Lumbar spine radiology in primary health care: clinical outcomes and cost-effectiveness

INTERVENTION: Group 1 ‐ no hospital radiology referral (400) Group 2 ‐ simulated (placebo) X‐ray procedure (300) Group 3 ‐ lumbar spine radiology (600) CONDITION: Musculoskeletal diseases: Spinal conditions ; Musculoskeletal Diseases ; Spinal condition PRIMARY OUTCOME: 1. General health profile (SF36); 2. Condition specific questionnaire for low back pain (Aberdeen scale); 3. Quality of life instrument (Euroquol); 4. Treatments given; 5. Referrals made; 6. Numbers of consultations; 7. Numbers, lengths and costs of certified absences from work ; 8. Radiological reports SECONDARY OUTCOME: Not provided at time of registration. INCLUSION CRITERIA: Not provided at time of registration.