Table III.
General characteristics of study participants in the osteoporosis group and the control group
| Variable | Osteoporosis (n = 631) | Control (n = 636) | p-value |
|---|---|---|---|
| Mean age, yrs (sd) | 68.8 (16.5) | 69.6 (17.3) | 0.400 |
| Smoking, n (%) | 41 (6.5) | 49 (7.7) | 0.403 |
| Alcohol drinking, n (%) | 78 (12.3) | 86 (13.5) | 0.538 |
| Mean BMI, kg/m2 (sd) | 24.4 (5.9) | 23.3 (5.6) | 0.001* |
| Mean WC, cm (sd) | 86.5 (16.1) | 84.2 (15.6) | 0.010* |
| Mean YSM, yrs (sd) | 10.52 (5.34) | 11.03 (5.15) | 0.084 |
| Mean lumbar BMD, g/cm2 (sd) | 0.91 (0.14) | 1.06 (0.13) | < 0.001* |
| Mean femoral BMD, g/cm2 (sd) | 0.81 (0.10) | 0.97 (0.11) | < 0.001* |
| Mean T-score (sd) | |||
| Femoral neck | -2.75 (0.64) | 0.01 (0.80) | < 0.001* |
| Total femoral | -1.50 (1.01) | 0.02 (0.84) | < 0.001* |
| Lumbar spine | -0.72 (0.93) | 0.43 (1.02) | < 0.001* |
| Calcium supplementation, n (%) | 196 (31.1) | 182 (28.6) | 0.341 |
*
Statistically significant
BMI, body mass index; WC, waist circumference; YSM, years since menopause; BMD, bone mineral density