| Items |
| Total practice at Pre guidelines | Total practice at post-guidelines | Total practice at Follow up guidelines |
| Total knowledge at Pre guidelines | r p | 0.376 0.001** |
|
|
| Total knowledge at Immediate post guidelines | r p |
| 0.427 0.000** |
|
| Total knowledge at follow up guidelines | r p |
|
| 0.408 0.000** |