Table 1. Demographics of participants.
| Characteristics | Total N = 12175 (100%) | T-score# > -2.5 N = 7148(58.7%) | T-score# ≤ -2.5 N = 5027(41.3%) | P value |
|---|---|---|---|---|
| Age (years) | 66.0±9.6 | 63.3±8.9 | 69.8±9.4 | <0.001 |
| Height (cm) | 153.9±5.8 | 155.1±5.4 | 152.1±5.8 | <0.001 |
| Weight (kg) | 56.9±8.8 | 59.0±8.5 | 53.9±8.5 | <0.001 |
| Body mass index (kg/m2) | 24.0±3.5 | 24.5±3.4 | 23.3±3.5 | <0.001 |
| Age of menopause (years) | 49.3±4.5 | 49.5±4.5 | 49.0±4.5 | <0.001 |
| BMD (T-score) | ||||
| Lumbar spine | -1.8±1.3 | -1.1±1.0 | -2.8±0.8 | <0.001 |
| Femoral neck | -1.8±1.1 | -1.2±0.8 | -2.6±0.8 | <0.001 |
| Total hip | -1.0±1.1 | -0.4±0.9 | -1.8±0.9 | <0.001 |
| Other risk factors*in FRAX | n/N @ (%) | |||
| Parent Fractured Hip | 840/7826(10.7) | 501/4630(10.8) | 339/3196(10.6) | 0.795 |
| Previous Fracture | 1294/8624(15.0) | 529/4954(10.7) | 765/3670(20.8) | <0.001 |
| Glucocorticoids | 576/8507(6.8) | 313/4918(6.4) | 263/3589(7.3) | 0.088 |
| Rheumatoid arthritis | 631/8494(7.4) | 365/4891(7.5) | 266/3603(7.4) | 0.900 |
| Secondary osteoporosis | 727/8617(8.4) | 438/4951(8.8) | 289/3666(7.9) | 0.117 |
| Current smoking | 111/8730(1.3) | 56/5013(1.1) | 55/3717(1.5) | 0.147 |
| Alcohol 3 or more units/day | 59/8671(0.7) | 34/4978(0.7) | 25/3693(0.7) | 0.973 |
# Lowest T-score among lumbar spine, femoral neck and total hip
* Definition same as those of FRAX
@ n = answered yes in the questionnaire,
N = total number who answered the questionnaire