Working overtime is bad for the heart according to results from a long-running study following more than 10,000 civil servants in London (UK): the Whitehall II study.
The research, which is published online today (Wednesday 12 May) in the European Heart Journal , found that, compared with people who did not work overtime, people who worked three or more hours longer than a normal, seven-hour day had a 60% higher risk of heart-related problems such as death due to heart disease, non-fatal heart attacks and angina.
Dr Marianna Virtanen, an epidemiologist at the Finnish Institute of Occupational Health, Helsinki (Finland) and University College London (UK), said: “The association between long hours and coronary heart disease was independent of a range of risk factors that we measured at the start of the study, such as smoking, being overweight, or having high cholesterol.
For those interesting, the paper this is based on are…
- "Overtime work and incident coronary heart disease: the Whitehall II prospective cohort study.", by Marianna Virtanen, Jane E. Ferrie, Archana Singh-Manoux, Martin J. Shipley, Jussi Vahtera1, Michael G. Marmot and Mika Kivimäki
- "Overtime is bad for the heart"