Skip to main content
Fig. 1 | Sports Medicine - Open

Fig. 1

From: A Cross-Sectional Study Assessing the Contributions of Body Fat Mass and Fat-Free Mass to Body Mass Index Scores in Male Youth Rugby Players

Fig. 1

Changes in body mass index (BMI), body fat mass index (BFMI), and fat-free mass index (FFMI) between age categories (U11, under 11 years; U13, under 13 years; U15, under 15 years) in normal-weight (NW) and overweight and obese (OW/OB) young male rugby players. Notes: data presented as mean ± SD. *p < 0.05 and ***p < 0.001 significant differences from previous age category. $p < 0.001 significant differences between U11 and U15. BMI (a): main effect for category—p < 0.001, η2p 0.261; main effect for group—p < 0.001, η2p 0.578; interaction category × group—not significant. BFMI (b): main effect for category—p < 0.001, η2p 0.081; main effect for group—p < 0.001, η2p 0.531; interaction category × group—p = 0.02, η2p 0.010. FFMI (c): main effect for category—p < 0.001, η2p 0.363; main effect for group—p < 0.001, η2p 0.475; interaction category × group—not significant

Back to article page