Table 1 Inclusion and exclusion criteria for the FISH study

Injury due to motor vehicle crash diagnosed by a medical practitioner, or registered health practitioner, within 28 days of the crash

Injury due to crash involving a motorised vehicle on land (public/private road/driveway/parking space or private/public land) in NSW

Injured person is a driver, rider, passenger, pillion passenger, pedestrian (person travelling on foot or operating toy vehicle, pedal car, barrow, billycart, non-motorised wheelchair or skateboard) or cyclist

Adults aged 17 years or over

Potential participants from a Non-English Speaking Background (NESB) are included if they are able to answer the interview questions

Potential participant must be residents of NSW, with a valid Medicare number

Exclusion criteria

Injury due to crash involving types of land transport other than motorised vehicle such as trains and light rail that are not covered by the CTP

Dementia or significant pre-existing cognitive impairment affecting ability to consent

Severe injury, which includes severe traumatic brain injury, spinal cord injury, extensive burns or multiple amputations as these injuries are covered defined by the NSW Lifetime Care and Support Scheme

Isolated, superficial soft tissue injuries such as bruises, abrasions or cuts were also excluded as these very minor injuries are not covered by the CTP

Injury occurring as a result of intentional self-harm

Death of an immediate family member in the motor vehicle crash