Table 5. Quarterly distribution (Q) of the dates of birth of the players and odd ratio in relation to the subgroups according to the final qualifying position in the 2015-16 season.
Classification Quarterly (Q) Odd-ratio (CI 95%)
Q1 Q2 Q3 Q4 Total X2* gl p V§ Q1-Q4 Q2-Q4 Q3-Q4
Total 1641
(31.6)
1339
(25.7)
1244
(23.9)
977
(18.8)
5201 11.489 9 .244 .03
The first
4 teams
356
(30.5)
345
(29.6)
257
(22)
208
(17.8)
1166 52.093 3 .000 .211 1.712
(1.678-1.747)
1.659
(1.628-1.691)
1.236
(1.226-1.246)
Half of
table
898
(31.3)
721
(25.2)
692
(24.1)
555
(19.4)
2866 33.245 3 .000 .170 1.618
(1.573-1.665)
1.299
(1.279-1.319)
1.247
(1.231-1.263)
The last
4 teams
387
(33.1)
273
(23.4)
295
(25.2)
214
(18.3)
1169 52.964 3 .000 .213 1.808
(1.769-1.848)
1.276
(1.265-1.288)
1.379
(1.363-1.395)
* X2=chi square
† gl = degrees of freedom
‡ p = level of significance
§ V = Cramer´s V