Table 1

Overview of variables that will be requested from eligible studies

Variable groupVariablesRelevant details
Predicting variables
  • Occupational physical activity

  • Leisure-time physical activity

Self-reports. If possible, frequency, duration and intensity of physical activity will be considered.
Socioeconomic status
  • Education level

  • Occupational class

  • Income

Primary outcomes
  • All-cause mortality

Time to occurrence, ascertained by national or local registers.
Secondary outcomes
  • Cardiovascular mortality Cardiovascular diseases in general

  • Specific cardiovascular diseases (eg, ischaemic heart disease, myocardial infarction or stroke)

Time to occurrence, ascertained by national or local registers or self-reports.
Pre-existing conditions
  • Adiposity (eg, body mass index, waist circumference or fat percentage)

  • Blood pressure and/or hypertension

  • Blood lipids, cholesterol and/or glucose

  • Cardiorespiratory fitness

  • Self-reported health

  • Other non-communicable diseases (eg, diabetes, cancer, pulmonary diseases, mental health condition)

Other relevant factors
 Demographic factors
  • Gender

  • Age

  • Ethnicity

  • Marital status

 Behavioural factors
  • Smoking

  • Alcohol use

  • Diet (eg, consumption of fruit and vegetables, sweets, snacks and sugary drinks)

  • Sleep

  • Coffee use

  • Other (eg, transport and/or household) domains of physical activity

 Psychosocial factors
  • Stress

  • Social support

  • Psychosocial work demands (eg, decision authority, effort–reward imbalance, job strain)

 Material factors
  • Healthcare utilisation

  • Medication use

  • Neighbourhood conditions