Table 3. Distribution of the birth quartile according to the analysed league.
League Quartile Total X2 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 3.203 3 .361 .028
LaLiga Santander 641
(34.4)		 488
(26.2)		 404
(21.7)		 331
(17.8)		 1864 114.116 3 .000*** .247 1.937
(1.937-1.937)		 1.474
(1.474-1.474)		 1.221
(1.221-1.221)
LaLiga Smartbank 718
(32.2)		 589
(26.4)		 491
(22.0)		 435
(19.5)		 2233 82.721 3 .000*** .192 1.651
(1.651-1.651)		 1.354
(1.354-1.354)		 1.129
(1.129-1.129)
Note. Q= quartile; fr= frequency; %= percentage; X2=chi square; df =degrees of freedom; p= significance level; V= Cramer's V.
*** p <0.001.