Table 3.
Results of separate backward regression models for women and men
| Risk factors | Males OR (95% CI) | P value | Females OR (95% CI) | P value |
| Age | 1.06 (1.0 to 1.12) | <0.035 | 1.05 (0.99,1.12) | 0.009 |
| Waist circumference | — | — | 1.09 (1.03 to 1.16) | 0.004 |
| Hypertension | 3.58 (0.96 to 13.4) | 0.05 | 9.3 (1.11 to 77.6) | 0.005 |
| Obesity (BMI ≥30) | 0.14 (0.04 to 0.52) | 0.003 | ||
| Respiratory disease | — | — | 4.62 (1.11 to 19.3) | 0.035 |
| Hypercholesterolaemia | 3.51 (1.34 to 9.20) | 0.01 | ||
| NSAID consumption | 3.36 (1.19 to 9.46) | 0.02 | — | — |
| Difficulty on stairs | 2.09 (1.77 to 5.71) | 0.015 |
The risk factors included in the final model of the backward conditional method by logistic regression analysis are presented. Values are OR and 95% CI.
BMI, body mass index; NSAID, Nonsteroidal anti-inflammatory drugs.