2020

1. IDENTIFICATION & BASIC DESCRIPTION Cohort name   Cold and Health in Northern Sweden Country   Sweden Name   Albin Stjernbrandt Institution   Public Health and Clinical Medicine, Umeå University Email   albin.stjernbrandt@umu.se Phone   +46907859952 Website   www.chins.nu Name of committee   Swedish Ethical Review Authority Upload files   CHINS3-2021.pdf CHINS2-2015.pdf CHINS1-2015.pdf Contact Principal Investigator (name)   Albin Stjernbrandt 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   To identify adverse health effects with relation to occupational and leisure-time cold exposure. Study design (please select as many as appropriate)   Prospective cohort Nested case-control / Case-cohort Source population (please select as many as appropriate)   General population: Regional Industry / occupation-based Comparators (please select as many as appropriate)   Internal study population Inclusion criteria   Living in the for northernmost counties of Sweden Exclusion criteria   Lacking postal adress Enrollment   Ongoing Age range at entry (main cohort)   Minimum Maximum Mean 18 70 51 Age range at entry (subcohort)   Minimum Maximum Mean Please describe 18 70 53 Cases with Raynaud's phenomenon Men at enrollment   5741 Women at enrollment   6886 Children (<18 years) at enrollment   0 Men at last follow-up   2293 Women at last follow-up   2674 Children (<18 years) at last follow-up   0 Participation rate at enrollment (if known)   36 2. OUTCOME FOLLOW-UP Type of data for outcome follow-up (please select as many as appropriate)   Active (contact with participants) Active (contact with participants) (specify)   Neurovascular hand symptoms, airway symptoms, pain in different body parts etc. First follow-up period (provide year)   2015 Last follow-up period (provide year)   2021 Number of follow-ups after baseline (provide number)   2 Participation at last follow-up (if known)   44 3. OCCUPATIONAL EXPOSURES Source of exposure data collected (please select as many as appropriate)   Questionnaire, Personal (Self-reporting or interview) Occupational history/time frame   Current, at enrollment Occupational coding performed   Yes Occupation (specify coding system used)   ISCO 08 Types of exposure measurements   Other (specify) Specify: Other   Subjective assessment Methods for exposure assessment (please select as many as appropriate)   Expert assessment Job Exposure Matrix Self-report   Other Specify: Job Exposure Matrix / Other   Based on occupational code Main categories   Physical agents Ergonomics, physical workload, and injury related Psychosocial domains Organisation of work including working time Physical agents   Cold Hand-arm vibration Noise Whole body vibration Ergonomics, physical workload, and injury related   Awkward work postures (e.g. kneeling/squatting, elevated arms, neck flection, back bent forward without support) Physical work load (e.g. heavy lifting of people or objects, pushing/pulling) Repetitive work movements Sedentary work Standing work Psychosocial domains | Job task characteristics/organization of work   Other (specify) Psychosocial domains | Job task characteristics/organization of work | Specify: Other   Stress Physical agents | Work/non-work interface   Work-family (work-home) interface/conflict/balance Organisation of work including working time | Employment conditions   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 4. OUTCOMES EVALUATED Baseline - type of outcome data collected (select more than one if applicable)   Questionnaire, individual (self-recording or interview) Follow-up - type of outcome data collected (select more than one if applicable)   Questionnaire, individual (self-recording or interview) Outcome type (please select as many as appropriate)   Morbidity Disability Diagnostic groups based on ICD10   G Disease in the nervous system J Respiratory disease M Arthritis, arthrosis, systemic connective disorders, spine disorders M Disorders of muscles, bones, synovialis, bursa, cartilage G Disease in the nervous system   Nerve root and plexus disorders Carpal tunnel syndrome Other mononeuropathies Polyneuropathies and other disorders of the peripheral nervous system J Respiratory disease   Chronic Bronchitis Emphysema Chronic obstructive pulmonary disease (COPD) Asthma M Arthritis, arthrosis, systemic connective disorders, spine disorders   Other arthrosis Spine disk disorders Lumbago with sciatica Low back pain M Disorders of muscles, bones, synovialis, bursa, cartilage   Rotator cuff syndrome Impingement syndrome of shoulder Medial epicondylitis Lateral epicondylitis Other health related outcomes   Quality of life/wellbeing Sickness absence Work participation 6. Other Information   Anthropometry Demographics Medical history Smoking