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Table 1 Outcome measures for each of the measurement moments

From: 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

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 participationa 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
Costsa          
 Presenteeism x x x x x x x x x
 Health care usage x   x   x   x   x
  1. aThe primary outcome work participation will also serve as a cost outcome (that is, absenteeism)