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Table 6 Factors and prevalence of joint replacement in retired Great Britain’s Olympians

From: A Cross-Sectional Study of Retired Great British Olympians (Berlin 1936–Sochi 2014): Olympic Career Injuries, Joint Health in Later Life, and Reasons for Retirement from Olympic Sport

  Prevalence (%) Univariable Adjusted for age Adjusted for age + sex Adjusted for age + sex + BMI Adjusted for age + sex + BMI + injury Adjusted for age + sex + BMI + injury + career duration
Knee replacement:        
 Age (years, SD) 60.29 (15.23) 1.06 (1.03, 1.09)*** 1.06 (1.03, 1.09)*** 1.06 (1.03, 1.10)*** 1.07 (1.04, 1.11)*** 1.07 (1.04, 1.10)***
 Sex        
    Male 24/364 (6.59) 1 1 1 1 1 1
    Female 10/264 (3.79) 0.56 (0.26, 1.19) 0.97 (0.44, 2.17) 0.98 (0.43, 2.22) 1.04 (0.45, 2.39) 0.94 (0.40, 2.25)
 BMI (kg/m2) 24.77 (3.92) 1.11 (1.04, 1.19)** 1.11 (1.03, 1.19)** 1.11 (1.03, 1.19)** 1.11 (1.03, 1.19)** 1.11 (1.03, 1.20)**
 Knee injury        
    No 21/522 (4.02) 1 1 1 1 1 1
    Yes 13/98 (13.27) 3.65 (1.76, 7.56)** 5.17 (2.37, 11.29)*** 5.17 (2.37, 11.29)*** 5.04 (2.29, 11.08)*** 5.29 (2.39, 11.74)***
 Career duration (years) 10.38 (9.02) 0.98 (0.94, 1.02) 0.99 (0.95, 1.04) 0.99 (0.95, 1.04) 0.99 (0.95, 1.03) 0.99 (0.94, 1.03)
Hip replacement:        
 Age (years, SD) 60.29 (15.23) 1.08 (1.06, 1.11)*** 1.09 (1.06, 1.12)*** 1.09 (1.06, 1.12)*** 1.09 (1.06, 1.12)*** 1.09 (1.06, 1.12)***
 Sex        
    Male 30/364 (8.24) 1 1 1 1 1 1
    Female 14/264 (5.30) 0.62 (0.32, 1.20) 1.31 (0.64, 2.69) 1.33 (0.65, 2.73) 1.34 (0.65, 2.79) 1.29 (0.61, 2.72)
 BMI (kg/m2) 24.77 (3.92) 1.01 (0.94, 1.09) 1.00 (0.93, 1.09) 1.01 (0.93, 1.09) 1.01 (0.93, 1.09) 1.01 (0.93, 1.10)
 Hip injury        
    No 40/606 (6.60) 1 1 1 1 1 1
    Yes 4/13 (30.77) 6.29 (1.86, 21.32)** 8.74 (2.13, 35.89)** 8.76 (2.15, 35.66)** 8.72 (2.15, 35.43)** 8.71 (2.13, 35.63)**
 Career duration (years) 10.38 (9.02) 0.98 (0.94, 1.02) 0.99 (0.96, 1.03) 0.99 (0.95, 1.03) 0.99 (0.95, 1.03) 0.99 (0.96, 1.03)
  1. BMI body mass index
  2. *p < 0.05
  3. **p < 0.01
  4. ***p < 0.001