The index was divided into three groups: higher social class, middle social class and lower social class.
Standard housing (high to middle classes) Middle density, high proportion of people qualified to degree level, young families and retired people.
Second, within the new towns themselves, the upper middle and high class occupied exclusively designed areas with the highest security possible.
Instead of marketing to the very low-end consumers like almost every PC company, Apple goes after the middle and high class.
The specific IgE levels were further subdivided into low, middle, and high class.
The specific IgE or RAST were also divided into subgroups: low, middle, and high class.
SES was based on the father's occupation, which was categorized into five classes "non-manual work high (class I)", "non-manual work middle (class II)", "non-manual low and farmers (class III)", "manual work high/middle (class IV)" and "manual work low (class V)".
Compared to the higher classes, the middle class also had stronger motivation to migrate in order to increase their developmental opportunities.
As inflation and the cost of living have risen higher and higher, middle class wages have remained stagnant.
*Socioeconomic status: lower (lower class, lower middle class), middle (middle middle class), upper (higher middle class, upper class), other (none of the above or missing).
