| Practise | Total | P value | |||
High | Moderate | Low | ||||
Health | High | 15 | 31 | 0 | 46 | <0.001 |
Moderate | 0 | 22 | 33 | 55 | ||
Low | 0 | 0 | 11 | 11 | ||
Total | 15 | 53 | 44 | 112 |