low wage job benefit packages ?

"..... Almost half of private-sector workers in the bottom fourth of the wage distribution in 2010, for example, had no paid vacations. In the same year, about 68 percent of private-sector workers in the bottom fourth of the wage distribution had no paid sick days, compared to only about 11 percent of workers in the top fourth.29 In the U.S. context, however, probably the most critical problem facing low-wage workers is the lack of access to health care. Rho and Schmitt estimate that in 2008, more than half (54 percent) of workers in the bottom wage quintile did not have employer-provided health insurance and more than one-third (37 percent) had no health insurance of any kind, private or public.30 The 37 percent non-coverage rate for the bottom quintile of wage earners in 2008 was up from 15 percent in 1979. "