Knowledge dimension, n (%)
| Correct rate | P value | ||
| Without desensitisation | Desensitisation | ||
| Q1. Which of the following species of dust mite can cause an allergic reaction? | 148 (59.20) | 216 (85.38) | <0.001 |
| Q2. Only live dust mites can act as allergens that cause allergic reactions. | 105 (42.00) | 119 (47.04) | 0.256 |
| Q3. Which of the following diseases can be caused by dust mite allergy? | 153 (61.20) | 187 (73.91) | <0.001 |
| Q4. Dust mites in the house mainly breed in bed sheets and bedding; carpets and curtains are not prone to breeding dust mites. | 171 (68.40) | 192 (75.89) | 0.061 |
| Q5. Plush toys are prone to breeding dust mites. | 226 (90.40) | 245 (96.84) | 0.003 |
| Q6. Ultraviolet light can kill dust mites. | 68 (27.20) | 54 (21.34) | 0.126 |
| Q7. Freezing the plush toys or pillowcases in the refrigerator overnight can kill dust mites. | 44 (17.60) | 68 (26.88) | 0.012 |
| Q8. Which hot water temperature will most effectively remove dust mites when washing bed sheets? | 127 (50.80) | 151 (59.68) | 0.045 |
| Q9. Indoor dust mites can be completely eliminated with a good job of cleaning. | 185 (74.00) | 215 (84.98) | 0.002 |