McKenzie 2008.

Trial name or title	The IMPLEMENT study
Methods	Type of targeted behaviour: decrease in test ordering (lumbar x‐rays) Study design: cluster RCT Country: Australia
Participants	Setting: primary care (general practice) 92 general practices, 2300 patients (sample size calculation) Condition: adults with non‐specific low back pain
Interventions	1. Professional intervention (educational meetings + distribution of educational materials) 2. Professional intervention (distribution of educational materials)
Outcomes	GP level: lumbar x‐rays ordered; giving advice to stay active; any imaging referral; fear‐avoidance beliefs; measurement of behavioural constructs Patient level: low back pain disability (Roland‐Morris Disability Questionnaire); pain; fear‐avoidance beliefs; assessment of Quality of Life; health service utilisation
Starting date	June 2006
Contact information	Simon French, email: s.french@unimelb.edu.au
Notes	Trial Registration: Australian New Zealand Clinical Trials Registry ACTRN012606000098538 (date registered 14/03/2006). Website: http://www.cochrane.org.au/projects/implement.php