Table 2.
Uni- and multivariate analyses of risk factors for hallux rigidus, adjusted for age and sex
| Univariate | Multivariate | |||
|---|---|---|---|---|
| Variable | OR (95% CI) | p-value | OR (95% CI) | p-value |
| Age (≧65) | 1.51 (0.96–2.35) | 0.072 | ||
| Sex (female) | 1.18 (0.81–1.74) | 0.39 | ||
| BMI (≧25) | 1.49 (1.01–2.19) | *0.045 | 1.10 (0.72–1.70) | 0.66 |
| Knee osteoarthritis | 2.32 (1.59–3.40) | * < .001 | 2.08 (1.36–3.17) | * < .001 |
| Hallux valgus | 4.03 (2.75-5.91) | * < .001 | 3.96 (2.63-5.96) | * < .001 |
| Heberden's node | 1.30 (0.86–1.97) | 0.22 | ||
| Vertebral fracture | 1.49 (0.91–2.44) | 0.12 | ||
| Osteoporosis | 1.26 (0.84–1.89) | 0.27 | ||
| Hypertension | 1.24 (0.86–1.79) | 0.25 | ||
| Diabetes mellitus | 1.86 (1.04–3.33) | *0.036 | 1.87 (0.99–3.52) | 0.053 |
| Hyperlipidemia | 0.87 (0.59–1.26) | 0.45 | ||
| Gout attack | 2.83 (1.04–7.67) | *0.041 | 3.16 (1.05–9.52) | *0.041 |
| Smoking | 1.03 (0.64–1.65) | 0.91 | ||
| Alcohol | 0.91 (0.62–1.34) | 0.64 | ||
Abbreviations: OR odds ratio, CI confidence interval, BMI body mass index
*p < .05