A City Guide To Huaiyuan Chengguanzhen for and Willemsen, G The influence of low job control on ambulatory blood pressure and perceived stress over the working day in men and women from the Whitehall II cohort. Journal of Hypertension, The Whitehall study again, this time showing a relationship between low job control but not high job demands and blood pressure during the day. Visit the website at www.pearsoned.co.uk/morrison for additional resources to help you with your study, including multiple choice questions, weblinks and flashcards. WEB Learning outcomes By the end of this chapter, you should have an understanding of n how to define and describe health behaviour n what health behaviours are associated with elevated disease risk n the range and complexity of influences upon the uptake and maintenance of health-risk behaviour n some of the challenges facing health behaviour research Health-risk behaviour H – R I S K What is health behaviour? Kasl and Cobb a defined health behaviour as any activity undertaken by a person believing themselves to be healthy for the purposes of preventing disease or detecting it at an asymptomatic stage’. A City Guide To Huaiyuan Chengguanzhen 2016.