Table 2.
Sample characteristics in 2007–2008, stratified by level of physical activity
| 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) |
Values are means (M) (standard deviation [SD]) or n (percentages)
aOnly women