Table 3.
Self-reported attitude about contaminated nutritional supplements (NSs) and dietary supplement third-party testing (% and N) for the total group, professionals working or not working with Olympic athletes, and sports dietitians vs. other professions.
| Working with Olympic Athletes | Profession | |||||||
|---|---|---|---|---|---|---|---|---|
| Questions | Total | Yes | No | p-Value | Sports Dietitian | Other Profession | p-Value | |
| No. (type of scale) | % (N) | % (N) | % (N) | % (N) | % (N) | |||
| Attitude | ||||||||
| 1 (L) | I would like to know what the risk of incorrect use of NSs is. | 86 (274) | 89 (128) | 83 (146) | 0.133 | 83 (49) | 86 (225) | 0.127 |
| 2 (L) | I find the idea of using a contaminated NS without knowing this unacceptable. | 89 (285) | 90 (129) | 89 (156) | 0.787 | 90 (53) | 89 (232) | 0.478 |
| 3 (L) | I would like to know what the risk is of taking a contaminated NS. | 87 (278) | 89 (128) | 85 (150) | 0.335 | 83 (49) | 88 (229) | 0.101 |
| 4 (L) | The topic of contaminated NSs is relevant to me, and therefore, it is of interest to me. | 53 (171) | 73 (105) | 38 (66) | <0.001 | 78 (46) | 48 (125) | <0.001 |
| 5 (L) | I have a clear idea what the effect is of misusing NSs. | 49 (157) | 60 (87) | 40 (70) | <0.001 | 73 (43) | 44 (114) | <0.001 |
| 6 (L) | I have a clear idea how a contaminated NS can result in a positive doping test. | 50 (159) | 67 (96) | 36 (63) | <0.001 | 71 (42) | 45 (117) | <0.001 |
| 7 (Y/N) | Do you use the NZVT list while purchasing products? * | 80 (118) | 89 (87) | 63 (31) | <0.001 | 92 (47) | 74 (71) | 0.004 |
| 8 (Y/N) | Are you satisfied with the NZVT system? * | 71 (105) | 66 (65) | 82 (40) | 0.054 | 59 (30) | 78 (75) | 0.007 |
Asterisks indicate that results are based on questions that were asked only when participants answered that they were familiar with the NZVT system (N = 147), significant differences are expressed in bold font.