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        <r:String xml:lang="sv">WOLF - Psykisk arbetsbelastning och indikatorer för kronisk hjärt- och kärlsjukdom</r:String>
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      <r:Content xml:lang="sv">WOLF är paraplybenämningen på ett FoU-program som har en historik i ett projekt WOLF-Stockholm (Work-Lipids-Fibrinogen) som inleddes i Stockholm 1993 som ett samarbetsprojekt mellan dåvarande Arbetsmiljöinstitutet, Karolinska Institutet, Institutet för Miljömedicin (IMM), Karolinska Institutet, Institutet för Psykosocial Miljömedicin (IPM) och Karolinska Institutet, Socialmedicinska Institutionen i Sundbyberg.
WOLF utgör ett samarbetsprogram med de ingående delprojekten WOLF-Stockholm, WOLF-Norrland och WOLF-F (Arbetsorganisationens och psykosociala belastningsfaktorers betydelse för stressrelaterad ohälsa, en femårsuppföljning av WOLF-Norrland).
Huvudfrågeställning/Inriktning: Psykisk arbetsbelastning (stress) och indikatorer för kronisk hjärt- och kärlsjukdom. Denna ursprungliga och övergripande programidé har utvecklats och preciserats i delprojekten WOLF-Stockholm (WOLF-S), WOLF-Norrland (WOLF-N) och WOLF-F (5-årsuppföljning av WOLF-N).

WOLF-Stockholm (WOLF-S)
Projektbenämning: Den psykosociala arbetsmiljöns betydelse för riskfaktorer för hjärtinfarkt. En undersökning om psykosocial arbetsmiljö, blodtryck, blodlipider, fibrinogen m m (WOLF-Stockholm).
Projektledare: Lars Alfredsson, Institutet för Miljömedicin, Karolinska institutet, Stockholm
och Peter Westerholm, Arbetslivsinstitutet, Stockholm. 
Studiepopulation: 5.698 anställda vid företag anslutna till företagshälsovård. 
Undersökta juli 1993 - juni 1995.
Metod:  Hälsoundersökning med inriktning mot hjärt- kärlsjukdom, blodtrycksmätning. Blodprov för biokemisk analys (Laboratorieföretaget CALAB, Stockholm) + enkätformulär.

WOLF-Norrland (WOLF-N)
WOLF etablerade 1995 ett samarbete med Umeå Universitet och inledde projektet WOLF-N med den operativa ledningen förlagd till yrkes- och miljömedicinska kliniken, Norrlands Universitetssjukhus  (Anders Knutsson).
Projektbenämning: Frågor om samband mellan hjärtinfarkts riskindikatorer och psykisk arbetsbelastning relaterad till faktorer i arbetsorganisation, arbetsmiljö och arbetsinnehåll (WOLF-Norrland).
Projektledare: Anders Knutsson, Mittuniversitet, Sundsvall (tidigare Umeå Universitet).
Studiepopulation: 4.715 anställda vid företag anslutna till företagshälsovård.
Undersökta september 1996 - april 1998.
Metod och organisation med vissa modifikationer och tillägg, samma som för WOLF-Stockholm.
 
WOLF-F (WOLF-Fortsättningsprojekt, uppföljning av WOLF-N)
Under år 2000 vidtog planering av WOLFF med fältorganisation och undersöknings-populationer i Norrland.
WOLF-F gavs två inriktningar:
1) WOLFF-Individuppföljning (WOLFF-I) omfattande en uppföljning av den tidigare undersökta populationen i WOLF-Norrland.
Projektbenämning: Arbetsorganisationens och psykosociala belastningsfaktorers betydelse för stressrelaterad ohälsa. En femårsuppföljning av WOLF-Norrland.
Projektledare: Anders Knutsson, Mittuniversitetet, Sundsvall.
2) WOLFF-Friska arbetsplatser - Arbetsorganisation (WOLFF-AO) med inriktning mot frågor om arbetsorganisation och hälsa med fördjupning och breddning av datainsamling och intervjumaterial.
Projektbenämning: Friska arbetsplatser - en studie av organisationsförhållanden, individförhållanden och hälsa.
Projektledare: Staffan Marklund och Annika Härenstam, Arbetslivsinstitutet, Stockholm
Studiepopulation: 32 utvalda företag, 90 arbetsplatser och ca 4.300 anställda. I stor utsträckning sammanfallande med undersökningspopulationen i WOLF-Norrland.

