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Comparison of pre- and post-intervention knowledge scores within each trial arm
| Pre-intervention score | Post-intervention score | Paired t-test for equality of means within trial arms | |||
|---|---|---|---|---|---|
| Mean score (%, SD) | Mean score (%, SD) | Mean difference (%, SD) | t-value (df) | P value | |
| Intervention arm (n = 25) | 10/23 (41.9, 14.6) | 14/23 (61.4, 27.9) | 4/23 (19.5, 25.6) | 3.804 (24) | 0.001 |
| Control arm (n = 25) | 9/23 (37.2, 18.19) | 10/23 (41.2, 16.22) | 1/23 (4.0, 13.2) | −1.512 (24) | 0.144 |
