Table 2 Measures, assessment, expected scaling and measurement points

 Pain disability

CPQ [48, 49]

0 to 100

metric

X

X

 Pain intensity

CPQ [48, 49]

0 to 100

metric

X

X

 Days of disability

CPQ [48, 49]

0 to 90

metric

X

X

 Pain self-efficacy

PSEQ [50, 51]

10 to 60

metric

X

X

 Fear avoidance beliefs

Modified FABQ subscales [52, 53]

0 to 18

metric

X

X

 General health

COPSOQ [54, 55]

0 to 10

metric

X

X

 Depressive symptoms

PHQ-8 [56, 57]

0 to 24

metric

X

X

 Work ability

WAS [58]

0 to 100

metric

X

X

 Subjective prognosis of employability

SPE [59]

0 to 3

ordinal

X

X

 Healthcare utilisation:

Own development

  Use of pharmaceuticals

binary

X

X

  Outpatient visits to physicians

metric

X

X

  Utilisation of therapy

metric

X

X

  Hospital stay

binary

X

X

  Days of sick leave

0 to 365

metric

X

X

 Days in receipt of sickness absence benefits

GPI registers

metric

X

X

 Days in regular employment

GPI registers

metric

X

X

 Application for disability pension

GPI registers

binary

X

 Grant of a disability pension

GPI registers

binary

X

 Comorbidity

Modified subscale of the SCQ [60, 61]

0 to 15

metric

X

 Health behaviour

Own development

  Physical exercise

binary

X

  Cigarette smoking

binary

X

  Body Mass Index

metric

X

  Self-help group or organisation

binary

X

 Employment status

Own development

nominal

X

 Job profession

Own development

nominal

X

 Working hours

Own development

ordinal

X

 Fixed-term job contracts

Own development

nominal

X

 Shift work

COPSOQ [54, 55]

nominal

X

 Size of enterprise

COPSOQ [54, 55]

ordinal

X

 Physical demands

FEBA [62]

0 to 15

metric

X

 Psychological demands

COPSOQ [54, 55]

0 to 100

metric

X

 Support by supervisor and colleagues

COPSOQ [54, 55]

0 to 100

metric

X

 Atmosphere at work

COPSOQ [54, 55]

0 to 100

metric

X

 Job insecurity

COPSOQ [54, 55]

0 to 100

metric

X

 Overall job satisfaction

COPSOQ [54, 55]

0 to 100

metric

X

 Workplace bullying

[63]

0 to 100

metric

X

 Cognitions about experiences with rehabilitation services

[64]

  Former medical rehabilitation services

binary

X

  Subjective need for rehabilitation

binary

X

  Intention to apply for medical rehabilitation

binary

X

  Knowledge of rehabilitation application procedures

metric

X

  Negative outcome expectations

metric

X

  Social support from family and friends

metric

X

  Social support from physicians and therapists

metric

X

Socio-demographic data

Own development

metric/nominal

X