revision preference src: Clinton pertained to socioeconomic class. Clinton won all levels of family income except highly affluent voters making $200,000 or more a year, as they backed Obama by a narrow margin of 53 -- 47 percent. <SEP> tgt: Pertaining to socioeconomic class, Clinton won all levels of family income except highly affluent voters making $200,000 or more a year, as they backed Obama by a narrow margin of 53 -- 47 percent.