Answer:
occupation status/education/evenly distributed
Step-by-step explanation:
In simple words, The Black Study , released in 1980, reported that on a society wide basis health inequalities in total mortality (but most mortality rates) and found that health disparities have expanded.
The study revealed in considerable detail the nature of the uneven distribution of ill-health as well as mortality among the population of Britain and indicated that these differences had increased rather than decreased since the formation of an national health System in 1948.