Table 7 Logistic regression analysis of odds for OS ≥2
From: Prevalence and relevant factors of halitosis in Chinese subjects: a clinical research
| Â | P | OR | 95 % CI | |
|---|---|---|---|---|
Lower Upper | ||||
Duration (years) | ||||
 < 1 | 0.014 | 1 | 1 |  |
 1–3 | 0.305 | 1.672 | 0.626 | 4.461 |
 > 3 | 0.002 | 4.728 | 1.780 | 12.559 |
 Do not know | 0.083 | 2.480 | 0.888 | 6.928 |
Rhinitis | 0.045 | Â | Â | Â |
No | Â | 1 | 1 | Â |
Yes | Â | 2.100 | 1.017 | 4.335 |
Thickness of tongue coating | ||||
 0 | 0.001 | 1 | 1 |  |
 1 | 0.763 | 0.822 | 0.232 | 2.922 |
 2 | 0.107 | 3.034 | 0.788 | 11.682 |
 3 | 0.034 | 4.358 | 1.116 | 17.021 |
CPI score | ||||
 0 | < 0.001 | 1 | 1 |  |
 1 | 0.449 | 2.065 | 0.316 | 13.496 |
 2 | 0.020 | 9.122 | 1.418 | 55.676 |
 3 | 0.005 | 29.611 | 2.746 | 319.331 |
 4 | 0.162 | 11.911 | 0.371 | 382.273 |