| All, N = 136 | HBM, N = 86 | Relatives without HBM, N = 50 | p value for difference |
---|---|---|---|---|
 | N (%) |  | ||
Female gender | 98 (72.1) | 73 (84.9) | 25 (50.0) | < 0.001 |
 Postmenopausalb | 75 (76.5) | 59 (80.8) | 16 (64.0) | 0.087 |
 Menopause transition during the follow-up period | 11 (11.2) | 6 (8.2) | 5 (20.0) | 0.177 |
 History of HRT usef | 49 (50.0) | 39 (53.4) | 10 (40.0) | 0.508 |
History of smokingf | 66 (48.9) | 42 (49.4) | 24 (48.0) | 0.874 |
Physical activity categoryb | ||||
 Low | 14 (10.7) | 9 (11.0) | 5 (10.2) |  |
 Medium | 46 (35.1) | 26 (31.7) | 20 (40.8) | 0.567 |
 High | 71 (54.2) | 47 (57.3) | 24 (49.0) |  |
Education categoryf | ||||
 Up to GCSE/O level | 55 (42.0) | 42 (50.0) | 13 (27.7) |  |
 A level or equivalent | 26 (19.9) | 17 (20.2) | 9 (19.2) | 0.019 |
 Degree or equivalent | 50 (38.2) | 25 (29.8) | 25 (53.2) |  |
 | Mean (SD) |  | ||
Age, yearsb | 59.2 (10.2) | 60.2 (9.9) | 57.5 (10.6) | 0.136 |
Height, cmb | 167.8 (9.6) | 166.1 (8.4) | 170.8 (10.8) | 0.005 |
Weight, kgb | 81.5 (17.0) | 82.1 (16.0) | 80.6 (18.7) | 0.619 |
BMI (kg/m2)b | 28.9 (5.5) | 29.8 (5.6) | 27.5 (5.1) | 0.017 |
TBFM (kg)f | 31.6 (10.6) | 33.0 (10.9) | 29.1 (9.5) | 0.035 |
TH-BMD, g/cm2 b | 1.143 (0.182) | 1.242 (0.129) | 0.976 (0.131) | < 0.001 |
L1-BMD, g/cm2 b | 1.255 (0.215) | 1.377 (0.149) | 1.049 (0.141) | < 0.001 |
Follow-up time, years | 8.2 (1.0) | 8.2 (0.7) | 8.2 (1.4) | 0.817 |