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