Level* | Odds ratio | Frequency | Odds Ratio |
Beginner | 1.00 | <1×/month | 1.00 |
Intermediate | 2.10 | 1 a 2×/month | 1.38 |
Advanced | 8.00 | 3 a 4×/month | 3.13 |
Professional | 11.07 | >4×/month | 6.27 |