Table 1.

Coding of free text definitions

	Correct	Almost correct	Wrong	No answer
Fracture	Bone is broken into more than one piece	‘Less severe than broken bone’; cracked/chipped/displaced/not completely broken	Damaged/bruised/dislocated/mention of soft tissue rather than bone damage/ other answer	Ticked box to say they did not know; no response
Broken bone	Bone is broken/fractured/snapped into more than one piece	‘More severe than fracture’; properly broken/broken all the way through	Damaged/bruised/dislocated/mention of soft tissue rather than bone damage/ other answer	Ticked box to say they did not know; no response
Strain	Injury/stretch to muscle (need muscle in definition)	Injury to ligament/tendon	Bone/limb/joint problem/ no anatomy identified	Ticked box to say they did not know; no response
Sprain	Injury/stretch of ligament (need ligament in definition)	Injury to muscle/joint/tendon	Damage to bone/no anatomy included/answer related to swelling or amount of pain rather than injury itself	Ticked box to say they did not know; no response