Table 3. Physical fitness in adolescence and subsequent Crohn's disease risk at least 15 years after the conscription assessment.
| Characteristics | Events/N | Unadjusted HR (95% CI) | Adjusted* HR (95% CI) |
|---|---|---|---|
| Physical fitness | |||
| Lowest fifth | 150/38,078 | 1.53 (1.20–1.96) | 1.31 (1.00–1.70) |
| 2nd fifth | 151/48,961 | 1.19 (0.93–1.52) | 1.09 (0.84–1.40) |
| 3rd fifth | 140/42,527 | 1.27 (0.99–1.64) | 1.19 (0.92–1.53) |
| 4th fifth | 169/62,245 | 1.05 (0.83–1.34) | 1.03 (0.81–1.32) |
| Highest fifth | 110/42,849 | Reference | Reference |
BMI, body mass index; CI, confidence interval; ESR, erythrocyte sedimentation rate; EVF, erythrocyte volume fraction; HR, hazard ratio; N, number; SEI, socioeconomic index.
Adjusted* for BMI, ESR, EVF, height, parental SEI, appendicitis before age 20 years, region of residence, and year of birth.