Cost-effectiveness of 40-hour versus 100-hour vocational rehabilitation on work participation for workers on sick leave due to subacute or chronic musculoskeletal pain: study protocol for a randomized controlled trial

Table 1 Outcome measures for each of the measurement moments

Outcomes	Time measured			Follow-up
	Baseline	Midterm	Discharge	2 months	4 months	6 months	8 months	10 months	12 months
	T0	T1	T2	T3	T4	T5	T6	T7	T8
Descriptive variables
Demographic variables	x
General perceived health	x
Work-related psychosocial factors	x
Self-efficacy of work participation	x
Pain intensity	x		x
Fatigue	x
Work tolerance functions	x
Outcome measures
Primary
Work participation^a	x	x	x	x	x	x	x	x	x
Secondary
Work ability	x		x			x			x
Disability	x		x			x			x
Physical functioning	x		x			x			x
Quality of life	x		x			x			x
Costs^a
Presenteeism	x	x	x	x	x	x	x	x	x
Health care usage	x		x		x		x		x

^aThe primary outcome work participation will also serve as a cost outcome (that is, absenteeism)

ISSN: 1745-6215