1.05)

1.07 (1.02; 1.12)

1.01 (1.00; 1.05)

1.00 (0.99; 1.02)

1.00 (0.99; 1.02)

1.00 (0.96; 1.06)

Female

48

31.6

45

29.6

34

22.4

25

16.4

8.79

 < 0.05*

0.10

8.65

1.01 (1.00; 1.02)

1.64 (1.02; 3.73)

1.03 (1.00; 1.05)

1.01 (1.00; 1.02)

1.00 (0.93; 1.03)

1.00 (0.95; 1.01)

U-18

Male

18

18.0

46

46.0

17

17.0

19

19.0

23.6

 < 0.001*

0.19

9.95

1.02 (1.00; 1.05)

3.08 (1.84; 11.3)

1.00 (0.95; 1.05)

1.03 (1.00; 1.10)

0.99 (0.87; 1.01)

1.00 (0.96; 1.02)

Female

25

25.0

25

25.0

29

29.0

21

21.0

1.28

 > 0.7

0.10

3.00

1.00 (0.99; 1.05)

0.74 (0.25; 2.23)

0.99 (0.87; 1.02)

0.99 (0.90; 1.01)

1.00 (0.97; 1.07)

0.99 (0.89; 1.03)

  1. : Sprint events. : Hurdles events. RAE Relative age effect, N Absolute number of participants. % Percentage. χ2 Coefficient of contingency, V Effect Size by “V” Cramer, L-Ratio Likelihoot ratio, U-16 Under-16 category, U-18 Under-18 category, Q1 First quartile, Q2 Second quartile, Q3 Third quartile, Q4 Fourth quartile
  2. *It demonstrates significance at the 0.5 level