Table 6.
Multiple variate binary logistic regression analysis – adjusted model for periodontitis, obesity and confounding factors (age, sex, smoking and usual reason for dental visit)
| Characteristic | Levels | OR | 95% CI (upper) | 95% CI (lower) | P-value |
|---|---|---|---|---|---|
| BMI | Normal weight | 1 (Reference) | |||
| Overweight/obese | 1.2 | 0.9 | 1.5 | 0.09 | |
| Age | 15–44 | 1 (Reference) | |||
| 4–59 | 1.2 | 0.9 | 1.4 | < 0.001 | |
| 60+ | 2.5 | 1.7 | 3.6 | < 0.001 | |
| Sex | Female | 1 (Reference) | |||
| Male | 1.7 | 1.3 | 2.1 | < 0.01 | |
| Smoking | Never | 1 (Reference) | |||
| Current | 1.8 | 1.2 | 2.6 | < 0.001 | |
| Former | 1.3 | 1.0 | 1.7 | < 0.05 | |
| Usual reason for dental visit | Check-up | 1 (Reference) | – | – | – |
| Problem | 1.6 | 1.2 | 2.0 | < 0.05 |
BMI, body mass index; CI, confidence interval; OR, odds ratio.