Fig. 2
From: Chronotype characteristics of professional athletes in China: a comprehensive descriptive study
Chronotype characteristics of athletes across different demographic and sport-related factors (including differences in gender (A), age-related correlations (B), distinctions between different sports (C), and variations among different sports levels (D). *p < .050, **p < .010, ***p < .001. Dotted lines in the scatter plots represent the 95% confidence intervals for linear trends)