From: Risk factors for chronic periodontitis in Sri Lankan adults: a population based case–control study
Variable | Cases (694) | Controls (706) | p value | ||
---|---|---|---|---|---|
n | % | n | % | ||
Mode of tooth cleaning | |||||
Brush | 673 | 97.0 | 703 | 99.6 | <0.001 |
Finger | 21 | 3.0 | 3 | 0.4 | |
Material used for tooth cleaning | |||||
Toothpaste | 666 | 96.0 | 698 | 98.9 | 0.001 |
Other | 28 | 4.0 | 8 | 1.1 | |
Tooth cleaning frequency | |||||
Once/day | 125 | 18.0 | 105 | 14.9 | 0.11 |
>Once/day | 569 | 82.0 | 601 | 85.1 | |
Smoking | |||||
Never | 432 | 62.2 | 603 | 85.4 | <0.001 |
Former | 80 | 11.5 | 45 | 6.4 | |
Current | 182 | 26.2 | 58 | 8.2 | |
Lifetime exposure to smoking in pack-yearsa | 0 | (0–45) | 0 | (0–79.2) | <0.001 |
Betel quid chewing | |||||
No | 583 | 84.0 | 666 | 94.3 | <0.001 |
Current chewer | 111 | 16.0 | 40 | 5.7 | |
Alcohol consumption | |||||
Never | 299 | 43.1 | 442 | 62.6 | <0.001 |
Ever | 395 | 56.9 | 264 | 37.4 | |
Self-reported diabetes | |||||
No | 590 | 85.0 | 658 | 93.2 | <0.001 |
Yes | 104 | 15.0 | 48 | 6.8 | |
Self-reported hypertension | |||||
No | 562 | 81.0 | 647 | 91.6 | <0.001 |
Yes | 132 | 19.0 | 59 | 8.4 | |
Overweight/obeseb | |||||
No | 292 | 42.1 | 266 | 37.7 | 0.09 |
Yes | 402 | 57.9 | 440 | 62.3 | |
Abdominal obesityc | |||||
Normal | 318 | 45.8 | 325 | 46.0 | 0.93 |
With abdominal obesity | 376 | 54.2 | 381 | 54.0 |