The Whitehall II Study finds overtime work is related to increased risk of incident coronary heart disease independent of conventional risk factors.
References
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Organisation for Economic Co-operation and Development. (2004). Recent labour market developments and prospects special focus on: Clocking in (and out). Several facets of working time. OECD employment outlook. Retrieved from www.oecd.org/dataoecd/8/5/34846847.pdf
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VirtanenM.FerrieJ.Singh-ManouxA.ShipleyM. J.VahteraJ.MarmotM. G.KivimaM. (2010). Overtime work and incident coronary heart disease: The Whitehall II prospective cohort study. European Heart Journal. doi:10.1093/eurheartj/ehq124