Table 2 Measures, assessment, expected scaling and measurement occasions

 Sick leave duration in weeks

Own development

metric

X

X

X

 Stable return to work

Own development

binary

X

X

X

 Subjective work ability

WAS [28]

metric

X

X

X

 General health

COPSOQ (1 item) [30, 31]

metric

X

X

X

 Physical functioning

IRES-24 [32]

metric

X

X

X

 Depression

PHQ-2 [33]

metric/binary

X

X

X

 Anxiety

GAD-2 [34]

metric/binary

X

X

X

 Pain intensity

CPQ [35, 36]

metric

X

X

X

 Pain disability

CPQ [35, 36]

metric

X

X

X

 Fear of movement

FABQ [37, 38]

metric

X

X

X

 Physical activity

Modified Godin-Scale [39]

metric

X

X

X

 Medication use

Own development

nominal

X

X

X

 Self-management skills

heiQ [40]

metric

X

X

X

 Employment

Own development

binary

X

X

X

 Current sickness absence

Own development

binary

X

X

X

 Subjective prognosis of employment status

SPE [41]

metric/binary

X

X

X

 Implementation of work-related interventions

[19]

metric

X

 Consistency of the work-related strategy

[19]

metric

X

 Work-related benefit

[19]

metric

X

 Treatment satisfaction

CSQ-8 [42]

metric

X

 Income and welfare benefits

GPI accounts

metric

X

X

Therapeutic interventions

GPI accounts

metric

X

Department characteristics

Department survey

metric/nominal

X

 Risk scores for not returning to work

SIMBO [11], WS [12]

X

 Somatization

SCL-90-R [43]

metric

X

 Pain generalization

Own development

metric

X

 Psychosocial stress

[44]

metric

X

 Socio-demographic data

Own development

metric/nominal

X

 Size of company

[45]

nominal

X

 Physical job demands

[46]

metric

X

 Effort-reward imbalance

[47]

metric

X

 Overcommitment

[47]

metric

X

 Support by co-workers and supervisors

Own development

metric

X