Table 2.
Changes in Mean Knowledge and Perception of Benefits and Barriers (n = 131).
| Measure | Score (SD) | Change (SD) | CI | t | p a | Effect Sizeb |
|---|---|---|---|---|---|---|
| Knowledge | ||||||
| Pre | 73.16% (16.48) | 3.69 (19.75) | −7.10, −0.28 | −1.14 | .034 | 0.19 |
| Post | 76.84% (19.56) | |||||
| Benefitsc | ||||||
| Pre | 2.40 (0.60) | 0.11 (0.53) | 0.02, 0.20 | 2.38 | .019 | 0.21 |
| Post | 2.29 (0.64) | |||||
| Barriersc | ||||||
| Pre | 2.95 (0.60) | 0.10 (0.46) | 0.02, 0.18 | 2.53 | .013 | 0.22 |
| Postc | 2.85 (0.67) |
a
Significance was calculated using the t test.
b
Effect size was calculated using Cohen's d.
c
Benefits and barriers are coded such that a decrease indicates improvement.