Table 2.
Baseline characteristics of the study population according to the prevalence of periodontitis.
| Periodontitis | p value | ||
|---|---|---|---|
| Yes (CPI ⩾ 3) | No (CPI < 3) | ||
| Unweighted (N) | 4344 | 9240 | |
| Age (years) | 53.7 ± 0.3 | 42.4 ± 0.3 | <0.001 |
| Sex (% male) a | 59.6 (0.8) | 46.8 (0.6) | <0.001 |
| BMI (kg/m2) | 24.4 ± 0.1 | 23.6 ± 0.3 | <0.001 |
| Waist circumference (cm) | 84.1 ± 0.2 | 80.5 ± 0.2 | <0.001 |
| SBP (mmHg) | 121.1 ± 0.4 | 114.5 ± 0.2 | <0.001 |
| DBP (mmHg) | 77.1 ± 0.2 | 74.7 ± 0.2 | <0.001 |
| FPG (mg/dl) | 105.4 ± 0.6 | 96.4 ± 0.3 | <0.001 |
| Total cholesterol (mg/dl) | 191.8 ± 0.7 | 186.8 ± 0.5 | <0.001 |
| Triglyceride (mg/dl) | 162.1 ± 2.9 | 128.3 ± 1.5 | <0.001 |
| HDL-cholesterol (mg/dl) | 48.2 ± 0.2 | 52.0 ± 0.2 | <0.001 |
| Current smoking (yes) a | 29.7 (0.9) | 19.2 (0.6) | <0.001 |
| Regular exercise (yes) a | 36.5 (1.0) | 41.4 (0.7) | <0.001 |
| Current drinking (yes) a | 30.8 (1.0) | 22.7 (0.6) | <0.001 |
| Hypertension (yes) a | 37.7 (1.0) | 18.7 (0.5) | <0.001 |
| Diabetes mellitus (yes) a | 15.9 (0.7) | 6.2 (0.3) | <0.001 |
| Dyslipidemia (yes) a | 14.9 (0.6) | 9.9 (0.4) | <0.001 |
| Brushing before sleep (yes) a | 38.4 (1.1) | 51.3 (0.7) | <0.001 |
| Use of dental floss (yes) a | 13.6 (0.7) | 27.2 (0.7) | <0.001 |
| Use of interdental brush (yes) a | 19.0 (0.9) | 22.4 (0.6) | 0.003 |
| Current oral examination (yes) a | 29.8 (1.1) | 31.7 (0.7) | 0.119 |
BMI, body mass index; CPI, community periodontal index; DBP, diastolic blood pressure; FPG, fasting plasma glucose; HDL, high-density lipoprotein; SBP, systolic blood pressure.
Values are expressed as mean value ± standard error for continuous variables, and numbers (percentage) for categorical variables.
a
Categorical variables.