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. 2021 May 28;12:679476. doi: 10.3389/fpsyg.2021.679476

Table 2.

Odds ratios (OR; 95% CI) according to players’ age category by gender for youth soccer and futsal players examining relative age effect (RAE).

Age category Odds ratios (95% CI)
Q1 vs. Q4 Q2 vs. Q4 Q3 vs. Q4 S1 vs. S2
Female
Soccer
U7 1.66 (1.05–2.65) 1.86 (1.18–2.92) 1.74 (1.11–2.74) 1.27 (0.95–1.71)
U9 1.49 (1.16–1.91) 1.35 (1.05–1.74) 0.91 (0.69–1.19) 1.49 (1.25–1.78)
U11 1.14 (0.93–1.38) 1.12 (0.92–1.36) 0.99 (0.81–1.21) 1.13 (0.99–1.30)
U13 1.09 (0.91–1.32) 1.15 (0.96–1.39) 0.96 (0.80–1.16) 1.14 (1.00–1.30)
U15 1.09 (0.92–1.29) 1.09 (0.92–1.29) 1.14 (0.96–1.34) 1.02 (0.90–1.15)
U17 1.04 (0.87–1.24) 1.14 (0.96–1.36) 1.06 (0.89–1.26) 1.06 (0.93–1.19)
U19 0.83 (0.67–1.02) 1.00 (0.82–1.21) 0.95 (0.78–1.15) 0.94 (0.81–1.08)
Futsal
U7 1.12 (0.55–2.26) 1.10 (0.55–2.23) 0.83 (0.39–1.74) 1.22 (0.73–2.02)
U9 1.84 (1.20–2.83) 1.41 (0.90–2.21) 1.39 (0.89–2.16) 1.36 (1.01–1.81)
U11 1.24 (0.88–1.75) 1.02 (0.71–1.46) 1.07 (0.75–1.51) 1.09 (0.85–1.39)
U13 1.11 (0.82–1.51) 0.83 (0.60–1.15) 1.08 (0.80–1.46) 0.93 (0.75–1.16)
U15 1.25 (0.95–1.65) 1.27 (0.97–1.67) 1.13 (0.86–1.49) 1.18 (0.98–1.43)
U17 1.07 (0.85–1.35) 1.06 (0.84–1.33) 1.02 (0.81–1.29) 1.05 (0.89–1.24)
U19 1.14 (0.91–1.42) 0.89 (0.70–1.12) 1.01 (0.81–1.26) 1.01 (0.86–1.18)
Male
Soccer
U7 1.47 (1.37–1.57) 1.36 (1.26–1.46) 1.26 (1.17–1.35) 1.25 (1.19–1.31)
U9 1.26 (1.20–1.32) 1.12 (1.07–1.18) 1.05 (1.00–1.10) 1.16 (1.12–1.20)
U11 1.11 (1.07–1.15) 1.07 (1.03–1.11) 1.03 (1.00–1.07) 1.07 (1.04–1.10)
U13 1.13 (1.09–1.17) 1.04 (1.01–1.08) 1.07 (1.04–1.11) 1.05 (1.02–1.07)
U15 1.26 (1.21–1.31) 1.16 (1.11–1.20) 1.06 (1.02–1.10) 1.17 (1.14–1.21)
U17 1.28 (1.23–1.33) 1.18 (1.14–1.23) 1.06 (1.02–1.11) 1.19 (1.16–1.23)
U19 1.27 (1.21–1.33) 1.19 (1.13–1.25) 1.06 (1.01–1.11) 1.19 (1.15–1.23)
Futsal
U7 1.54 (1.31–1.80) 1.25 (1.06–1.47) 1.15 (0.98–1.36) 1.29 (1.15–1.44)
U9 1.34 (1.20–1.49) 1.20 (1.08–1.34) 1.09 (0.98–1.22) 1.21 (1.12–1.31)
U11 0.98 (0.90–1.08) 0.98 (0.89–1.07) 1.00 (0.91–1.09) 0.98 (0.92–1.05)
U13 1.06 (0.97–1.15) 1.06 (0.97–1.15) 1.03 (0.95–1.12) 1.04 (0.98–1.11)
U15 0.98 (0.90–1.06) 0.95 (0.87–1.03) 0.97 (0.89–1.05) 0.98 (0.92–1.04)
U17 1.01 (0.93–1.10) 1.05 (0.97–1.15) 1.02 (0.94–1.12) 1.02 (0.96–1.08)
U19 0.99 (0.90–1.10) 1.01 (0.91–1.12) 1.09 (0.99–1.20) 0.96 (0.89–1.03)

Values in bold are significant.