That's interesting b/c I see it very obviously in mine with the partial exception of myself. The more professional and private sector their job or spouse, the more conservative they are. E.g a real estate lawyer is conservative, a lawyer for the state is liberal, a software engineer is a communist, and the musicians are libertarians or socialist-lite.
Professional or artisanal work are petit bourgeois positions, so are flexible in their outlook regardless of income.
If they own their own land or equipment it makes more sense. It's their relationship to production that is the driving force, but if they are not self-employed and don't own their own equipment it is a little more of an interesting situation.
Professional or artisanal work are petit bourgeois positions, so are flexible in their outlook regardless of income.