Table 3.
Logistic regression analyses for elevated AST.
| Participants | Variables | Crude OR (95%CI) | Adjusted OR (95%CI) | |
|---|---|---|---|---|
| Men | Serum IgG antibody titers against P. gingivalis | The 1st tertile | Reference | Reference |
| The 2nd tertile | 1.45 (0.54–3.89) | 1.63 (0.57–4.63) | ||
| The 3rd tertile | 2.14 (0.84–5.49) | 2.29 (0.86–6.10) | ||
| Age | 1.04 (0.99–1.09) | 1.04 (0.98–1.09) | ||
| Number of teeth | 1.00 (0.96–1.05) | 1.02 (0.97–1.08) | ||
| Hypertension | 3.65 (1.34–9.93)∗ | 3.43 (1.21–9.75)∗ | ||
| Obesity | 1.04 (0.48–2.23) | 1.08 (0.47–2.46) | ||
| Diabetes | 0.81 (0.38–1.71) | 0.96 (0.43–2.15) | ||
| Smoking habit | 0.55 (0.26–1.18) | 0.73 (0.32–1.66) | ||
| Drinking habit | 0.75 (0.35–1.61) | 0.85 (0.36–1.99) | ||
| Women | Serum IgG antibody titers against P. gingivalis | The 1st tertile | Reference | Reference |
| The 2nd tertile | 1.02 (0.36–2.90) | 1.11 (0.38–3.23) | ||
| The 3rd tertile | 1.02 (0.36–2.90) | 1.07 (0.37–3.11) | ||
| Age | 0.98 (0.93–1.02) | 0.98 (0.93–1.03) | ||
| Number of teeth | 1.03 (0.98–1.09) | 1.03 (0.97–1.09) | ||
| Hypertension | 1.69 (0.64–4.48) | 2.09 (0.74–5.88) | ||
| Obesity | 1.07 (0.45–2.54) | 0.88 (0.36–2.19) | ||
| Diabetes | 0.71 (0.27–1.89) | 0.68 (0.25–1.84) | ||
| Drinking habit | 1.75 (0.46–6.64) | 1.64 (0.41–6.54) |
Smoking habit as a variable was excluded from the analysis in women because of small number of smokers. AST, aspartate aminotransferase. Elevated AST level was defined as >30 IU/l. OR, odds ratio; 95% CI, confidence interval; ∗p < 0.05.