H ypertension is a leading risk factor for cardiovascular mortality worldwide and has several known risk factors, such as obesity, smoking, and excessive alcohol or salt intake.1 However, most patients with hypertension lend great importance to psychological stress in the regulation of blood pressure (BP) and in the need for taking antihypertensive drugs.2 Although acute psychological stress is associated with a transient BP elevation, 3 epidemiological studies do not consistently show chronic psychological stress to affect BP in the long term.4 Some studies found positive associations between psychological stress and hypertension, 5,6 whereas others showed no 7,8 or even negative associations.
9,10Reasons for these conflicting results can be potentially attributed to differences in the evaluation of psychological stress (eg, objective measures versus subjective measures) or outcomes (eg, BP threshold values, use of antihypertensive drugs). As regards psychological stress, objective measures quantify the exposure to several kinds of stressors (eg, stressful life events, occupational stress), whereas subjective measures, such as perceived stress, quantify the psychological Abstract-Although lay beliefs commonly relate high blood pressure (BP) to psychological stress exposure, research findings are conflicting. This study examined the association between current perceived stress and high BP, and explored the potential impact of occupational status on this association.