Summary of analysis of covariance for concussion knowledge and attitude and behaviours
| Mean difference (95% CI) | F (1, 115) | p value | |
|---|---|---|---|
| Concussion knowledge | |||
| Group (video–no-video) | −0.63 (−2.58 to 1.32) | 0.41 | 0.52 |
| Division (Atom–Bantam) | 0.16 (−1.33 to 1.66) | 0.05 | 0.83 |
| Level (AA–HL) | −1.26 (−3.29 to 0.76) | 1.52 | 0.22 |
| AB Score | |||
| Group (video–no-video) | −0.16 (−0.65 to 0.32) | 0.44 | 0.51 |
| Division (Atom–Bantam) | −0.52 (−1.49 to 0.45) | 1.86 | 0.17 |
| Level (AA–HL) | 0.27 (−0.57 to 1.12) | 2.04 | 0.16 |
| Division×level | 0.26 (−0.89 to 1.40) | 0.20 | 0.66 |