Table 3.

Odds ratios (and the 95% confidence interval) examining birth-date distributions in relation to female soccer players’ subgroups

	Odds ratio comparisons (95% confidence interval)
Group	Q1 vs Q4	Q2 vs Q4	Q3 vs Q4	S1 vs S2
National team	2.68 (1.99–4.32)	2.60 (2.30–5.03)	1.09 (0.88–2.72)	2.18 (2.02–3.45)
Regional team	2.24 (2.34–5.51)	2.15 (2.22–4.75)	0.75 (0.71–1.27)	2.10 (2.13–3.99)
First division	2.02 (2.15–4.01)	2.02 (2.28–4.15)	0.99 (0.86–0.98)	2.07 (1.99–3.07)
Second division	1.22 (0.97–1.83)	1.03 (0.93–1.54)	0.89 (0.88–1.07)	1.54 (1.75–2.72)
Third Division	0.66 (1.07–1.11)	0.74 (1.02–1.11)	0.43 (0.75–0.85)	0.32 (1.09–1.17)