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. 2014 Mar 10;43(6):1736–1749. doi: 10.1093/ije/dyu021

Box 1.

Summary of measurements collected during the baseline assessment
Demographic data
    Computer-assisted personal interview (CAPI)

  • Sex

  • Family status

  • Nationality

    Health insurance data

  • Age

  • Sex

  • Zip-code

  • Insuree’s status and length of time with insurance

Socioeconomic data
    Computer-assisted personal interview (CAPI)

  • Education

  • Household composition

  • Income

  • Profession

    Data from the Federal Employment Agency (Integrated Employment Biographies, IEB)

  • Employment and unemployment biography

  • Employment changes

  • Unemployment, job seeking

  • Participation in employment and training measures

  • Daily wage, occupation, education and job characteristics

    Health insurance data

  • Job title

  • Education

  • Employer’s branch of industry

Employer information
    Data from the Federal Employment Agency (Establishment History Panel, BHP)

  • Size of enterprise

  • Employer's branch of industry

  • Distribution of employees by gender, age, educational and vocational qualification and wage structure of full-time employees

  • Turnover by sub-groups

Area-level indicators
    Data from the Federal Employment Agency (aggregated data)

  • Regional unemployment rate

  • Regional comparison types

Psychosocial work environment
    Computer-assisted personal interview (CAPI)

  • Efforts, rewards (Effort-Reward Imbalance questionnaire, ERI)28

  • Demand, control, influence, possibilities for development (COPSOQ)29

  • Support, quality of leadership, social network (COPSOQ)29

  • Organisational change, job insecurity (COPSOQ)29

  • Age discrimination, harassment and working hours

Physical work exposure
    Computer-assisted personal interview (CAPI)

  • Standing, sitting, kneeling, lying, overhead lifting, carrying

  • Cold, heat, moisture, dampness, draughts, noise, stooping and squatting

Individual work and non-work factors
    Computer-assisted personal interview (CAPI)

  • Work ability (Work Ability Index item 2, WAI)30

  • (Over)commitment (Effort-Reward Imbalance questionnaire, ERI)28

  • Work motivation and meaning of work (Job Diagnostic Survey, JDS)31

  • Intent to leave (employer, profession or work)

  • Relevance of status maintenance (loss-work trade-off)

Health-related behaviour
    Computer-assisted personal interview (CAPI)

  • Smoking

  • Physical activities during leisure time

Other exposure
    Computer-assisted personal interview (CAPI)

  • Household liabilities

  • Household chores

Biometric information
    Computer-assisted personal interview (CAPI)

  • Height and weight

Health and morbidity data
    Computer-assisted personal interview (CAPI)

  • Self-rated health (Short Form-12 Health Survey, SF-12)32

  • Functional ability

  • Health promotion activities and rehabilitation

  • Depression (Beck Depression Inventory-V, BDI-V,33 paper & pencil drop-off questionnaire)

  • List of disease groups

  • Pain (Nordic Musculoskeletal Questionnaire)34

  • Sleep quality

  • Sickness absence

  • Objective indicator: hand grip strength

    Health insurance data

  • Outpatient and inpatient treatments (OPS and DRG coded)

  • Medical diagnoses (inpatient and outpatient, ICD coded)

  • Sickness absence (spells and days/year)

  • Outpatient drug prescription (ATC coded)

  • Treatments/remedies received

ATC, Anatomic Therapeutical Chemical classification system; DRG, Diagnosed Related Groups; ICD, International Classification of Diseases; OPS, Operationen- und Prozeduren-Schlüssel (German adaption of the International Classification of Procedures in Medicine, ICPM).