Clinicians' eligibility criteria:  Inclusion Criteria:  be working with patients presenting with LBP be able to participate in a one-day training workshop assess and initiate treatment of their LBP patients based on the PDDM model (intervention) or the most recent CPGs (control) be fluent in French  Exclusion Criteria:  For the control group, clinicians will be excluded if they have already attended a workshop on the PDDM model  Patients' eligibility criteria:  Inclusion Criteria:  be 18 years or older presenting with a primary complaint of LBP be able to understand and read French have access to an email address be willing to provide patient-related outcomes measures  Exclusion Criteria:  Patients not deemed fit for rehabilitation by their therapist (i.e., red flags) Patients already undergoing physiotherapy treatment for their episode of LBP