Table 2 Baseline (year 2005) characteristics of study participants according to caries risk group
Variables (%, N) | No/low (n=200) | High (n=200) | P-value |
|---|---|---|---|
Caries risk group | Caries risk group | ||
Gender (%) | 50% | 50% | |
Age (mean (95% CI)) | 46.8 (45.3-48.3) | 43.1 (41.4-44.8) | 0.001 |
Dental status (mean (95% CI)) | |||
total number of teeth | 27.4 (27.0-27.9) | 27.6 (27.0-28.1) | 0.770 |
number of intact teeth | 14.4 (13.4-15.5) | 12.6 (11.5-13.6) | 0.015 |
Caries status (mean (95% CI)) | |||
DMFStotal | 51.9 (47.8-56.0) | 59.0 (54.4-63.4) | 0.025 |
DMFSapproximal surfaces | 22.7 (20.5-24.8) | 27.5 (25.3-29.8) | 0.002 |
lesions in dentin (surfaces) | 0.45 (0.30-0.60) | 3.1 (2.6-3.6) | p < 0.0001 |
secondary caries (surfaces) | 0.07 (0.03-0.10) | 1.0 (0.8-1.3) | p < 0.0001 |
Health status (%) | |||
healthy | 70.3 | 64.4 | 0.231 |
diseased | 29.7 | 35.6 | |
Medication (%) | |||
non medicated | 67.6 | 62.1 | 0.490 |
1-2 medicines | 20.3 | 22.0 | |
≥ 3 medicines | 12.1 | 15.8 | |
Tobacco use (%) | |||
no tobacco use | 63.2 | 70.1 | 0.352 |
present smoker | 12.1 | 12.4 | |
present snus user | 23.1 | 16.9 | |
present smoker and snus user | 1.6 | 0.6 | |
Preventive/non-operative measures (% treated) | |||
basic prevention1 | 48.5 | 57.0 | 0.089 |
additional fluoride | 12.5 | 35.0 | p < 0.0001 |
individual counselling on oral hygiene | 21.0 | 21.5 | 0.903 |
Individual counselling on diet | 0.5 | 6.5 | 0.005 |