Mental health admissions in former professional soccer players and matched population controls
| Mental health disorder | Former professional soccer players n (%) | Matched population controls n (%) | HR (95% CI) | P value* |
| Anxiety and stress related disorders | 27 (0.35) | 222 (0.96) | 0.37 (0.25 to 0.55) | <0.001 |
| Depression | 38 (0.50) | 169 (0.73) | 0.64 (0.44 to 0.92) | 0.02 |
| Drug use disorders | 24 (0.31) | 189 (0.82) | 0.39 (0.25 to 0.60) | <0.001 |
| Alcohol use disorders | 117 (1.52) | 559 (2.43) | 0.62 (0.51 to 0.76) | <0.001 |
| Bipolar and affective mood disorders | 21 (0.27) | 112 (0.49) | 0.55 (0.34 to 0.88) | 0.01 |
*Cox proportional hazard regression. All analyses fulfilled the assumption of proportional hazards.