Table 2.
Multiple linear regression analysis between periodontitis severity and carotid intima-media thickness in military young adults.
| Crude model | Model 1 | Model 2 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| r | β | 95% CI | p value | r | β | 95% CI | p value | r | β | 95% CI | p value | |
| Periodontitis | ||||||||||||
| Stage I | 0.328 | 0.066 | 0.028–0.104 | 0.001 | 0.374 | 0.066 | 0.025–0.107 | 0.002 | 0.374 | 0.066 | 0.025–0.107 | 0.002 |
| Stage II | 0.089 | 0.056–0.122 | < 0.001 | 0.085 | 0.050–0.120 | < 0.001 | 0.085 | 0.049–0.120 | < 0.001 | |||
| Stage III | 0.111 | 0.071–0.150 | < 0.001 | 0.107 | 0.065–0.150 | < 0.001 | 0.107 | 0.065–0.150 | < 0.001 | |||
| p value for trend | < 0.001 | < 0.001 | < 0.001 | |||||||||
| Waist circumference | 0.100 | 0.001 | 0.000–0.003 | 0.02 | − 0.001 | − 0.002–0.001 | 0.51 | − 0.001 | − 0.003–0.002 | 0.66 | ||
| Systolic blood pressure | 0.090 | 0.001 | 0.000–0.002 | 0.04 | 0.000 | − 0.001–0.001 | 0.51 | 0.000 | − 0.001–0.001 | 0.53 | ||
| Diastolic blood pressure | 0.126 | 0.001 | 0.000–0.002 | 0.005 | 0.001 | − 0.001–0.002 | 0.48 | 0.000 | − 0.001–0.002 | 0.48 | ||
| Total cholesterol | 0.175 | 0.001 | 0.0–0.001 | < 0.001 | 0.001 | 0.000–0.003 | 0.008 | 0.001 | 0.000–0.003 | 0.008 | ||
| LDL-C | 0.100 | 0.000 | 0.000–0.001 | 0.02 | − 0.001 | − 0.002–0.000 | 0.02 | − 0.001 | − 0.002–0.000 | 0.02 | ||
| HDL-C | 0.016 | 0.000 | − 0.001–0.001 | 0.72 | − 0.001 | − 0.003–0.001 | 0.16 | − 0.001 | − 0.003–0.001 | 0.17 | ||
| Triglycerides | 0.128 | 0.000 | 0.000–0.000 | 0.005 | 0.000 | 0.000–0.000 | 0.19 | 0.000 | 0.000–0.000 | 0.19 | ||
| Fasting glucose | 0.060 | 0.000 | 0.000–0.001 | 0.18 | 0.000 | − 0.001–0.000 | 0.30 | 0.000 | − 0.001–0.000 | 0.30 | ||
| Uric acid | 0.021 | 0.002 | − 0.006–0.010 | 0.64 | 0.005 | − 0.002–0.013 | 0.17 | 0.005 | − 0.002–0.013 | 0.17 | ||
| Leucocyte counts | 0.036 | 0.003 | 0.001–0.004 | 0.43 | 0.004 | 0.001–0.005 | 0.26 | 0.004 | 0.001–0.005 | 0.26 | ||
| Age | 0.097 | 0.002 | 0.000–0.004 | 0.03 | 0.001 | − 0.001–0.003 | 0.43 | 0.001 | − 0.001–0.003 | 0.43 | ||
| Men | 0.029 | − 0.014 | − 0.058–0.030 | 0.52 | − 0.004 | − 0.049–0.042 | 0.87 | − 0.004 | − 0.050–0.042 | 0.86 | ||
| Alcohol intake | 0.026 | − 0.007 | − 0.029–0.016 | 0.56 | − 0.014 | − 0.038–0.011 | 0.27 | − 0.014 | − 0.039–0.011 | 0.27 | ||
| Tobacco smoking | 0.040 | − 0.010 | − 0.034–0.013 | 0.37 | − 0.008 | − 0.033–0.017 | 0.54 | − 0.008 | − 0.033–0.018 | 0.55 | ||
| Tooth brushing frequency | 0.066 | 0.011 | − 0.004–0.026 | 0.14 | 0.004 | − 0.012–0021 | 0.60 | 0.004 | − 0.012–0.021 | 0.60 | ||
| Body mass index | 0.114 | 0.004 | 0.001–0.007 | 0.01 | 0.000 | − 0.006–0.007 | 0.95 | |||||
Data are presented as standardized β values and 95% confidence intervals (CI).
LDL-C low density lipoprotein cholesterol, HDL-C high density lipoprotein cholesterol.