The correlation of iodine concentration in urine with muscle mass and reaction speed of young adults

The median concentration of iodine in urine was 120.77 μg/L, and the estimated iodine intake was 624.66 μg. The median muscle mass was 32.55%, and the median speed of muscle reaction 274.5 ms. A significant, negative and weak correlation between iodine concentration in urine and speed of muscle reaction was observed (Rho = -0.289). Other associations of urine iodine concentration and muscle mass percentage, muscle tissue and reaction speed were not significant Conclusion: The estimated dietary iodine intake was higher than the reference values of the World Health Organization. The urinary iodine concentration was within the reference values. Urinary iodine concentration was not related to muscle mass. Urinary iodine concentration in urine was significantly, negatively and weakly related to reaction speed.