Table 3 One way analysis of variance for minutes played of players by birth quarters.
From: Relative age effect and performance in elite youth male basketball
Seasons | Age year (mean ± SD) | BQ | n | Mean ± SD | 95% CI | F | P | η2 |
|---|---|---|---|---|---|---|---|---|
All | 15.84 ± .42 | BQ1 | 278 | 1049.46 ± 437.60 | 997.79–1101.13 | 1.16 | 0.32 | 0.00 |
BQ2 | 206 | 1017.80 ± 425.55 | 959.34–1076.25 | |||||
BQ3 | 132 | 998.06 ± 446.02 | 921.26–1074.85 | |||||
BQ4 | 62 | 944.50 ± 430.57 | 835.15–1053.05 | |||||
2014–2015 | 15.96 ± .23 | BQ1 | 69 | 1135.87 ± 480.42 | 1020.46–1251.28 | 1.34 | 0.26 | 0.02 |
BQ2 | 36 | 1066.11 ± 423.22 | 922.91–1209.31 | |||||
BQ3 | 30 | 940.80 ± 499.42 | 754.31–1127.29 | |||||
BQ4 | 11 | 986.55 ± 399.78 | 717.97–1255.12 | |||||
2015–2016 | 15.82 ± .39 | BQ1 | 52 | 934.46 ± 484.68 | 799.53–1069.40 | 0.72 | 0.54 | 0.01 |
BQ2 | 49 | 1056.71 ± 494.67 | 914.63–1198.80 | |||||
BQ3 | 37 | 981.38 ± 427.41 | 838.87–1123.88 | |||||
BQ4 | 14 | 1083.93 ± 503.78 | 793.06–1374.80 | |||||
2016–2017 | 15.78 ± .44 | BQ1 | 40 | 1017.15 ± 379.81 | 895.68–1138.62 | 0.45 | 0.71 | 0.01 |
BQ2 | 35 | 1055.54 ± 352.80 | 934.35–1176.73 | |||||
BQ3 | 16 | 1088.75 ± 380.94 | 885.76–1291.74 | |||||
BQ4 | 13 | 937.92 ± 430.47 | 677.79–1198.05 | |||||
2017–2018 | 15.91 ± .52 | BQ1 | 47 | 1036.66 ± 486.31 | 893.87–1179.45 | 0.10 | 0.95 | 0.00 |
BQ2 | 28 | 989.25 ± 386.04 | 839.56–1138.94 | |||||
BQ3 | 21 | 1024.38 ± 489.54 | 801.55–1247.22 | |||||
BQ4 | 8 | 958.50 ± 394.39 | 628.78–1288.22 | |||||
2018–2019 | 15.75 ± .44 | BQ1 | 33 | 1056.27 ± 365.63 | 926.63–1185.92 | 2.04 | 0.11 | 0.07 |
BQ2 | 25 | 976.12 ± 443.94 | 792.87–1159.37 | |||||
BQ3 | 15 | 925.20 ± 390.32 | 709.05–1141.35 | |||||
BQ4 | 6 | 619.83 ± 494.99 | 100.38–1139.29 | |||||
2019–2020 | 15.78 ± .47 | BQ1 | 37 | 1095.08 ± 300.71 | 994.82–1195.34 | 1.84 | 0.14 | 0.05 |
BQ2 | 33 | 923.09 ± 416.61 | 775.37–1070.81 | |||||
BQ3 | 13 | 1107.62 ± 470.68 | 823.19–1392.05 | |||||
BQ4 | 10 | 895.20 ± 320.32 | 666.06–1124.34 |