WOLF-U (WOLF Uppföljning)
År 2009 tillfrågades alla som någon gång fyllt i ett WOLF-formulär om de ville fylla i en uppföljningsenkät (WOLF-U). Enkäten innehöll frågor om arbetsmiljö, livsstil och hälsa. Responsen var positiv och ca 6 500 personer besvarade enkäten. I den här uppföljningsstudien ingick ingen hälsoundersökning.

Syfte:

Studera arbetslivets och livsstilens påverkan på hälsa</r:Content>
      <r:Content xml:lang="en">WOLF is a study that started in Stockholm in 1993. The acronym WOLF stands for Work-Lipids-Fibrinogen. The study is a collaboration between the former Working Environment Institute, the Institute of Environmental Health and the Institute of Psychosocial Environmental Health at Karolinska Institute and the Institute of Social Medicine in Sundbyberg. 
WOLF makes up a collaboration program with the included partial projects WOLF-Stockholm, WOLF-Norrland and WOLF-F (The importance of work organisation and psychosocial strain factors to stress related poor health, five year follow up of WOLF-Norrland). 
Main question formulation: Mental work load (stress) and indications for chronic cardiovascular disease. This original and general program idea has been developed and detailed in the partial projects WOLF-Stockholm (WOLF-S), WOLF-Norrland (WOLF-N) and WOLF-F (the five year follow up of WOLF-N). 

WOLF-Stockholm (WOLF-S)
Project term: The importance of psychosocial working environment for the risk factors for heart attack. A study in psychosocial working environment, blood pressure, blood lipids, fibrinogen etc. (WOLF-Stockholm).
Project manager: Lars Alfredsson, the Institute of Environmental Health, Karolinska Institute, Stockholm.
Study population: 5 698 employees at companies connected to occupational health care. Studied from June 1993 to June 1995.
Method: Health examination with focus on cardiovascular disease, blood pressure measurement. Blood samples for biochemical analysis (the laboratory concern CALAB, Stockholm) + questionnaires.    

WOLF-Norrland (WOLF-N)
In 1995 WOLF established cooperation with the University of Umeå and started the project WOLF-N with the operative management located at the occupational and environmental medicine clinic at the University Hospital of Norrland (Anders Knutsson). 
Project term: Questions on associations between risk indicators of heart attack and mental work strain related to factors in work organisation, working environment and work content (WOLF-Norrland). 
Project manager: Anders Knutsson, Mittuniversitetet, Sundsvall, (former University of Umeå).
Study population: 4 715 employees at companies connected to occupational health care. Studied from September 1996 to April 1998. 
Method and organisation with some modifications and additions, same as for WOLF-Stockholm.   

WOLF-F (WOLF-Follow up project, continuation of WOLF-N)
During year 2000 WOLF-F was planned with field organisations and investigational populations in northern Sweden (Norrland). WOLF-F was given two directions:
1)	WOLFF - Individual follow-up (WOLFF-I) consisted of a follow-up of the earlier examined population of WOLF-Norrland. 
Project term: The importance of work organisation and psychosocial factors for stress related poor health. A five year follow-up of WOLF-Norrland. 
Project manager: Anders Knutsson, Mittuniversitetet, Sundsvall. 
2)	WOLF - Healthy Work Places - Work Organisation (arbetsorganisation) (WOLF-AO) with focus on questions on work organisation and health with elaboration and widening of data collection and interview material. 
Project term: Healthy workplaces - A study on relations of organisations and individuals and health. 
Project manager: Staffan Marklund and Annika Härenstam, Working Life Institute (Arbetslivsinstitutet), Stockholm. 
Study population: 32 selected companies, 90 work places and about 4300 employees. To a large extent coinciding with the examined population of WOLF-Norrland.

WOLF U (WOLF Follow up)
In 2009, all participants who previously responded to a WOLF-questionnaire were asked to fill in a follow-up questionnaire (WOLF-U). The survey included questions about work environment, lifestyle and health. The response was positive and about 6 500 people answered the survey. The follow up did not include a health examination.

Purpose:

To study effect of work and lifestyle on health</r:Content>
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