Table 2 Description of the study population at baseline (1992–1994) discrete variables (n = 759)
Variable | Risk factor present | Percentage |
|---|---|---|
Osteoporosis (T < -2.5) | 155 | 20.4 |
Osteopenia (-2.5 ≥ T < -1.0)) | 306 | 40.3 |
Normal BMD (T ≥ -1.0) | 298 | 39.3 |
Fracture history after menopause | 130 | 17.1 |
Use of birth control pill >5 years | 132 | 17.4 |
Use of hormones >5 years | 48 | 6.3 |
Ovariectomy | 116 | 15.3 |
Hysterectomy | 287 | 37.8 |
Menopause before the age of 45 | 255 | 33.6 |
Perimenopausal complaints | 226 | 29.8 |
Family history of osteoporosis | 96 | 12.6 |
Coffee intake ≥ 5 per day | 379 | 49.9 |
Alcohol intake ≥ 5 per week | 109 | 14.4 |
Smoking (past) | 157 | 20.7 |
Smoking (present) | 200 | 26.4 |
Sports (present) | 469 | 61.8 |
Sports (past) | 455 | 59.9 |
Occupational exercise in the past | ||
Mild | 122 | 16.1 |
Moderate | 610 | 80.4 |
High | 24 | 3.2 |