Figure 2.

Potential confounding variables adjusted for in the primary analyses. ¹Practitioner checklist; ²Exposure period is the number of data collection days post-patient entry into the trial. ³Clinical file audit; ⁴Practitioner questionnaire; ⁵Stratification variable; ⁶Imaging referral excluding x-ray; ⁷ Adjusted for the baseline of the relevant behavioural construct (e.g., knowledge (Table 2)) for the specified behaviour (managing patients without referral for plain x-ray or advising patients to stay active); ⁸Practitioners answer yes to the question 'Do you primarily treat Work Cover (compensable) patients at your main practice?'; ⁹Patient questionnaire; ¹⁰Managing patients without referral for plain x-ray; ¹¹Advising patients to stay active; *[100]; ^†[100,101]; ^±[102]; ^‡[103]; ^·[104]; ^II [76]; ^¶[105]; °[106].