Table 1.
Anthropometric and lifestyle data compared between women with or without bound feet
| Variable | Bound feet (N=172) | Controls (N=82) | Difference (%) | p Value |
|---|---|---|---|---|
| Anthropometric | ||||
| Age (years) | 74.6±3.5 | 74.5±4.0 | 0.20% | 0.756 |
| Weight (kg) | 46.1±7.4 | 48.7±8.9 | −5.3% | 0.017* |
| BMI (kg/m2) | 20.8±3.2 | 21.9±3.5 | −5.1% | 0.013* |
| Length of right foot (cm) | 222.7±18.4 | 254.0±7.3 | −12.3% | 0.000** |
| Width of right foot (cm) | 74.3±8.4 | 99.8±7.0 | −25.6% | 0.000** |
| Lifestyle | ||||
| YSM | 26.41±5.21 | 27.49±5.98 | 3.93% | 0.142 |
| Number of children | 7.02±2.63 | 6.21±2.13 | 13.00% | 0.007** |
| Number of subjects with previous fractures | 13/172 (7.56) | 6/82 (7.30) | 0.26%‡ | 0.846 |
| Osteoporosis (QUS-SI)† OR |
165/172 (95.93) | 52/82 (63.42) | 32.51%§ | 0.000** |
Values are mean±SD or n/N (%).
*p<0.05, **p<0.01 (unpaired t test).
†T-score set at −1.8 SD and χ2 test used for statistical analysis. ‡OR=1.036 (p>0.05). §OR=13.60 (p<0.01).
BMI, body mass index; QUS, quantitative ultrasound; SI, Stiffness Index; YSM, years since menopause.