Table 3 Content of the patient questionnaires

Demographics

- Age

X

- Gender

X

- Ethnicity

X

- Educational level

X

- Marital status

X

Outcome measures

- Global Perceived Effect (GPE) [31, 32]

X

X

X

X

X

X

- Severity of pain (11-point numeric rating scale) [33]

X

X

X

X

X

X

- Recurrence of back pain

X

X

X

X

X

- Disability: Roland Disability Questionnaire (RDQ) [36]

X

X

X

X

X

- Health-related quality of life: Short Form-36 (SF-36) [38]

X

X

X

X

X

- PRodisq and DISease Questionnaire (PRODISQ) [39]

X

X

X

X

X

- Back medication: name, frequency and prescription/over-the-counter *

X

X

X

X

X

- Consultation to health care professionals*

X

X

X

X

X

- Health care satisfaction [50]*

X

X

X

X

X

Prognostic factors

- Duration, onset of symptoms, frequency, radiation, numbness, weakness [51]

X

X

X

X

X

X

- McGill pain drawing [52]

X

- Morning stiffness of the back (subscale of the WOMAC [53])

X

X

X

X

X

X

- Pain response to activity and position (PRAP) [54]

X

- Physical activity: International Physical Activity Questionnaire (IPAQ) [55]

X

X

X

X

X

- Smoking (pack years)

X

- Alcohol use: AUDIT-C Questionnaire [56]

X

- Comorbidity: Self-administered Comorbidity Questionnaire (SCQ) [57]

X

- Quality of sleep, subscale of the Pittsburgh Sleep Quality Index (PSQI) [58]

X

- Kinesiophobia: Fear Avoidance Beliefs Questionnaire (FABQ) [59]

X

- Pain Catastrophizing: Pain Catastrophizing Scale- Dutch Version (PCS-DV) [60]

X

- Back Beliefs Questionnaire (BBQ) [61]

X

X

X

X

X

- Expectations of recovery: 5-point Likert scale; completely pain free/more pain than ever.

X

X

X

X

X

- Satisfaction with the current physical condition [50]

X

X

X

X

X

- Emotional well-being: CES-D [62]

X

- Job Satisfaction: 7-point Likert scale; extremely unsatisfied/extremely satisfied

X

- Co-workers support (subscale of Job Content Questionnaire (JCQ), [63])

X

- Physical workload: Dutch Musculoskeletal Questionnaire (DMQ) [64]

X