Perceived stress | p for trend | ||||
---|---|---|---|---|---|
Low n=1765 | Medium n=2912 | High n=711 | |||
Proportion smoking >20 cigarettes daily (%) | 18 | 21 | 26 | <0.001 | |
Proportion consuming >15 units of alcohol weekly (%) | 27 | 29 | 29 | 0.020 | |
Proportion taking <3 hours exercise weekly (%) | 19 | 19 | 26 | 0.005 | |
Proportion with body mass index >25 kg/m^{2} (%) | 53 | 50 | 46 | 0.004 | |
Proportion with diastolic blood pressure ⩾ 90 mm Hg (%) | 26 | 25 | 23 | 0.10 | |
Proportion with plasma cholesterol >5.5 mmol/l (%) | 60 | 62 | 60 | 0.66 | |
Proportion with FEV_{1} <90% of predicted value (%) | 40 | 37 | 37 | 0.58 |
Standardisation by the direct method for age and occupational class.