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Quarter of birth distribution of female Brazilian elite volleyball athletes.
| Quarter of the date of birth | Athletes (n) | Percentage (%) | |
|---|---|---|---|
| Q1 | 54 | 27.55 | |
| Q2 | 55 | 28.06 | |
| Q3 | 43 | 21.94 | |
| Q4 | 44 | 22.45 | |
| 1st | 109 | 55.61 | |
| 2nd | 87 | 44.39 | |
| χ2 | 2.490 | ||
| df | 3 | ||
| p-value | <0.477 | ||
| OR (Q1:Q4) | 1.227 | ||
| OR (1st:2nd) | 1.252 |
Q1–Q4 = birth quarter; χ2 = Chi-square value; OR = odds ratio; Q1:Q4 = first quarter compared to the fourth quarter; 1st:2nd odds ratio from the 1st semester to the 2nd semester
