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Prevalence of bruxism and the use of potential risk factors among different age groups.
| Age groups | |||||
|---|---|---|---|---|---|
| ≤15 | 16–20 | 21–25 | ≥25 | Total | |
| Bruxers | 2 (0.42%) | 74 (15.54%) | 312 (65.54%) | 18 (3.78%) | 406 (85.29%) |
| Khat | 2 (0.42%) | 33 (6.93%) | 196 (41.17%) | 16 (3.36%) | 247 (51.89%) |
| Coffee | 1 (0.21%) | 71 (14.91%) | 312 (65.54%) | 20 (4.20%) | 230 (48.31%) |
| Tobacco | 0 (0%) | 30 (6.30%) | 183 (38.44%) | 17 (3.57%) | 230 (48.31%) |
| Stress | 2 (0.42%) | 74 (15.54%) | 327 (68.69%) | 19 (3.99%) | 422 (88.65%) |
