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Table 2 Sample characteristics in 2007–2008, stratified by level of physical activity

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

  Sedentary Moderately active Highly active
Women (n = 1030) 152 757 121
 Age, years; M(SD) 64.6 (9.8) 63.2 (8.8) 61.2 (8.4)
 Height, m; M(SD) 1.63 (6.81) 1.63 (6.29) 1.64 (6.96)
 Weight, kg; M(SD) 74.0 (15.7) 70.5 (12.2) 68.2 (10.3)
 Vertebral fracture (n; %) 15 (9.9) 71 (9.4) 12 (9.9)
 Smoking daily, current or previous (n; %) 91 (59.9) 447 (59.0) 80 (66.1)
 Osteoporosis, current or previous (n; %) 14 (9.2) 58 (7.7) 6 (5.0)
 Osteoporosis medication, current or previous (n; %) 9 (5.9) 57 (7.5) 6 (5.0)
 Current use of hormonesa (n; %) 11 (7.2) 57 (7.5) 9 (7.4)
 Left hip total BMD, g/cm2; M(SD) 0.906 (0.134) 0.913 (0.131) 0.903 (0.118)
Men (n = 874) 142 518 214
 Age, years; M(SD) 64.0 (10.0) 64.2 (9.1) 63.8 (8.9)
 Height, m; M(SD) 1.76 (6.03) 1.76 (6.62) 1.76 (6.55)
 Weight, kg; M(SD) 88.0 (12.8) 84.0 (11.8) 83.0 (11.6)
 Vertebral fracture (n; %) 13 (9.2) 72 (13.9) 27 (12.6)
 Smoking daily, current or previous (n; %) 105 (73.9) 388 (74.9) 133 (62.1)
 Osteoporosis, current or previous (n; %) 2 (1.4) 6 (1.2) 2 (0.9)
 Osteoporosis medication, current or previous (n; %) 0 (0.0) 10 (1.9) 2 (0.9)
 Left hip total BMD, g/cm2; M(SD) 1.030 (0.156) 1.025 (0.137) 1.044 (0.139)
  1. Values are means (M) (standard deviation [SD]) or n (percentages)
  2. aOnly women