Table 3.
Risk of airflow obstruction according to the number or pairs of natural teeth
| Male | Female | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Total number of natural teeth | <20 teeth | 20–27 teeth | 28 teeth | <20 teeth | 20–27 teeth | 28 teeth |
| Model 1a | 3.12 (1.62–6.01) | 2.47 (1.54–3.94) | 1 (Ref) | 1.01 (0.46–2.20) | 1.60 (0.78–3.27) | 1 (Ref) |
| Model 2b | 2.80 (1.44–5.44) | 2.40 (1.48–3.89) | 1 (Ref) | 0.94 (0.40–2.24) | 1.54 (0.77–3.06) | 1 (Ref) |
| Model 3c | 4.18 (2.06–8.49) | 3.21 (1.85–5.58) | 1 (Ref) | 0.54 (0.17–1.73) | 0.99 (0.37–2.65) | 1 (Ref) |
|
| ||||||
| Total pairs of natural teeth | <10 pairs | 10–13 pairs | 14 pairs | <10 pairs | 10–13 pairs | 14 pairs |
|
| ||||||
| Model 1a | 3.33 (1.82–6.05) | 2.28 (1.44–3.62) | 1 (Ref) | 1.17 (0.56–2.47) | 1.65 (0.80–3.39) | 1 (Ref) |
| Model 2b | 3.00 (1.61–5.59) | 2.24 (1.40–3.60) | 1 (Ref) | 1.14 (0.55–2.35) | 1.58 (0.78–3.18) | 1 (Ref) |
| Model 3c | 4.74 (2.34–9.62) | 3.08 (1.79–5.32) | 1 (Ref) | 0.66 (0.23–1.93) | 1.03 (0.38–2.77) | 1 (Ref) |
Notes: Results represent odds ratio (95% confidence interval). The statistically significant values are shown in bold. Adjusted for
a
age;
b
variables in model 1 plus smoking, drinking, exercise, income, education, and BMI;
c
variables in model 2 plus periodontitis, number of tooth brushings per day, and use of secondary oral products.
Abbreviation: BMI, body mass index.