Table III.
Relative risks of psoriasis by reported history of number of teeth and tooth loss.
| Cases | Person-years | Age-adjusted RR (95%CI) | P-value | Multivariate* RR (95%CI) | P-value | |
|---|---|---|---|---|---|---|
| Number of teeth | ||||||
| 25-32 | 499 | 791,234 | 1.00 | 1.00 | ||
| 0-24 | 271 | 478,716 | 1.06 (0.84-1.34) | 0.63 | 1.03 (0.81-1.31) | 0.82 |
|
| ||||||
| Tooth loss | ||||||
| None | 525 | 927,175 | 1.00 | 1.00 | ||
| 1 or more | 280 | 381,339 | 0.99 (0.79-1.23) | 0.91 | 0.96 (0.76-1.22) | 0.76 |
*
Adjusted for age, bmi (<21, 21-22.9, 23-24.9, 25-26.9, 27.0-29.9, 30.0-32.9, 33-34.9, and 35-39.9, and 40 or more k/m2), smoking status/intensity (as never, past, current 1-14,15-24 or 25 or more cigarettes per day), alcohol intake (none, 1-4, 5-9, 10-14, 15-29, 30 or more grams per day), physical activity (met-hours/week, grouped in quintiles), and periodontal bone loss (as none, mild, or moderate to severe).