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

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

Measures	Baseline	6 Weeks	3 Months	6 Months	9 Months	12 Months
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

CES = Center of Epidemiological Studies; SF-36 (acute, v2) = Medical Outcomes Study 36-item Short-Form health survey (acute, v2)

ISSN: 1471-2458