Table 1 General characteristics of the study subjects (n = 2,073)
Variables | Mean ± SD |
|---|---|
Age(year) | 47.1 ± 4.8 |
Height(cm) | 169.5 ± 5.4 |
Weight(kg) | 69.6 ± 8.4 |
BMI(kg/m2) | 24.2 ± 2.5 |
Body fat(%) | 21.3 ± 4.2 |
Waist hip ratio | 0.9 ± 0.1 |
Bone mineral density (g/cm2) | 0.60 ± 0.09 |
Education level✝ (year) | |
≤ 12 | 884 (42.6) |
>12 | 1,189 (57.4) |
Smoking status✝ | |
never-smoker | 473 (22.8) |
ever-smoker | 1,600 (77.2) |
Drinking status✝ | |
never-drinker | 191 (9.2) |
ever-drinker | 1882 (90.8) |
Physical activity✝ (time/week) | |
≤ 2 | 1,038 (50.1) |
≥ 3 | 1,035 (49.9) |
Bone mineral density grouping(n(%))* | |
normal group | 1,539 (74.2) |
osteopenia | 472 (22.8) |
osteoporosis | 62 (3.0) |