Table 1 Content of the patient questionnaires

Age

X

Gender

X

Ethnicity

X

Education level

X

Marital Status

X

Weight (for BMI)

X

Height (for BMI)

X

 Global Perceived Effect

X

X

X

X

X

X

 Recurrence of back pain

X

X

X

X

X

X

 Severity of pain (11-point numeric rating scale)

X

X

X

X

X

X

X

 Roland Morris Disability Questionnaire

X

X

X

X

X

X

X

 E5-Q5-DL

X

 Cost Evaluation/ Healthcare Satisfaction

X

X

X

X

X

X

X

 Adverse Events to Treatment

X

X

X

X

X

X

 Duration, onset of symptoms, frequency, radiation, numbness, weakness

X

Expectations of recovery

X

 Satisfaction with the current physical condition

X

 Physical activity: International Physical Activity Questionnaire

X

 Smoking

X

 AUDIT-C Questionnaire

X

 Pittsburgh Sleep Quality Index

X

 Comorbidity Questionnaire

X

 STarT Back Screening Tool

X

 Get Up & Go Test

X