WOrk, Lipids and Fibrinogen Study
The primary objective of the study is to investigate the relationship between psychosocial work conditions, in particular job strain, biological risk factors for coronary heart disease and ultimately, coronary heart disease incidence and mortaliy.
Overview
- Acronym
- WOLF
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 1992 - 2011
- General Information on Follow Up (profile, frequency)
-
Employees at approximately 60 companies served by 36 occupational health service units were followed up from Stockholm (WOLF-S), and Västernorrland and Jämtland (WOLF-N).
Participants from WOLF-N were first seen in 1996, and were followed-up in 2000, 2009, 2011.
Participants from WOLF-S were first seen in 1993, and were followed-up in 2009, 2011. - Recruitment Target
-
- Individuals
- Number of Participants
- 10,413
- Number of Participants with Biological Samples
- 10,413
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Papers
Alfredsson L, Hammar N, Fransson E, et al. Job strain and major risk factors for coronary heart disease among employed males and females in a Swedish study on work, lipids and fibrinogen.
PUBMED 12199425Timeline
Populations
WOLF - N
The study population is composed of individuals between the age of 15 to 65, who are employees at various companies served by diverse occupational health service units in Västernorrland (Sweden) and Jämtland (Sweden).
Selection Criteria
- Minimum age
-
15
- Maximum age
-
65
- Countries
-
- Sweden
- Territory
- Västernorrland and Jämtland
Sources of Recruitment
- General Population
-
- Volunteer enrolment
- Supplementary Information
-
Information about the participants was collected with the help of occupational health centers that were linked to selected companies and workplaces. The participants had to fill in a questionnaire and visit the respective occupational health care for a health examination. A total of 36 occupational health service units in the counties of Västernorrland (Sweden), and Jämtland (Sweden), were invited to take part in the study, and, of these, 33 accepted the invitation.
Sample Size
- Number of Participants
- 4,715
- Number of Participants with Biological Samples
- 4,715
- Supplementary information about number of participants
-
83% were male and 17% were female.
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | WOLF - WOLF-N - Baseline |
|
|
1996 (September) | 1998 (April) |
| 1 | WOLF - WOLF-N - follow-up 1 |
|
|
2000 (January) | 2002 (December) |
| 2 | WOLF - WOLF-N - Follow-up 2 |
|
2009 (January) | 2009 (December) | |
| 3 | WOLF- WOLF-N - Follow-up 3 |
|
2011 (January) | 2011 (December) |
WOLF - S
The study population is composed of individuals between the age of 15 to 65, employees at various companies served by diverse occupational health service units in Stockholm (Sweden).
Selection Criteria
- Minimum age
-
15
- Maximum age
-
65
- Countries
-
- Sweden
- Territory
- Stockholm
Sources of Recruitment
- General Population
-
- Volunteer enrolment
- Supplementary Information
-
Information about the participants was collected with the help of occupational health centers that were linked to selected companies and workplaces. The participants had to fill in a questionnaire and visit the respective occupational health care for a health examination. A total of 36 occupational health service units in the county of Stockholm (Sweden) were invited to take part in the study, and, of these, 33 accepted the invitation.
Sample Size
- Number of Participants
- 5,698
- Number of Participants with Biological Samples
- 5,698
- Supplementary information about number of participants
-
57% were male and 43% were female.
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | WOLF - WOLF-S - Baseline |
|
|
1993 (June) | 1998 (June) |
| 1 | WOLF - WOLF-S - Follow-up 1 |
|
2009 (January) | 2009 (December) | |
| 2 | WOLF - WOLF-S - Follow-up 2 |
|
2011 (January) | 2011 (December) |
Participating Studies
| Acronym | Name | Study design | Countries |
|---|
Harmonization Initiatives Included
| Acronym | Name |
|---|
Datasets
| Name | Data Collection Events | Variables |
|---|
Areas of Information Collected
- Socio-demographic and economic characteristics
- Death
- Lifestyle and behaviours
- Physical measures and assessments
- Birth, pregnancy and reproductive health history
- Laboratory measures
- Perception of health, quality of life, development and functional limitations
- Cognition, personality and psychological measures and assessments
- Diseases
- Life events, life plans, beliefs and values
- Symptoms and signs
- Preschool, school and work life
- Medication and supplements
- Social environment and relationships
- Non-pharmacological interventions
- Physical environment
- Health and community care services utilization
- Administrative information
Variables Content Summary
Areas of Information Collected
No Areas of Information Collected
No Scales Collected
Areas of Information Collected per per Population and Data Collection Event
No Areas of Information Collected
No Scales Collected
Networks
| Acronym | Name | Harmonization Initiatives | Individual Studies |
|---|
Last Update: 2023-08-10T18:18:53.806