Relative Age Effect in Brazilian water polo: analysis of male and female athletes from U16 to senior categories
Motriz (Online)
; 28: e10220002022, 2022. tab, graf
Article
en En
| LILACS
| ID: biblio-1386370
Biblioteca responsable:
BR1.1
ABSTRACT
Abstract Aim:
To investigate the existence of relative age effect (RAE) in Brazilian water polo athletes according to sex and age category.Methods:
The birthdate of 574 Brazilian water polo athletes were organized according to the athletes' birthdates into quarters of the year (Q1, Q2, Q3, and Q4), and classified according to sex (male and female) and age category (U16, U18, U20, and senior). To verify the existence of RAE, the Chi-Square tests (χ2) were performed, and the effect sizes (ω) were calculated for each of the tests. We also calculated odds ratio (ORs) and 95% confidence intervals, setting the level of significance to 0.05. As post hoc analysis, multiple comparisons between quarters were performed, with Bonferroni's correction (significance level set to 0.0083 in these cases).Results:
The results indicated an uneven distribution of birthdates for male water polo athletes (χ2 = 12.257; p = 0.007; ω = 0.173), with an overrepresentation of athletes born in the first (p < 0.006) and second (p < 0.002) quarters. When sex and age category were considered, male athletes presented uneven distributions in U20 (χ2 = 10.747; p = 0.013; ω = 0.345) and senior (χ2= 12.614; p = 0.006; ω = 0.383) categories. In females, no differences were found.Conclusion:
We conclude that there is an uneven distribution of birthdates in male Brazilian water polo athletes, indicating the presence of RAE in this group.Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
LILACS
Asunto principal:
Aptitud
/
Factores de Edad
/
Atletas
/
Deportes Acuáticos
Tipo de estudio:
Observational_studies
Límite:
Humans
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Motriz (Online)
Asunto de la revista:
EducaÆo F¡sica e Treinamento
/
Medicina Esportiva
/
Medicina F¡sica e ReabilitaÆo
Año:
2022
Tipo del documento:
Article
País de afiliación:
Brasil
Pais de publicación:
Brasil