Table 1

Baseline demographic characteristics and CVD risk factors according to occupational PA categories

Occupational PAP value
Low (n=1343)Intermediate (n=1227)High (n=1104)
Age, years (SD)42.8 (9.1)39.9 (8.9)39.6 (9.2)<0.0001
Cohort type, %
 Population-based42.133.043.0<0.0001
 Factory-based57.967.057.0
Occupational class, %
 Executives20.78.35.6<0.0001
 Non-manual and manual workers79.391.794.4
Educational class*, %
 Low22.535.855.8<0.0001
 Intermediate32.236.127.7
 High45.428.116.5
Body mass index, kg/m226.226.426.50.13
Total cholesterol, mg/dL217.3217.0214.40.15
HDL cholesterol, mg/dL48.249.749.70.004
Total cholesterol/HDL cholesterol4.804.664.600.001
Systolic BP, mm Hg145.4145.1144.50.56
Diastolic BP, mm Hg99.199.097.80.14
Antihypertensive treatment, %6.35.05.20.32
Hypertension†, %63.563.562.50.90
Current smoking, %34.540.141.40.001
Diabetes, %2.821.312.930.03
Alcohol intake*, %
 None36.834.332.70.003
 Moderate (<50 gr/die)56.958.657.4
 High (>50 gr/die)6.37.19.9
Sport PA*, %
 Poor64.069.177.7<0.0001
 Intermediate21.718.413.4
 Recommended14.312.58.9
  • Men aged 25–64 years, free of CVD and current employed at baseline (n=3574). Age-adjusted mean (prevalence) at the age of 45 years, from linear (logistic) regression models.

  • *Prevalence estimated from a generalised logits model.

  • †Systolic BP ≥140 mm Hg or diastolic BP ≥90 mm Hg or under antihypertensive treatment.

  • BP, blood pressure; CVD, cardiovascular disease; HDL, high-density lipoprotein; PA, physical activity.