Misuse mode percentages for each booster seat type
| Booster type | Misuse mode | Misuse rate (%) |
|---|---|---|
| Shield booster (n=59) | Locking clip used incorrectly or not used at all, when needed | 78 |
| Booster seat not secured tightly with seat belt | 73 | |
| Shield not close to child's body | 21 | |
| Inappropriate seat belt system for booster seat | 9 | |
| Vehicle seat belt routed incorrectly | 8 | |
| Child inappropriate height/weight for booster seat | 7 | |
| Booster seat in a crash | 2 | |
| Belt positioning booster (n=164) | Shoulder belt incorrectly positioned | 14 |
| Child inappropriate height/weight for booster seat | 6 | |
| Inappropriate vehicle seat belt system for booster seat | 6 | |
| Vehicle seat belt routed incorrectly | 4 | |