Basic demographic, lifestyle, and biochemical characteristics by body weight categories and sex among 261 participants.

*Continuous variables with normal distributions are presented as the means±standard deviations; TG, fasting glucose and training time were skewly distributed and presented as median (interquartile range); categorical variables are presented as the number (prevalence).**Unlimited body weight (UBW): athletes in their heaviest weight class without maximum body weight limits and male athletes of wrestling with unachieved maximum weight limits; Limited body weight (LBW): all other athletes of body weight category with body weight limits.†P value for difference between two body-weight classes were calculated by using analysis of variance or logistic regression, as appropriate, with adjustment for sex.††P value for difference of technical classes was calculated by using chi-squares test.NAFLD: non-alcoholic fatty liver disease was measured by ultrasonic examination.