This research investigated patterns of the use of dietary supplement and doping awareness among high-ranked judoists from 2 countries. Korean (70 men and 31 women) and Japanese (37 men and 34 women) national judo team members were divided into 2 groups (high and low competitive performance levels) according to their international and national rankings. Fifty-nine percent of Korean and 61% of Japanese judoists consumed dietary supplements. Eighty-eight percent of high- and 51% of low-competitive-performance-level Korean judoists consumed dietary supplements. Sixty-eight percent of high- and 57% of low-competitiveperformance- level Japanese judoists consumed dietary supplements. Oriental supplements (34%), vitamins (23%), and protein powder (12%) were the most commonly consumed dietary supplements in Korean judoists. Vitamins (45%), protein powder (33%), and minerals (15%) were the most commonly consumed dietary supplements in Japanese judoists. Thirty-eight percent of judoists from both countries had not received any proper education about antidoping, and 44% of judoists from both countries had not received knowledge of antidoping legislation. There was a significant difference in education about antidoping between high and low competitive-performance levels of Korean judoists (p < .001). Korean judoists received significantly less antidoping education than Japanese judoists (p < .001). The associations for antidoping education and knowledge of antidoping legislation with the use of dietary supplements were 3.46 (95% CI = 1.31–9.12) and 1.63 (95% CI = 0.71–3.76), respectively. Our findings showed that use of dietary supplements in judoists from both countries was increased after experiencing antidoping education.
Jongkyu Kim, Namju Lee, Jangwon Lee, Sung-sook Jung, Sung-ki Kang and Jong-dae Yoon
Matthew A. Masucci
methods, points would be allocated on the basis of age, level of antidoping education one has received, differentiation due to financial resources, and the level of sport-medicine support an athlete receives. Athletes caught using illegal substances would be scored and the rules applied differentially
Nikos Ntoumanis, Vassilis Barkoukis, Daniel F. Gucciardi and Derwin King Chung Chan
use, and by examining behaviors and processes (direct and indirect) by which the social environment impacts on athletes’ intentions and decisions to engage or not in doping. Such findings are also novel. This project serves as the basis for developing antidoping education programs for coaches (who are