Date of filling in this questionnaire or last update: 23/06/2021
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
 

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