"health differences" is correct and can be used in written English.
Example: "The research showed that there are large health differences between people who live in urban and rural areas."
However, health differences among different groups of people are an objective reality.
As a result, the health differences among different SES groups grow close to each other.
As the level of wealth in an area improves, the health differences among different SES groups shrink.
Thus, more refined measures are needed in order to compare health differences between different social groups.
"Under the Affordable Care Act, [insurance companies] won't be able to charge different premiums because of health differences, but they can charge different premiums based on age, which is closely associated with health differences," Short says.
This study investigates whether significant differences occur due to age groups among the health differences of people with different SES.
In the meantime, we address whether health differences among people with different SES expand or shrink during the elderly stages.
Health disparities have been defined as "systematic, plausibly avoidable health differences that adversely affect socially disadvantaged groups" ([2], p. S151).
Health behaviours, smoking especially, were strongly contributed to educational health differences.
The concept of socio-economic health differences refers to the systematic differences in health between people with different positions in the social stratification.
These mental health differences are noted across the lifespan, including adolescents, and across the different PCOS phenotypes [ 19, 20].
