Table 2 Correct answer rates to the quizzes about knowledge of Covid-19 infection prevention
Correct answer rate | Between pre- and post- | Between pre- and three-month-later | Between post- and three-month-later | ||||||
|---|---|---|---|---|---|---|---|---|---|
Pre-training | Post-training | Three-month later | Change of correct answer rate | p-value | Change of correct answer rate | p-value | Change of correct answer rate | p-value | |
Quiz a-1 | 47.8 | 86.3 | 74.0 | + 36.8 | < 0.01 | + 22.9 | < 0.01 | -13.7 | < 0.01 |
Quiz a-2 | 40.2 | 80.5 | 52.7 | + 38.9 | < 0.01 | + 10.7 | 0.04 | -27.5 | < 0.01 |
Quiz a-3 | 93.3 | 97.9 | 95.4 | + 3.7 | 0.04 | 0 | 1.00 | -1.5 | 0.73 |
Quiz a-4 | 46.9 | 92.6 | 71.0 | + 47.7 | < 0.01 | + 22.9 | < 0.01 | -19.8 | < 0.01 |
Quiz a-5 | 81.3 | 96.3 | 90.8 | + 14.7 | < 0.01 | + 10.7 | < 0.01 | --5.3 | 0.12 |
Quiz a-6 | 56.7 | 89.4 | 77.9 | + 33.2 | < 0.01 | + 16.0 | < 0.01 | -11.5 | 0.14 |
Quiz a-7 | 47.3 | 92.6 | 72.5 | + 47.4 | < 0.01 | + 31.3 | < 0.01 | -19.8 | < 0.01 |
Quiz a-8 | 95.5 | 98.4 | 98.5 | + 2.6 | 0.23 | + 2.3 | 0.45 | -1.5 | 0.50 |
Quiz a-9 | 23.7 | 76.3 | 51.1 | + 52.1 | < 0.01 | + 25.2 | < 0.01 | -24.4 | < 0.01 |
Quiz a-10 | 20.5 | 74.2 | 36.6 | + 52.1 | < 0.01 | + 18.3 | < 0.01 | -38.2 | < 0.01 |
Quiz a-11 | 84.0 | 94.2 | 90.8 | + 11.1 | < 0.01 | + 9.2 | 0.03 | -5.3 | 0.12 |
Quiz a-12 | 50.4 | 93.2 | 72.5 | + 43.7 | < 0.01 | + 21.4 | < 0.01 | -22.9 | < 0.01 |
Quiz a-13 | 54.0 | 75.2 | 58.0 | + 22.6 | < 0.01 | + 3.1 | 0.69 | -18.3 | < 0.01 |
Total score, mean (SD) | 57.0 (13.9) | 88.3 (12.9) | 72.5 (14.3) | + 31.1 (15.7) | < 0.01 | + 14.9 (16.8) | < 0.01 | -16.1 (16.7) | < 0.01 |