Table 5.
Distribution of the birth quartile according to the game position.
Position
Quartile
Total
X
2
df
p
V
Odd-ratio
(CI 95%)
Q1
fr (%)
Q2
fr (%)
Q3
fr (%)
Q4
fr (%)
Q1-Q4
Q2-Q4
Q3-Q4
Total
1359
(33.2)
1077
(26.3)
895
(21.8)
766
(18.7)
4097
12.008
9
0.213
.031
Goalkeeper
145
(32.2)
136
(30.2)
99(22)
71
(15.7)
451
31.115
3
.000
***
.263
2.042
(2.038-2.046)
1.915
(1.911-1.919)
1.394
(1.391-1.397)
Defender
463
(34.3)
364
(27.0)
283
(21.0)
240
(17.8)
1350
85.716
3
.000
***
.252
1.929
(1.928-1.931)
1.517
(1.516-1.518)
1.179
(1.178-1.180)
Midfielder
408
(33.9)
302
(25.1)
265
(22.0)
228
(19.0)
1203
60.099
3
.000
***
.224
1.789
(1.789-1.789)
1.325
(1.325-1.325)
1.162
(1.162-1.162)
Forward
343
(31.4)
275
(25.2)
248
(22.7)
227
(20.8)
1093
27.977
3
.000
***
.160
1.511
(1.510-1.512)
1.211
(1.210-1.212)
1.093
(1.093-1.094)
Note. Q= quartile; fr= frequency; %= percentage; X
2
=chi square; df =degrees of freedom; p= significance level; V= Cramer's V.
***p < 0.001.