Responses to individual knowledge questions and knowledge scores at baseline, by treatment group
| Safety knowledge | Maximum number of hazards or actions to identify | Control group | Intervention group |
|---|---|---|---|
| { }, missing values; IQR, interquartile range; SD, standard deviation | |||
| Questions for children in years 3 and 4 | |||
| Median (IQR) number of fire hazards in the kitchen {1} | 4 | 3 (2,4) | 3 (2,4) |
| Number (%) identifying correct actions for clothing fire {9} | – | 58 (39.5) | 62 (37.8) |
| Median (IQR) number of fall hazards | 4 | 3 (2,4) | 3 (2,4) |
| Median (IQR) number of safe ways to cross road {4} | 2 | 1 (1,2) | 1 (1,2) |
| Number (%) identifying walking facing oncoming traffic as safe {8} | – | 61 (41.8) | 73 (44.0) |
| Number (%) identifying safer clothing for pedestrian to wear in dark {13} | – | 113 (79.0) | 135 (82.3) |
| Number (%) identifying correct position for cycle helmet on head {5} | – | 135 (93.1) | 155 (91.2) |
| Number (%)identifying safest way to cross road with a bike {2} | – | 53 (35.8) | 58 (34.1) |
| Questions for children in year 5 | |||
| Median (IQR) number of firework and bonfire hazards | 6 | 5 (3,5) | 5 (3,6) |
| Median (IQR) number of fire hazards in kitchen | 6 | 3 (2,4) | 2 (2,3) |
| Median (IQR) number of fall hazards | 5 | 4 (3,4) | 4 (3,4) |
| Median (IQR) number of safe ways to cross road {4} | 2 | 1 (1,1) | 1 (1,1) |
| Number (%) identifying safer clothing for cyclist to wear in the dark | – | 63 (91.3) | 60 (85.7) |
| Number (%) identifying safer clothing for cyclist to wear in daytime {1} | – | 13 (19.1) | 18 (25.7) |
| Questions for children in years 3, 4 and 5 | |||
| Median (IQR) number of actions to take in event of house fire {2} | 3 | 2 (1,2) | 1 (1,2) |
| Median (IQR) number of poisonous items identified in bathroom | 5 | 3 (3,4) | 3 (3,4) |
| Number (%) identifying correct action if finds tablets {9} | – | 168 (79.6) | 169 (70.7) |
| Median (IQR) number of situations in which cycle helmet should be worn {1} | 4 | 3 (2,4) | 3 (2,3) |
| Knowledge score for each topic (children in years 3, 4 and 5) | |||
| Mean (SD) percentage correct responses for fire & burn prevention {10} | – | 60.8 (17.8) | 59.4 (17.7) |
| Mean (SD) percentage correct responses for poisoning prevention {9} | – | 66.4 (16.8) | 64.0 (15.8) |
| Mean (SD) percentage correct responses for bike & pedestrian safety {30} | – | 67.5 (13.7) | 65.4 (14.5) |
| Number (%) getting all responses correct for falls prevention | – | 81 (37.0) | 86 (35.8) |