| If a colleague coach advises you to recommend the increase of foods rich in proteins to your athletes | 0.42 | 0.01 | −0.10 |
| If other coaches recommend the increase of foods rich in proteins to their athletes | 0.53 | 0.0007 | 0.54 |
| If it would make your athletes better | 0.54 | 0.0006 | 0.46 |
| If it would ensure your team to qualify for the provincial/national championship | 0.44 | 0.006 | −0.09 |
| The information sessions held by professionals in the field | 0.51 | 0.001 | 0.44 |
| The information found in magazines, ads, journals and the Internet | 0.34 | 0.04 | −0.27 |
