Table 2.

Measures used at baseline and follow-up interviews

Measures	Baseline	6 Weeks	3 Months	6 Months	9 Months	12 Months
Accident information	x
Past history of neck pain and whiplash	x
Numerical rating scale	x	x	x	x	x	x
Health care after accident	x
Comorbidity questionnaire	x
Acute 36-item short-form health survey (V2)	x	x	x	x	x	x
Work status	x	x	x	x	x	x
Expectation of recovery	x	x	x	x	x	x
Whiplash disability questionnaire	x	x	x	x	x	x
Center for epidemiological studies-depression scale (CES-D)	x	x	x	x	x	x
Vanderbilt pain management inventory	x	x		x
Health state question	x	x	x	x	x	x
Socio-demographic characteristics	x
Whether a lawyer or paralegal is involved in the claim	x	x	x	x	x	x
Global perceived recovery question	x	x	x	x	x	x
Satisfaction with care and treatment outcome		x	x	x	x	x
Co-interventions		x	x	x	x	x