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Table 3 Outcomes and variables measured at baseline and follow-up interviews.

From: Protocol for an economic evaluation alongside the University Health Network Whiplash Intervention Trial: cost-effectiveness of education and activation, a rehabilitation program, and the legislated standard of care for acute whiplash injury in Ontario

Measures Baseline 6
3 Months 6
9 Months 12
Socio-demographic characteristics x      
Accident information x      
Past history of neck pain and whiplash x      
Health care after accident x      
Co-morbidity questionnaire x      
Neck pain intensity x x x x x X
Whiplash disability questionnaire x x x x x X
SF-36 (acute, v2) x x x x x x
CES - Depression scale x x x x x x
Health state preference (rating scale) x x x x x x
Expectation of recovery x x x x x x
Global self-perceived recovery question x x x x x x
Work status x x x x x x
Lawyer or paralegal involvement x x x x x x
Satisfaction with care   x x x x x
Co-interventions   x x x x x
  1. CES = Center of Epidemiological Studies; SF-36 (acute, v2) = Medical Outcomes Study 36-item Short-Form health survey (acute, v2)