Table 4.
Distribution of birth dates of players compared to the teams’ results in the Polish Youth Basketball Championships.
| Q1 (%) | Q2 (%) | Q3 (%) | Q4 (%) | TOTAL | HEIGHT Q1-Q4‡ [cm] |
χ²3 | p | V | Effect | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| ♀ | TOP 3 | 154 (34.4) | 122 (27.2) | 111 (24.8) | 61 (13.6) | 448 | ,48 | 22.10 | <.0001 | .16 | medium |
| 4-8 PLACES | 222 (30.7) | 235 (32.5) | 155 (21.4) | 112 (15.5) | 724 | 1.03 | 29.44 | <.0001 | .14 | small | |
| 9 OR LESS | 747 (33.2) | 614 (27.3) | 540 (24.0) | 346 (15.4) | 2247 | .73 | 80.31 | <.0001 | .13 | small | |
| ♂ | TOP 3 | 166 (35.9) | 135 (29.2) | 103 (22.3) | 59 (12.7) | 463 | 1.15 | 29.73 | <.0001 | .18 | medium |
| 4-8 PLACES | 302 (38.3) | 220 (27.9) | 159 (20.2) | 108 (13.7) | 789 | .40 | 53.46 | <.0001 | .18 | medium | |
| 9 OR LESS | 1006 (38.7) | 766 (29.5) | 514 (19.8) | 311 (12.0) | 2597 | 3.50*** | 221.44 | <.0001 | .21 | medium | |
| Polish Population† | 53362(25.3) | 54879(26.0) | 5557 (26.3) | 47233(22.4) | 211046 | ||||||
χ²3 – chi-squared test value; p – probability value; V – Cramer`s V value
*p<0.01
**p<0.001
***p<0.0001 for post hoc Tukey test
†births per year in 1995-2003
‡ Height difference Q1 to Q4