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Table 2 Categorization of included studies

From: Hearing difficulties, ear-related diagnoses and sickness absence or disability pension - a systematic literature review

First author, year

Study design

Study group

Outcome

Cohort

Intervention

Cross-sectional

Population

Employed

Patients

Sick leave

Disability pension

Carlsson [16], 2011

X

    

X

X

 

Gustafsson [17], 2011

X

  

X

  

X

X

Neuhauser [10], 2008

  

X

X

  

X

 

Skøien [18], 2008

X

  

X

  

X

X

Ide [29], 2007

  

X

 

X

  

X

Bjerlemo [19], 2006

X

    

X

X

 

Kramer [20], 2006

  

X

 

X

 

X

 

Hagberg [21], 2005

X

   

X*

 

X

 

Gates [22], 2004

 

X

   

X

X

 

Chau [23], 2004

  

X

 

X

 

X

 

Sewell [30], 2004

X

   

X

  

X

Bjorne [24], 2003

 

X

  

X

X

X

 

Joore [25], 2003

 

X

   

X

X

 

Andersson [27], 2000

X

    

X

X

 

Holgers [26], 2000

X

    

X

X

 

Ide [31], 1998

  

X

 

X

  

X

Starzynski [32], 1993

X

   

X

  

X

Rudin [28], 1987

X

  

X

  

X

 
  1. * Former students.
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