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Table 2 Associations of demographic factors and physical activity with bone marrow lesions in young adults

From: Correlates of knee bone marrow lesions in younger adults

  Univariable PR (95 % CI) Multivariablea PR (95 % CI)
Age (per year) 1.09 (1.00, 1.20) 1.10 (1.00, 1.20)
Sex (females vs males) 1.24 (0.76, 2.02) 1.26 (0.76, 2.08)
BMI (per kg/m2) 1.00 (0.94, 1.05) 0.99 (0.93, 1.05)
Knee injury (yes vs no) 1.50 (0.87, 2.60) 1.49 (0.86, 2.58)
Total physical activity (per hour/week) 1.00 (0.99, 1.01) 1.00 (0.99, 1.01)
Total vigorous PA (per hour/week) 1.01 (1.00, 1.02) 1.01 (0.99, 1.02)
Total moderate PA (per hour/week) 0.94 (0.88, 0.99) 0.93 (0.87, 0.99)
  1. Bold denotes statistical significance at P <0.05
  2. PR prevalence ratio, 95 % CI 95 % confidence interval, BMI body mass index, PA physical activity
  3. aAdjusted for age, sex, BMI, and knee injury