Table 2 Characteristics of all 6460 participants among different periodontitis severity levels
Characteristics | No periodontitis | Mild periodontitis | Moderate periodontitis | Severe periodontitis | P value |
|---|---|---|---|---|---|
N | 3337 | 143 | 2285 | 695 | Â |
Age, years | 49.1(0.4) | 47.6(1.6) | 55.5(0.5) | 54.3(0.6) |  < 0.001 |
Men, % | 43.5(1.1) | 60.9(5.0) | 55.0(1.1) | 72.2(2.3) |  < 0.001 |
BMI, kg/m2 | 29.0(0.2) | 29.9(0.8) | 29.8(0.3) | 29.3(0.4) | 0.057 |
Race/ethnicity, % |  |  |  |  |  < 0.001 |
 Mexican American | 5.9(1.0) | 8.9(2.5) | 11.2(1.9) | 11.4(2.2) |  |
 Non-Hispanic White | 75.1(2.0) | 61.6(5.4) | 61.2(3.1) | 54.7(4.6) |  |
 Non-Hispanic Black | 7.5(0.8) | 11.6(3.2) | 12.8(1.7) | 21.1(3.4) |  |
 Others | 11.5(0.9) | 17.9(3.5) | 14.8(1.3) | 12.8(1.6) |  |
 Diabetes, % | 9.8(0.6) | 13.5(2.7) | 19.6(1.1) | 19.3(2.0) |  < 0.001 |
 Hypercholesterolemia, % | 44.8(1.3) | 44.0(10.2) | 50.2(1.6) | 42.7(2.3) | 0.063 |
 Hypertension, % | 36.8(1.1) | 42.7(6.8) | 48.8(1.5) | 54.0(2.8) |  < 0.001 |
 SBP, mmHg | 120.2(0.4) | 121.3(2.5) | 125.9(0.7) | 128.3(1.2) |  < 0.001 |
 DBP, mmHg | 72.0(0.4) | 70.9(1.3) | 71.2(0.4) | 73.5(0.8) | 0.088 |
 Alcohol consumption, % | 40.4(1.8) | 35.7(1.3) | 33.6(1.8) | 42.8(3.0) | 0.003 |
 Smoking, % | 36.3(1.3) | 29.9(4.5) | 55.2(1.2) | 66.3(2.5) |  < 0.001 |
 Physical activity, % | 39.6(1.4) | 42.5(6.1) | 43.1(1.5) | 47.5(2.1) | 0.007 |
 Stroke, % | 1.6(0.3) | 0.4(0.4) | 2.7(0.3) | 4.0(1.1) | 0.018 |