Table 2 Factor analysis for KD (F – factor structure; Expl.Var. – explained variance; Prp.Totl – total percentage of the explained variance).
F1 F2 F3 F4 F5 F6 F7
1. Caffeine is considered to be doping if its concentration in urine exceeds a certain level. .86 -.05 .11 -.09 .08 .06 -.03
2. Erythropoietin (EPO) is a doping substance used almost exclusively in strength-and-power sports (e.g., weightlifting). -.06 -.08 .13 .03 .03 .04 .82
3. If sample A is positive for doping, an athlete is entitled to ask for another sampling. .15 .85 -.13 .00 .04 .05 -.02
4. Doping control officers should notify athletes of their testing intentions a few hours prior to any testing. .10 .28 -.29 .06 .15 .54 .01
5. If an athlete has an out-of-competition doping control, four weeks should elapse before the next doping control. -.01 -.22 .06 .07 -.22 .81 -.01
6. If a doping control officer does not provide valid proof of identity an athlete can refuse to participate in the testing. .24 .26 .10 .02 .24 .62 .09
7. Anabolic steroids used among female athletes have neither positive nor negative effects. .82 -.05 -.03 .28 -.09 .16 -.13
8. Diuretics are prohibited substances in sport. -.17 -.10 .03 .82 -.12 .25 -.11
9. In the case of asthma, I can use diuretics. -.01 -.26 .04 -.13 .67 -.17 .26
10. A “masking agent” is someone who helps an athlete hide their use of doping and is therefore equally responsible for doping offenses. -.06 .22 .17 -.06 .69 .18 -.29
11. EPO is detected in blood samples. .45 .17 -.12 -.06 .27 -.03 .36
12. A person caught with material evidence of EPO (for example, ampules containing EPO) can be charged as a doping-offender. .42 .34 .03 -.01 .28 .34 .28
13. The use of amphetamines has been related to several cases of death in sport due to cardiovascular failure. .15 -.08 .80 .11 .04 -.01 -.08
14. The use of amphetamines by women is related to male-like body appearance changes. .31 .06 .09 .72 .20 -.15 .15
15. The purchase of the nutritional supplement from the authorized dealer is the only proper guarantee that the supplement does not contain doping agents. -.14 .76 .00 -.04 .02 -.03 -.11
16. Synthetic testosterone increases the quantity of erythrocytes and is therefore common in endurance sports. -.11 .05 .77 -.03 .09 .01 .30
17. The use of testosterone derivates by women is related to male-like body appearance changes. -.01 .58 .16 .00 -.13 .23 .43
18. When an athlete reports undergoing official medical treatment they cannot be tested for doping. .24 .03 -.04 .33 .64 .09 .08
Expl.Var 2.13 2.12 1.47 1.44 1.71 1.70 1.40
Prp.Totl .18 .11 .08 .08 .09 .09 .08