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Date of filling in this questionnaire or last update: 30/10/2020
1. IDENTIFICATION & BASIC DESCRIPTION
Cohort name
  The Northern Swedish Cohort
Country
 

  • Sweden
Please provide any other information on the cohort location/s if needed
  Selection of all pupils in the last year of compulsory school in the largest municipality of Northern Sweden
Name
  Anne Hammarström
Institution
  IMM
Email
  anne.hammarstrom@ki.se
Personal website
  https://staff.ki.se/search?q=Anne+Hammarstr%C3%B6m
Website
 

  • https://staff.ki.se/search?q=Anne+Hammarstr%C3%B6m
Name of committee
  Etikprövningsmyndigheten
Or provide website
 

  • https://ki.se/en/imm/the-northern-swedish-cohort
Contact Principal Investigator (name)
  Anne Hammarström
Data access policy (briefly describe)
  After ethical approval, an application should be sent to the PI for consideration.
Participation in pooled analyses
 

  • The cohort is potentially interested in participating in pooled analyses of (European) occupational cohort studies (note pooled analyses also includes remote decentralized analyses that would not require any transfer of primary data as well as meta-analyses).
Main aim of cohort, please briefly describe the main objectives of the cohort
  The importance of life circumstances for health development over the life course
Study design (please select as many as appropriate)
 

  • Prospective cohort
Source population (please select as many as appropriate)
 

  • General population: National
Comparators (please select as many as appropriate)
 

  • Internal study population
Inclusion criteria
  All pupils in the last year of compulsory school in a municipality
Exclusion criteria
  No
Enrollment
  Ongoing
Age range at entry (main cohort)
 

Minimum Maximum Mean
15 17 16

Children (<18 years) at enrollment
  -
Men at last follow-up
  522
Women at last follow-up
  488
Participation rate at enrollment (if known)
  94
2. OUTCOME FOLLOW-UP
Type of data for outcome follow-up (please select as many as appropriate)
 

  • Active (contact with participants)
  • Use of registers (specify)
First follow-up period (provide year)
  1981
Last follow-up period (provide year)
  Ongoing
Number of follow-ups after baseline (provide number)
  Five
Participation at last follow-up (if known)
  94
3. OCCUPATIONAL EXPOSURES
Source of exposure data collected (please select as many as appropriate)
 

  • Questionnaire, Personal (Self-reporting or interview)
  • Registry-based
Occupational history/time frame
  Lifetime
Occupational coding performed
  Yes
Occupation (specify coding system used)
 

  • Nordic occupation classification
Types of exposure measurements
 

  • Personal external sampling
Methods for exposure assessment (please select as many as appropriate)
 

  • Job Exposure Matrix
  • Self-report
Main categories
 

  • Ergonomics, physical workload, and injury related
  • Psychosocial domains
  • Organisation of work including working time
Ergonomics, physical workload, and injury related
 

  • Physical work load (e.g. heavy lifting of people or objects, pushing/pulling)
  • Sedentary work
Psychosocial domains | Job task characteristics/organization of work
 

  • Job control, autonomy
  • Psychological job demands
  • Role conflict/ambiguity/clarity
  • Social support at work from supervisors
  • Skill use opportunities
  • Work engagement
Organisation of work including working time | Employment conditions
 

  • Contract duration
  • Job insecurity
  • Size of the workplace and company
  • Work contract type (i.e. permanent, term-contract, subcontract, temporary)
Organisation of work including working time | Shift work
 

  • Night (permanent or rotating)
  • Rotating (not night)
  • Regular/variable
Organisation of work including working time | Working hours
 

  • Duration
  • Regular/variable
4. OUTCOMES EVALUATED
Baseline - type of outcome data collected (select more than one if applicable)
 

  • Clinical/functional evaluation, e.g. spirometry, ECGs (specify)
  • Questionnaire, individual (self-recording or interview)
  • Registry-based
Registry-based
 

  • Birth register
  • Employment status
  • Medication usage
  • Other
Specify: Other
  sick-leave
Follow-up - type of outcome data collected (select more than one if applicable)
 

  • Biomarker (specify)
  • Clinical/functional evaluation, e.g. spirometry, ECGs (specify)
  • Questionnaire, individual (self-recording or interview)
  • Registry-based
Registry-based
 

  • Birth register
  • Employment status
  • Medication usage
  • Other
Outcome type (please select as many as appropriate)
 

  • Morbidity
Diagnostic groups based on ICD10
 

  • A Bacterial infectious disease, type of microorganisms*
  • B Viral infections, type of microorganisms*
  • B99 Other and unspecified infectious diseases, type of microorganisms*
  • C + D Neoplasms
  • D Diseases of blood and blood-forming organs excl. leukemia
  • E Endocrinological disease
  • E Malnutrition and obesity
  • E Metabolism disease
  • F Mental disorders
  • G Disease in the nervous system
  • H Disorders of the eye
  • H Disorders of the ear
  • I Heart disease
  • I Cerebrovascular diseases
  • J Respiratory disease
  • K Diseases of oesophagus, stomach, duodenum and appendix
  • K Hernia, colon and intestine disease
  • M Arthritis, arthrosis, systemic connective disorders, spine disorders
  • M Disorders of muscles, bones, synovialis, bursa, cartilage
  • N Kidney, renal pelvis disease
  • N Male and female related disorders
  • O+P Pregnancy and labour
  • S Injuries
5. BIOLOGICAL SAMPLES & ANALYSIS
Biological samples collected
 

  • Blood
  • Sputum
Biological processing
 

  • DNA
  • RNA
Genetic and other lab analyses
 

  • Biomarkers (specify)
6. Other Information
Possibility for linkage to data registries/data enrichment via data linkage
 

  • Cancer incidence
  • Disease specific clinical database
  • Employment status
  • Hospital discharge
  • Medication usage
  • Migration
  • Mortality register