Table 2 RAE frequency for each comparison by birth quarters (BQ1, BQ2, BQ3, BQ4), with odds ratio (OR) and 95% confidence intervals (CI).
From: Relative age effect and performance in elite youth male basketball
Seasons | BQ1 | BQ2 | BQ3 | BQ4 | Exp | χ2 | p | BQ1 vs BQ4, OR (CI) | BQ2 vs BQ4, OR (CI) | BQ3 vs BQ4, OR (CI) |
|---|---|---|---|---|---|---|---|---|---|---|
All | 278 | 206 | 132 | 62 | 169.5 | 153.78*** | 0.00 | 4.48 (3.28–6.14) | 3.32 (2.38–4.62) | 2.12 (1.49–3.06) |
2014–2015 | 69 | 36 | 30 | 11 | 36.5 | 47.92*** | 0.00 | 6.27 (3.06–12.85) | 3.27 (1.49–7.19) | 2.73 (1.21–6.17) |
2015–2016 | 52 | 49 | 37 | 14 | 38 | 23.53*** | 0.00 | 3.71 (1.88–7.34) | 3.50 (1.76–6.97) | 2.64 (1.28–5.47) |
2016–2017 | 40 | 35 | 16 | 13 | 26 | 21*** | 0.00 | 3.07 (1.48–6.40) | 2.69 (1.27–5.71) | 1.23 (.50–3.01) |
2017–2018 | 47 | 28 | 21 | 8 | 26 | 30.54*** | 0.00 | 5.87 (2.54–13.58) | 3.50 (1.41–8.71) | 2.62 (1.00–6.88) |
2018–2019 | 33 | 25 | 15 | 6 | 19.8 | 21*** | 0.00 | 5.50 (2.07–14.60) | 4.17 (1.50–11.56) | 2.50 (0.81–7.69) |
2019–2020 | 37 | 33 | 13 | 10 | 23.3 | 24.3*** | 0.00 | 3.70 (1.65–8.29) | 3.30 (1.45–7.52) | 1.30 (0.47–3.56) |
