Information leaflets regarding diagnostic imaging for low back pain

This trial includes community participants and patient participants. Community participants will complete a survey (hosted by Qualtrics) on their computer. They will be asked to imagine that they have developed sudden, severe low back pain and have gone to their local emergency department. The scenario will state that before they have a consultation with the emergency department doctor, they pick-up a leaflet in the waiting room. At this point, the randomiser function in Qualitrics survey will randomly allocate each community participant to view one of the three leaflets on their computer screen. The leaflets contain information about low back pain and use of imaging, presented in different ways (see below for more detail). No time limit will be given to participants to read the leaflet, however, they will not be able to navigate back to the leaflet once they begin answering the outcome questionnaires. Patient participants will also be given one of three leaflets to read but will base their answers on their own experience rather than receive the hypothetical scenario. After consenting to participate, a research assistant will give patient participants, who are waiting for their appointment at a back pain clinic, an iPad on which to read the leaflet. At this point, the randomiser function in Qualitrics survey will randomly allocate each patient participant to view one of the three leaflets on the iPad. The leaflets (identical to those provided to community participants) contain information about low back pain and use of imaging, presented in different ways (see below for more detail). No time limit will be given to participants to read the leaflet, however, they will not be able to navigate back to the leaflet once they begin answering the outcome questionnaires. Types of intervention leaflets: 1. Fact Box leaflet This leaflet contains "Fact Box" which contains balanced information on the benefits and harms of imaging for low back pain, presented side by side. 2. Nudge Leaflet This leaflet contains information that is biased towards highlighting the harms of imaging for low back pain, more than any benefits.