Groups of Australians differ in health because they live with different mixes of factors, from income and housing down to blood pressure. Each factor belongs to a type, and each one leads to a health outcome. Raise the number of factors sorted and watch where each one lands, then switch the lens.
Add factors one at a time. Read the lane each one lands in.
Lanes run from upstream (top) to downstream (bottom). The newest factor is filled; earlier ones are outlined.
Which lens?
Groups differ in health because they live with different mixes of sociocultural, environmental and biological factors, and the upstream ones such as income, education and housing shape the downstream ones.