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Table 2 Overview of measurements and time path

From: Cost-effectiveness of a participatory return-to-work intervention for temporary agency workers and unemployed workers sick-listed due to musculoskeletal disorders: design of a randomised controlled trial

Measurement

Time path

 

Baseline

3 months

6 months

9 months

12 months

 

(T0)

(T1)

(T2)

(T3)

(T4)

Prognostic measures

     

- Demographic variables (e.g. age, gender)

X

    

- Last work (function, hours)

X

    

- Work status before reporting sick

X

    

Primary outcome measure

     

- Duration of sickness benefit

X

X

X

X

X

Secondary outcome measures

     

- RTW

X

X

X

X

X

- Total number of days of sickness benefit

X

X

X

X

X

- Severity of complaints (DMQ)

X

X

X

 

X

- Pain intensity (Von Korff)

X

X

X

 

X

- Functional status (RAND-36)

X

X

X

 

X

- General health (RAND-36)

X

X

X

 

X

- Quality of life (Euroqol EQ-5D)

X

X

X

 

X

- Coping (PCI)

X

    

- ASE determinants (ASE questionnaire)

X

X

   

- Direct and indirect costs

    

X

- Patient satisfaction (PSOHSQ)*

 

X

   
  1. * patient satisfaction with occupational health services is only measured in the intervention group (as part of the process evaluation)