Table 3.
Comparison of the Means & Effect Sizes for Key Outcome Variables for Nurses Receiving the Evidence-based Practice (EBP) Mentorship Program and Those Not Receiving the Program (Comparison)
| Variable | Pre-EBP Mentorship Program | Post EBP Mentorship Program | Pre-Comparison Group Mean | Post-Comparison Group Mean | Effect Sizes for Post Scores | ||||
|---|---|---|---|---|---|---|---|---|---|
| N | Mean (±S.D.) | N | Mean (±S.D.) | N | Mean (±S.D.) | N | Mean (±S.D.) | ||
| EBP Beliefs | 91 | 57.2 (8.9) | 56 | 62.6 (8.9) | 57 | 58.0 (9.3) | 40 | 58.2 (7.8)* | .52++ |
| Organizational Culture & Readiness | 88 | 77.2 (18.5) | 55 | 89.5 (13.1) | 58 | 80.9 (17.9) | 37 | 82.9 (16.8) | .44+ |
| EBP Implementation | 86 | 34.3 (13.9) | 54 | 40.9 (16.9) | 52 | 29.7 (8.9) | 35 | 32.7 (11.9) | .57++ |
| Job Satisfaction | 88 | 29.1 (5.5) | 55 | 29.9 (3.8) | 52 | 28.9 (4.4) | 55 | 28.5 (4.5) | .34+ |
| Group Cohesion | 87 | 11.5 (2.7) | 56 | 12.1 (1.7) | 52 | 11.5(2.5) | 37 | 11.1 (2.9) | .43+ |
| Nurse Retention Index | 87 | 31.5 (5.2) | 55 | 32.2 (3.6) | 51 | 32.2(3.7) | 37 | 31.7 (3.5) | .13 |
| Intent to Leave | 87 | 3.3 (2.4) | 53 | 2.9(1.3) | 52 | 3.8 (2.6) | 35 | 4.5 (3.0) | .74++ |
*
p < .05
+ indicates a small intervention effect;
++ indicates a medium intervention effect