Table 3. Quarterly distribution (Q) of the dates of birth of the players and odd ratio in relation to the subgroups according to the competition
League 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 66.441 27 .000 0.07
Liga Santander
(Spain)
177
(33.8)
142
(37.2)
120
(9.6)
84
(16.1)
523 34.927 3 .000 0.26 2.107
(2.021-2.197)
1.690
(1.641-1.741)
1.429
(1.401-1.458)
Ligue 1
(France)
176
(29.5)
152
(25.5)
157
(12.6)
111
(18.6)
596 15.074 3 .002 0.16 1.586
(1.494-1.684)
1.369
(1.314-1.426)
1.414
(1.352-1.479)
Bundesliga
(Germany)
179
(33.0)
130
(23.9)
143
(26.3)
91
(16.8)
543 29.162 3 .000 0.23 1.967
(1.880-2.059)
1.429
(1.395-1.464)
1.571
(1.524-1.619)
Premier League (England) 164
(28.6)
122
(21.3)
131
(22.9)
156
(27.2)
573 8.340 3 .039 0.12 1.051
(1.039-1.063)
0.782
(0.829-0.738)
0.840
(0.875-0.806)
Serie A (Italy) 221
(35.0)
166
(26.3)
156
(24.7)
89
(14.1)
632 55.684 3 .000 0.30 2.483
(2.405-2.564)
1.865
(1.825-1.906)
1.753
(1.719-1.788)
Eerste Klasse A (Belgium) 126
(28.8)
120
(23.7)
101
(22.4)
103
(22.9)
450 4.098 3 .251 0.10 1.223
(1.111-1.347)
1.165
(1.083-1.253)
0.981
(0.990-0.972)
SüperLig
(Turkey)
176
(33.7)
132
(25.3)
117
(22.4)
97
(18.6)
522 25.877 3 .000 0.22 1.814
(1.734-1.898)
1.361
(1.330-1.393)
1.206
(1.189-1.223)
Bundesliga (Austria) 97
(32.7)
73
(24.6)
62
(30.9)
65
(21.9)
297 10.165 3 .017 0.19 1.492
(1.381-1.612)
1.123
(1.098-1.148)
0.954
(0.963-0.945)
Eredivisie (Netherlands) 169
(32.4)
149
(28.6)
125
(24)
78
(15)
521 35.399 3 .000 0.26 2.167
(2.076-2.262)
1.910
(1.843-1.980)
1.603
(1.562-1.645)
Primeira Liga (Portugal) 156
(28.7)
153
(28.1)
132
(24.3)
103
(18.9)
544 13.191 3 .004 0.16 1.515
(2.076-2.262)
1.485
(1.843-1.980)
1.282
(1.562-1.645)
* X2=chi square
† gl = degrees of freedom
‡ p = level of significance
§ V = Cramer´s V