| Location of complaints | Match referees | Assistant referees | ||||
| n = 44 | n = 79 | |||||
| Last matchn (%) | Last 12 monthsn (%) | Entire careern (%) | Last matchn (%) | Last 12 monthsn (%) | Entire careern (%) | |
| Head | 1 (2.3) | 1 (2.3) | 3 (6.8) | 1 (1.3) | 5 (6.3) | 5 (6.3) |
| Neck | 1 (2.3) | 2 (4.5) | 2 (4.5) | – | 6 (7.6) | 6 (7.6) |
| Low back | – | 3 (6.8) | 4 (9.1) | 1 (1.3) | 13 (16.5) | 15 (19) |
| Hip | – | 2 (4.5) | 2 (4.5) | – | 1 (1.3) | 3 (3.8) |
| Groin | – | 2 (4.5) | 3 (6.8) | 1 (1.3) | 3 (3.8) | 4 (5.1) |
| Adductors | – | 6 (13.6) | 6 (13) | – | 8 (10.1) | 8 (10.1) |
| Quadriceps | 1 (2.3) | 2 (4.5) | 3 (6.8) | 1 (1.8) | 10 (12.7) | 10 (12.7) |
| Hamstring | 1 (2.3) | 5 (11.4) | 10 (22.9) | 1 (1.3) | 12 (15.2) | 12 (15.2) |
| Knee | 3 (6.8) | 7 (15.9) | 8 (18.2) | 3 (3.8) | 17/21.5 | 17 (21.5) |
| Patellar tendon | – | 2 (4.5) | 4 (9.1) | 1 (1.3) | 7 (8.9) | 7 (8.9) |
| Calf | 2 (4.5) | 6 (15.6) | 14 (31.8) | 4 (5.1) | 14 (17.8) | 18 (22.8) |
| Achilles tendon | – | 1 (2.3) | 7 (15.9) | 2 (2.5) | 6 (7.6) | 9 (11.4) |
| Ankle | – | 4 (9.1) | 3 (6.8) | 1 (1.3) | 7 (8.9) | 7 (8.9) |
| Others* | 2 (4.5) | – | 1 (2.3) | – | – | 1 (1.3) |
*“Others” includes: shin splints, heel pain.