Clinical and demographic characteristics of the periodontitis and non-periodontitis participants
| Periodontitis n=9730 (16.2%) | Non-periodontitis n=50 444 (83.8%) | Difference (95% CI) | |
|---|---|---|---|
| Age (intake)* | 49.6 (8.9) | 52.1 (11.2) | 2.5 (2.3 to 2.7) |
| Age (current)* | 58.2 (9.2) | 59.5 (11.7) | 1.3 (1.1 to 1.6) |
| Male sex†‡ | 49.2% | 45.4% | 3.8% (2.8% to 4.9%) |
| Smoking† | 18.8% | 5.4% | 13.3% (12.5% to 14.1%) |
| Diabetes mellitus† | 6.0% | 2.2% | 3.8% (3.3% to 4.3%) |
| Hypertension† | 12.3% | 4.2% | 8.1% (7.4% to 8.7%) |
| Hypercholesterolaemia† | 6.1% | 1.9% | 4.2% (3.7% to 4.7%) |
| Low SES†§ | 51.7% | 47.1% | 4.8% (3.7% to 5.9%) |
*Values are mean in years (SD).
†Values are per cent of participants.
‡Missing data on sex in periodontitis group n=17 (0.2%), non-periodontitis group n=188 (0.4%).
§Missing data on SES in periodontitis group n=68 (0.7%), non-periodontitis group n=551 (1.1%).
SES, social economic status.