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Table 5 Associations between change in physical activity levels and vertebral fracture

From: A cross-sectional and 6-year follow-up study of associations between leisure time physical activity and vertebral fracture in adults

Exercise and physical exertion Vertebral fractures (n) Unadjusted OR 95% CI Adjusted for age OR 95% CI Multiple adjusted ORa 95% CI
Female (n = 636)
 Physical activity level
  Sed. unchanged 3 Reference   Reference   Reference  
  Reduced activity 6 0.87 0.21–3.67 0.79 0.18–3.34 0.81 0.18–3.62
  Increased activity 8 1.08 0.27–4.31 1.18 0.29–4.71 1.24 0.29–5.26
  Active unchanged 47 1.62 0.48–5.44 1.56 0.46–5.28 1.54 0.43–5.50
 Age (years)     1.07 1.03–1.12 1.05 1.00–1.10
 BMD left hip (100 g/cm2)       0.97 0.94–0.99
 Osteoporosis current/previous       3.61 1.06–12.31
Male (n = 495)
 Physical activity level
  Sed. unchanged 4 Reference   Reference   Reference  
  Reduced activity 14 1.62 0.50–5.25 1.58 0.48–5.18 2.05 0.57–7.42
  Increased activity 17 1.72 0.54–5.46 1.75 0.55–5.61 2.23 0.63–7.87
  Active unchanged 36 1.47 0.49–4.37 1.38 0.46–4.13 1.81 0.54–6.02
 Age (years)     1.05 1.01–1.09 1.04 1.00–1.08
 BMD left hip (100 g/cm2)       0.97 0.94–0.99
 Osteoporosis current/previous       14.09 1.13–176.20
  1. aAdjusted for age, height, weight, smoking, osteoporosis, osteoporosis medication, left hip total BMD, and use of hormones (women only)