Table 2.
Percentage of women with fracture risk factors, by study region.
| All | Australia | Canada | Northern Europe | Southern Europe | USA | |
|---|---|---|---|---|---|---|
| Number of study sites | 17 | 1 | 1 | 4 | 4 | 7 |
| Number of women | 60,393 | 2904 | 3985 | 14,092 | 11,242 | 28,170 |
| Median age (IQR) (years) | 68 (61–75) | 65 (60–73) | 68 (62–76) | 67 (61–74) | 67 (61–74) | 68 (61–76) |
| Median BMI (IQR) (kg/m2) | 26 (23–30) | 25 (22–28) | 27 (24–31) | 26 (23–29) | 25 (22–28) | 26 (23–31) |
| Fracture since age 45 years (%) | 24 | 25 | 22 | 23 | 28 | 23 |
| Maternal hip fracture (%) | 13 | 14 | 13 | 9.6 | 15 | 14 |
| Current smoking (%) | 9.2 | 4.8 | 11 | 12 | 9.9 | 7.7 |
| Menopause age ≤45 years (%) | 15 | 9.7 | 18 | 12 | 9.7 | 18 |
| Fall in past 12 months (%) | 38 | 38 | 38 | 35 | 35 | 40 |
| Needs arms to rise from chair (%) | 34 | 28 | 38 | 32 | 30 | 38 |
| Self-rated health fair/poor (%) | 23 | 14 | 17 | 25 | 45 | 16 |
| Told had osteopenia (%) | 16 | 18 | 17 | 8.3 | 12 | 22 |
| Told had osteoporosis (%) | 22 | 21 | 27 | 16 | 32 | 21 |
| Current use of cortisone/prednisone (%) | 3.1 | 4.6 | 3.6 | 2.7 | 2.7 | 3.2 |
BMI, body mass index; IQR, interquartile range.
Note: 6% missing information on osteoporosis or osteopenia, 5% missing bone density exam and BMI, <5% missing other variables.