Variable | Before intervention | After intervention | p-value | |
---|---|---|---|---|
 | Mean (± SD) | Mean (± SD) | Differences(± SD) |  |
Knowledge†| 33.83 (10.05) | 41.12 (7.32) | 8.14 (9.29) |  < 0.001 |
Attitude†| 62.22 (18.45) | 71.82 (19.23) | 9.59 (20.9) |  < 0.001 |
 Perceived susceptibility | 44.71 (5.13) | 45.96 (4.60) | 1.24 (3.45) | 0.001 |
 Perceived severity | 65.54 (21.62) | 77.12 (16.94) | 11.57 (23.13) |  < 0.001 |
 Perceived benefits | 59.61 (16.72) | 65.23 (13.52) | 5.62 (19.33) | 0.0002 |
 Perceived barriers | 77.27 (40.05) | 89.93 (29.91) | 12.66 (42.99) | 0.0002 |
 Perceived self-efficacy | 78.95 (17.23) | 84.40 (18.61) | 5.44 (21.74) | 0.001 |
Practice†| 69.56 (15.92) | 79.19 (12.83) | 9.62 (15.14) |  < 0.001 |