Journal of science and medicine in sport · 2026
Exploring the presence of Relative Energy Deficiency in Sport (REDs) risk factors in talented Polish youth female football players: A single-team study using the IOC REDs CAT2 tool.
СтатьяНазвание и аннотация: Перевод в очереди
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Grygorowicz Monika, Maksym-Krzesa Sylwia, Zakliczyńska Helena, Ussorowska-Krokosz Anna, Wiernicka Martyna, Wiernicka Marzena
Аннотация
OBJECTIVES: To explore Relative Energy Deficiency in Sport (REDs)-related risk in talented youth female football players in Poland using the International Olympic Committee (IOC) REDs Clinical Assessment Tool version 2 (CAT2), and to examine associations with injury-related outcomes.
DESIGN: Observational cross-sectional study.
METHODS: Twenty-nine talented U-17, U-15, and Talent Pro female football players from the national talent pathway were assessed. REDs-related risk was classified using the IOC REDs CAT2 framework, including clinical history, menstrual status, injury history, bone health assessed by DXA, and selected biochemical markers. Athletes were categorised using the traffic-light system. Associations between REDs indicators and injury history were examined using Fisher's exact test. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated using the Haldane-Anscombe correction.
RESULTS: Thirteen athletes (44.8%) were classified as having mild REDs-related risk. Stress fracture history and disordered eating attitudes were significantly associated with mild REDs-related risk (p = 0.001; OR 21.0, 95% CI 1.12-395.2). Primary and secondary REDs indicators were more prevalent amongst athletes classified as at risk. Given the exploratory design, small sample size, and wide CIs, ORs were interpreted descriptively.
SUMMARY: In this selected elite youth female football cohort, nearly half demonstrated indicators consistent with mild REDs-related risk. These findings support the value of early screening and targeted prevention strategies in women's football. However, the cross-sectional design, small sample size, potential selection bias, and limited statistical power require cautious interpretation and preclude causal conclusions.
DESIGN: Observational cross-sectional study.
METHODS: Twenty-nine talented U-17, U-15, and Talent Pro female football players from the national talent pathway were assessed. REDs-related risk was classified using the IOC REDs CAT2 framework, including clinical history, menstrual status, injury history, bone health assessed by DXA, and selected biochemical markers. Athletes were categorised using the traffic-light system. Associations between REDs indicators and injury history were examined using Fisher's exact test. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated using the Haldane-Anscombe correction.
RESULTS: Thirteen athletes (44.8%) were classified as having mild REDs-related risk. Stress fracture history and disordered eating attitudes were significantly associated with mild REDs-related risk (p = 0.001; OR 21.0, 95% CI 1.12-395.2). Primary and secondary REDs indicators were more prevalent amongst athletes classified as at risk. Given the exploratory design, small sample size, and wide CIs, ORs were interpreted descriptively.
SUMMARY: In this selected elite youth female football cohort, nearly half demonstrated indicators consistent with mild REDs-related risk. These findings support the value of early screening and targeted prevention strategies in women's football. However, the cross-sectional design, small sample size, potential selection bias, and limited statistical power require cautious interpretation and preclude causal conclusions.