| I. Questions about use of performance enhancing drugs |
| 1. Are you using performance enhancing drugs? Yes / No |
| 2. If you answered “yes”, what are you using? Stimulant, anabolic agent (anabolic androgenic steroid, β2 stimulant, and growth hormone), erythropoietin, diuretics, and others |
| 3. If you are using an anabolic agent, what agent is it? |
| 4. If you are using an anabolic agent, what is your objective? |
| 5. If you are using an anabolic agent, what are its effects? |
| 6. If you are using an anabolic agent, do you have any side effecｔs? |
| 7. If you used a performance-enhancing drug, what is it? |
| II. Questions about attitudes toward doping and medicines in daily life as athletes. |
| 1. What do you think about doping? Good / Bad / No answer |
| 2. Do you mind using medicines, for example, when you catch cold? |
| III. If you could use a drug that would not be detected by doping control and would win a gold medal, would you do so even if your life span would only be 5 years thereafter? |
| 1. Would you use the drug? Yes / No |
| 2. If you have an opinion about this, write it here. |
| IV. Questions about dietary supplementation. |
| 1. Are you using dietary supplements? |
| 2. If “yes” is it any of the following: protein, amino acids, iron, creatine, and supplement compounded with anabolic agent, supplement with stimulant? |
| 3. If you answered yes, what dietary supplement are you using? |
| 4. If you answered yes, what is the objective? |
| 5. If you answered yes, what are the effects of the supplement? |
| 6. If you answered yes, have you had any side effects? |
| 7. Can you tell us what dietary supplementation you might use? |
| V. Can you tell me what you might eat or drink before you play a game? |
