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Knowledge of causes of gum diseases (N=223)
| Variable | N (%) | Male N (%) |
Female N (%) |
X2 | P. value |
|---|---|---|---|---|---|
| Presence of bacteria in the mouth | 206 (92.4) | 135 (91.2) | 71 (94.7) | 0.8 | 0.03 |
| Lack of vitamins | 190 (85.2) | 120 (81.1) | 70 (93.3) | 5.9 | 0.01* |
| Poor general health | 179 (80.3) | 111 (75) | 68 (90.7) | 7.7 | 0.005** |
| Smoking | 208 (93.3) | 134 (90.5) | 4 (98.7) | 5.2 | 0.02* |
