Table 3.
Association between oral health status and COPD
| Variables | Model I† |
Model II‡ |
Model III§ |
Model IV¶ |
||||
|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Periodontal status | ||||||||
| CPI = 0 | 1 | 1 | 1 | |||||
| CPI = 1–2 | 2.240 | 1.867–2.687 | 1.345 | 1.027–1.761 | 1.045 | 0.783–1.395 | ||
| CPI = 3–4 | 2.985 | 2.368–3.762 | 2.008 | 1.573–2.562 | 1.215 | 0.894–1.651 | ||
| Number of missing teeth | 2.081 | 1.971–2.190 | 1.865 | 1.654–2.076 | 1.316 | 1.202–1.529 | ||
OR and CI were calculated using the logistic regression analysis.
Response variable: COPD (ref. no.).
CI, confidence interval; CPI, Community Periodontal Index; OR, odds ratio.
†
Explanatory variable in Model I: periodontal status.
‡
Explanatory variable in Model II: number of missing teeth.
§
Explanatory variables in Model III: periodontal status and number of missing teeth.
¶
Explanatory variables in Model IV: periodontal status, number of missing teeth, demographic factors, socioeconomic factors, health factors, and oral health factors.