1 Quantitative research and the body mass index

Figure 2 The social determinants of health (adapted from Dahlgren and Whitehead, 1991, cited in Dahlgren and Whitehead, 2021)

Health and wellbeing are influenced by many aspects of our everyday lives. The food we eat, how active we are, the amount of sleep we get, and the ways we manage stress can all play a role. While lifestyle is often linked to personal choices, our behaviours are also shaped by a range of social, environmental and economic factors. In this section, you’ll reflect on your own lifestyle and explore how researchers study the relationship between lifestyle and health, including how lifestyle factors can contribute to obesity.