Table 2. Adjusted associations of oral health status and behaviors with periodontitis (higher CPI) across age groups (n=1,911).
| Variables | ORs (95% CI) | |||
|---|---|---|---|---|
| 19–39 (yr) | 40–59 (yr) | 60+ (yr) | ||
| Tooth brushing (times per day) | ||||
| Once or none | 1.63 (0.32–8.41) | 0.98 (0.54–1.78) | 1.08 (0.65–1.54) | |
| Twice or more | 1 | 1 | 1 | |
| Use of dental flossing | ||||
| No | 2.36 (0.97–5.71) | 2.04 (1.34–3.10) | 1.86 (1.22–2.85) | |
| Yes | 1 | 1 | 1 | |
| Use of interproximal brush | ||||
| No | 1.73 (0.57–5.28) | 1.12 (0.77–1.62) | 1.18 (0.81–1.75) | |
| Yes | 1 | 1 | 1 | |
| Use of mouth rinse | ||||
| No | 0.72 (0.29–1.81) | 0.85 (0.62–1.16) | 1.26 (0.94–1.75) | |
| Yes | 1 | 1 | 1 | |
| Dental clinic visit | ||||
| No | 0.81 (0.31–2.14) | 1.05 (0.76–1.45) | 1.01 (0.73–1.40) | |
| Yes | 1 | 1 | 1 | |
| Chewing problem | ||||
| No | 1 | 1 | 1 | |
| Yes | 0.89 (0.20–3.98) | 1.48 (0.99–2.19) | 1.49 (1.08–2.07) | |
| Perceived oral health status | ||||
| Good | 1 | 1 | 1 | |
| Ordinary | 1.30 (0.30–5.83) | 2.35 (1.16–4.76) | 1.05 (0.64–1.70) | |
| Bad | 1.38 (0.35–5.51) | 3.68 (1.91–7.10) | 1.12 (0.71–1.76) | |
Bold denotes statistical significance.
CPI: Community Periodontal Index, OR: odds ratio, CI: confidence interval.