Table 4 Adjusted ordinal regression models for number of natural teeth and frailty (age ≥ 50 years)
Characteristics | Frailty Phenotype | Frailty Index | ||||
|---|---|---|---|---|---|---|
Model 1 | Model 2 | Model 3 | Model 1 | Model 2 | Model 3 | |
More number of natural teeth | 0.971 (0.960–0.981) | 0.978 (0.967–0.989) | 0.981 (0.969–0.992) | 0.980 (0.974–0.986) | 0.988 (0.981–0.994) | 0.989 (0.983–0.996) |
Older | 1.066 (1.053–1.079) | 1.049 (1.035–1.063) | 1.048 (1.035–1.062) | 1.101 (1.095–1.108) | 1.066 (1.059–1.074) | 1.066 (1.059–1.073) |
Female | 1.468 (1.224–1.760) | 1.325 (1.088–1.614) | 1.349 (1.106–1.646) | 1.413 (1.293–1.543) | 1.421 (1.228–1.645) | 1.448 (1.250–1.678) |
Poor diet quality | 1.255 (1.041–1.513) | 1.253 (1.042–1.507) | 1.307 (1.089–1.568) | 1.054 (0.967–1.149) | 0.989 (0.908–1.078) | 0.999 (0.916–1.090) |
Living in rural areas | 1.332 (1.081–1.641) | 1.312 (1.068–1.611) | 1.076 (0.997–1.184) | 1.063 (0.966–1.170) | ||
Low household income | 1.247 (1.013–1.534) | 1.198 (0.970–1.478) | 1.215 (1.086–1.360) | 1.189 (1.061–1.331) | ||
Education, < 9 years | 1.538 (1.246–1.900) | 1.435 (1.159–1.777) | 1.585 (1.417–1.773) | 1.510 (1.347–1.692) | ||
Living alone | 0.998 (0.792–1.256) | 0.977 (0.775–1.233) | 1.285 (1.134–1.456) | 1.273 (1.123–1.443) | ||
No self/workplace insurance | 3.467 (2.134–5.632) | 3.452 (2.137–5.577) | 3.293 (2.616–4.144) | 3.233 (2.565–4.074) | ||
Past/current smoker | 1.345 (1.161–1.557) | 1.341 (1.156–1.555) | ||||
Frequent alcohol drinking | 0.970 (0.802–1.172) | 0.961 (0.792–1.165) | 0.778 (0.704–0.860) | 0.778 (0.704–0.860) | ||
Comorbidities, ≥ 2 | 1.363 (1.131–1.644) | 1.357 (1.127–1.635) | 6.710 (5.994–7.510) | 6.699 (5.984–7.499) | ||
Brushed after all three meals | 0.790 (0.651–0.958) | 0.842 (0.755–0.938) | ||||
Brushed before sleep | 0.912 (0.824–1.010) | |||||
Floss | 1.042 (0.804–1.352) | 0.978 (0.852–1.123) | ||||
Interdental toothbrush | 0.836 (0.637–1.097) | 0.999 (0.880–1.133) | ||||
Mouthwash | 0.793 (0.633–0.993) | 0.930 (0.826–1.047) | ||||
Electronic brush | 0.873 (0.698–1.091) | |||||
Other oral hygiene tools | 1.005 (0.838–1.206) | |||||
No oral examination | 1.115 (0.911–1.366) | 1.056 (0.945–1.181) | ||||
No prophylactic dental treatment | 1.120 (0.904–1.387) | 1.050 (0.936–1.179) | ||||