Table 2 Baseline characteristics of participants with different periodontal status
Characteristics | Overall1 N = 10,366 | Periodontitis1 | P value | |
|---|---|---|---|---|
Yes N = 3,984 | No N = 6,382 | |||
Gender |  |  |  |  < 0.001 |
 Male | 5,126 (49.45%) | 2,378 (59.69%) | 2,748 (43.06%) |  |
 Female | 5,240 (50.55%) | 1,606 (40.31%) | 3,634 (56.94%) |  |
Age |  |  |  |  < 0.001 |
 30–50 years | 4,791 (46.22%) | 1,448 (36.35%) | 3,343 (52.38%) |  |
  ≥ 50 years | 5,575 (53.78%) | 2,536 (63.65%) | 3,039 (47.62%) |  |
Race |  |  |  |  < 0.001 |
 Non-Hispanic White | 4,774 (46.05%) | 1,484 (37.25%) | 3,290 (51.55%) |  |
 Non-Hispanic Black | 2,108 (20.34%) | 989 (24.82%) | 1,119 (17.53%) |  |
 Mexican American | 1,345 (12.98%) | 692 (17.37%) | 653 (10.23%) |  |
 Other Hispanic | 958 (9.24%) | 378 (9.49%) | 580 (9.09%) |  |
 Other Races | 1,181 (11.39%) | 441 (11.07%) | 740 (11.60%) |  |
Education level |  |  |  |  < 0.001 |
 Less than High school | 2,508 (24.22%) | 1,271 (31.95%) | 1,237 (19.40%) |  |
 High school | 2,291 (22.12%) | 1,007 (25.31%) | 1,284 (20.13%) |  |
 Above high school | 5,556 (53.66%) | 1,700 (42.74%) | 3,856 (60.47%) |  |
PIR |  |  |  |  < 0.001 |
 Low (< 1.3) | 3,275 (31.59%) | 1,556 (39.06%) | 1,719 (26.94%) |  |
 Mid-high (≥ 1.3) | 7,091 (68.41%) | 2,428 (60.94%) | 4,663 (73.06%) |  |
Alcohol consumption |  |  |  |  < 0.001 |
 1–10 drinks/month | 5,538 (57.16%) | 2,047 (54.94%) | 3,491 (58.54%) |  |
 10–20 drinks/month | 700 (7.22%) | 272 (7.30%) | 428 (7.18%) |  |
 20 + drinks/month | 849 (8.76%) | 403 (10.82%) | 446 (7.48%) |  |
 Non-drinker | 2,602 (26.86%) | 1,004 (26.95%) | 1,598 (26.80%) |  |
Smoking status |  |  |  |  < 0.001 |
 Former smoker | 2,753 (26.57%) | 1,112 (27.93%) | 1,641 (25.72%) |  |
 Current smoker | 2,064 (19.92%) | 1,064 (26.73%) | 1,000 (15.67%) |  |
 Never smoker | 5,545 (53.51%) | 1,805 (45.34%) | 3,740 (58.61%) |  |
BMI | Â | Â | Â | 0.999 |
 Normal(< 25) | 2,772 (26.74%) | 1,066 (26.76%) | 1,706 (26.73%) |  |
 Overweight(25 to < 30) | 3,557 (34.31%) | 1,366 (34.29%) | 2,191 (34.33%) |  |
 Obese(≥ 30) | 4,037 (38.94%) | 1,552 (38.96%) | 2,485 (38.94%) |  |
SII cutoff | Â | Â | Â | 0.002 |
  < 978 × 109/L | 9,633 (92.93%) | 3669 (92.09%) | 5,964(93.45%) |  |
  ≥ 978 × 109/L | 733 (7.07%) | 315 (7.91%) | 418 (6.55%) |  |
Coronary heart disease | Â | Â | Â | 0.001 |
 Yes | 376 (3.64%) | 174 (4.39%) | 202 (3.17%) |  |
 No | 9,958 (96.36%) | 3,791 (95.61%) | 6,167 (96.83%) |  |
Myocardial infarction | Â | Â | Â | 0.013 |
 Yes | 409 (3.95%) | 181 (4.55%) | 228 (3.57%) |  |
 No | 9,947 (96.05%) | 3,797 (95.45%) | 6,150 (96.43%) |  |
Stroke | Â | Â | Â | 0.100 |
 Yes | 389 (3.75%) | 165 (4.14%) | 224 (3.51%) |  |
 No | 9,971 (96.25%) | 3,817 (95.86%) | 6,154 (96.49%) |  |
Cancer | Â | Â | Â | 0.868 |
 Yes | 1,058 (10.21%) | 409 (10.27%) | 649 (10.17%) |  |
 No | 9,303 (89.79%) | 3,572 (89.73%) | 5,731 (89.83%) |  |
Hypertension |  |  |  |  < 0.001 |
 Yes | 4,123 (39.82%) | 1,747 (43.94%) | 2,376 (37.26%) |  |
 No | 6,230 (60.18%) | 2,229 (56.06%) | 4,001 (62.74%) |  |
Hypercholesterolemia | Â | Â | Â | 0.114 |
 Yes | 3,945 (41.45%) | 1,509 (42.48%) | 2,436 (40.83%) |  |
 No | 5,573 (58.55%) | 2,043 (57.52%) | 3,530 (59.17%) |  |
Diabetes |  |  |  |  < 0.001 |
 Yes | 1,432 (14.22%) | 667 (17.28%) | 765 (12.32%) |  |
 No | 8,637 (85.78%) | 3,192 (82.72%) | 5,445 (87.68%) |  |