Percentage of correct responses to the questionnaire with comparison between preintervention vs early intervention and preintervention vs late intervention
| Question number | Pre-education Mean (95% CI) (n=31) | Early posteducation Mean (95% CI) (n=23) | Pre- vs early (p value) | Late posteducation Mean (95% CI) (n=16) | Pre- vs Late (p value) |
| 1 | 19.4 (4.6 to 34.1) | 39.1 (17.6 to 60.7) | 0.1257 | 37.5 (10.9 to 64.1) | 0.2196 |
| 2 | 92.0 (84.7 to 99.2) | 97.8 (94.7 to 100.9) | 0.1344 | 89.1 (75.3 to 102.8) | 0.6994 |
| 3 | 97.6 (94.0 to 101.2) | 99.0 (96.7 to 101.2) | 0.5257 | 93.8 (83.4 to 104.1) | 0.4664 |
| 4 | 87.1 (66.5 to 107.7) | 78.3 (60.0 to 96.5) | 0.5122 | 81.3 (59.8 to 102.7) | 0.6840 |
| 5 | 65.6 (59.7 to 71.5) | 78.3 (71.3 to 85.3) | 0.0063 | 62.5 (53.6 to 71.4) | 0.5505 |
| 6 | 89.2 (80.7 to 97.8) | 98.6 (95.5 to 101.6) | 0.0431 | 85.4 (72.5 to 98.3) | 0.6074 |
| 7 | 58.1 (39.7 to 76.5) | 91.3 (78.8 to 103.8) | 0.0034 | 75.0 (51.2 to 98.8) | 0.2460 |
| 8 | 71.1 (54.0 to 87.9) | 100.0 (100.0 to 100.0) | 0.0015 | 68.8 (43.2 to 94.3) | 0.8799 |
| 9 | 53.8 (42.1 to 65.4) | 74.0 (67.9 to 80.0) | 0.0030 | 60.4 (50.8 to 70.1) | 0.3647 |
| 10 | 67.7 (50.3 to 85.2) | 87.0 (72.1 to 101.8) | 0.0907 | 75.0 (51.2 to 98.8) | 0.6092 |
| 11 | 64.5 (46.7 to 82.4) | 82.6 (65.8 to 99.4) | 0.1343 | 62.5 (35.9 to 89.1) | 0.8957 |
| 12 | 59.7 (44.0 to 75.3) | 93.5 (86.8 to 100.2) | 0.0002 | 78.1 (61.4 to 94.9) | 0.1004 |
| Mean | 73.7 (67.1 to 80.4) | 85.2 (83.6 to 86.8) | 0.0016 | 76.4 (66.4 to 86.4) | 0.6412 |