from the article:
” First, attitudes on race and immigration were crucial distinguishing characteristics of both Trump and Clinton switchers. The more racially conservative an Obama or third party voter was, the more likely they were to switch to Trump. Similarly, the more racially liberal a Romney or third-party voter was, the more likely they were to switch to Clinton.
Second, class was largely irrelevant in switching to Trump. Keeping racial attitudes constant, white working-class voters were not more likely to switch to Trump. The white working-class voters who did switch tended to score about as highly on measures of racial conservatism and anti-immigrant attitudes as wealthier switchers.”