| Question | Responses | Level | P Value | ||
| D1 | D2 | D3 | |||
| What type of toothbrush do you use? | Soft | 34.5% | 18.2% | 75.9% | 0.000* |
| Medium | 55.2% | 66.7% | 24.1% | ||
| Hard | 0.0% | 6.1% | 0.0% | ||
| Don’t know | 10.3% | 9.1% | 0.0% | ||
| Total | 100.0% | 100.0% | 100.0% | ||
| What type of toothpaste do you usually use? | Whitening | 30.0% | 36.4% | 22.2% | 0.040* |
| High-strength Fluoridated | 0.0% | 9.1% | 22.2% | ||
| Normal | 56.7% | 42.4% | 55.6% | ||
| Don’t know | 13.3% | 12.1% | 0.0% | ||
| Total | 100.0% | 100.0% | 100.0% | ||
| After drinking soft drinks do you brush your teeth? | Yes | 20.7% | 15.6% | 14.3% | 0.825 |
| No | 79.3% | 84.4% | 85.7% | ||
| Total | 100.0% | 100.0% | 100.0% | ||
| Do you brush your teeth after vomiting? | Yes | 71.4% | 57.6% | 46.7% | 0.162 |
| No | 28.6% | 42.4% | 53.3% | ||
| Total | 100.0% | 100.0% | 100.0% | ||