. 2019 Dec 10;19:1653. doi: 10.1186/s12889-019-7999-z

Table 1.

Overview of the selected measures and measurement points

Measures	Source and reference	Total range	Base line (t0)	6 months (t1)	12 months (t2)	18 months (t3)
Socio-demographic information	Own development and [36]		x
Work-related
Job characteristics	Own development and [36, 37]		x
Quantitative demands	COPSOQ [38]	0 to 100	x		x^a	x^a
Influence at work	COPSOQ [38]	0 to 100	x		x^a	x^a
Social support (colleagues)	COPSOQ [39]	0 to 100	x	x^a	x^a	x^a
Sense of community	COPSOQ [38]	0 to 100	x	x^a	x^a	x^a
Social support (supervisor)	COPSOQ [39]	0 to 100	x	x^a	x^a	x^a
Quality of leadership	COPSOQ [38]	0 to 100	x	x^{a, b}	x^{a, b}	x^{a, b}
Job insecurity	COPSOQ [38]	0 to 100	x	x^a	x^a	x^a
Work-privacy conflict	COPSOQ [38]	0 to 100	x	x^a	x^a	x^a
Meaning of work	COPSOQ [38]	0 to 100	x			x^a
Workplace commitment	COPSOQ [38]	0 to 100	x			x^a
Trust and fairness	COPSOQ [39]	0 to 100	x			x^a
Overall job satisfaction	COPSOQ [38]	0 to 100	x			x^a
RTW-related
RTW expectation	Adapted from SIBAR [40]		x	x^c	x^c	x^c
Work ability	WAS [41]	0 to 10	x	x	x	x
RTW self-efficacy	[42]	1 to 6	x	x	x	x
Job crafting	Adapted from [43, 44]	1 to 5		x^a	x^a	x^a
Current working status	Own development		x	x	x	x
RTW and SRTW trajectories	Own development			x	x	x
GRTW processes	Own development		x	x	x	x
“RTW/BEM” processes	Own development		x	x	x	x
Employer – employee contact during SA	Own development		x	x^c	x^c	x^c
Helpful/necessary work accommodation needs	Own development		x
Necessary work accommodation needs next 2 years	Own development					x^a
Health-related
First & second diagnosis	ICD-10 codes from Clinicians		x
Recurrence of disorder	Own development		x
Work-relatedness of disorder	Adapted from Würzburger Screening [45]	1 to 5	x
Weeks of sickness absence for the last twelve/six months	Own development		x	x	x	x
Sickness presenteeism	[46]		x	x^a	x^a	x^a
Self-rated health	[47]	1 to 5	x	x	x	x
Functional ability	NFAS [48, 49]	1 to 5	x	x	x	x
Depressive symptoms	PHQ-8 [50]	0 to 24	x	x	x	x
Generalized anxiety	GAD-2 [51]	0 to 6	x	x	x	x
Regular physical activity	DEGS [52]		x
Smoking behaviour	DEGS [52]		x
Alcohol consumption	Adapted from DEGS [52]		x
Clinical stay	Adapted from [53]		x
Comorbidity	Own development		x
Further treatment	Own development		x	x	x	x
Application for early retirement	Adapted from SPE-Scale [54]			x^c	x^c	x^c
Application for recognition as a disabled person	SIBAR [40]		x			x
Degree of disability	SIBAR [40]		x			x
Stigma resistance	Adapted from ISMI-10 [55]	1 to 4	x	x	x	x

COPSOQ Copenhagen Psychosocial Questionnaire, SIBAR Screening instrument work and occupation, WAS Work ability score, Würzburger Screening for Sociomedical Documentation, PHQ-8 Patient Health Questionnaire Depression Scale-8, GAD-2 Generalized Anxiety Disorder Scale-2, DEGS German Health Interview and Examination Survey for Adults, ISMI-10 Internalized Stigma of Mental Illness Scale-10. SPE-Scale subjective prognosis of gainful employment

^a only applied if participant did return to work, ^b only applied if supervisor changed, ^c only applied if participant did not return to work yet