Table 2.
Logistic regression analyses of potential risk factors for ED in elderly men.
| β | SE | Wals | P ∗ | OR | 95% CI for OR | ||
|---|---|---|---|---|---|---|---|
| Lower | Upper | ||||||
| Constant | 9.617 | 2.519 | 14.576 | <0.001 | |||
| Age | -0.151 | 0.061 | 6.132 | 0.013 | 0.860 | 0.763 | 0.969 |
| BMI | -0.077 | 0.044 | 3.016 | 0.082 | 0.926 | 0.848 | 1.010 |
| Income/year | |||||||
| >10,000 CNY | -0.143 | 0.441 | 0.105 | 0.746 | 0.867 | 0.365 | 2.057 |
| ≤10,000 CNY | 1.000 | ||||||
| Education | |||||||
| Primary school | 1.000 | ||||||
| Middle school | -0.139 | 0.465 | 0.089 | 0.766 | 0.871 | 0.350 | 2.167 |
| University | -0.209 | 0.518 | 0.162 | 0.687 | 0.812 | 0.294 | 2.240 |
| Diabetes | |||||||
| Yes | 1.000 | ||||||
| No | -1.109 | 0.355 | 9.782 | 0.002 | 0.330 | 0.165 | 0.661 |
| Regular intercourse | |||||||
| Yes | 1.000 | ||||||
| No | 1.229 | 0.306 | 16.074 | <0.001 | 3.416 | 1.874 | 6.229 |
| Spouse age | 0.029 | 0.056 | 0.269 | 0.604 | 1.029 | 0.923 | 1.147 |
| TFI | -0.098 | 0.035 | 7.944 | 0.005 | 0.906 | 0.846 | 0.970 |
∗Independent risks of ED were assessed by logistic regression analysis. ED: erectile dysfunction; BMI: body mass index; TFI: Tilburg Frailty Indicator.