Cox regression models for main activity while at work and cardiovascular mortality in men and women aged ≥40 years combined who were in employment at baseline (n = 10,834).

†Model 1: adjusted for age and sex; Model 2; also adjusted for waist circumference, self-reported general health, psychological health, frequency of alcohol intake, cigarette smoking, MET-hours/week of non-occupational physical activity, prevalent cardiovascular disease at baseline (angina/stroke/ischaemic heart disease), prevalent cancer at baseline; Model 3: also adjusted for occupational social class (I/II, IIINM, IIIM, IV/V) and age finished educations (15 years of age or less; 16; 17–18; 19 and over).‡p-values in brackets correspond to the trend in the cox models when the main activity at work variable is entered in its original form with 3-categories (sitting/standing/walking about).