a Risk factors:
- Age ≥65 years (women); ≥75 years (men)
- BMI <20 kg/m2
- Family history of osteoporosis
- Smoking (current)
- Glucocorticoid use (current)
- Early menopause
- >2 alcoholic drinks daily
- History of falls
- Rheumatoid arthritis
- History of eating disorders