Health insurance premiums at large employers rose an average 3.3 percent this year—the lowest rate in a decade—but are expected to increase much more next year, according to an analysis released Thursday.
It also found that though premium inflation had slowed significantly, the average cost to employees for out-of-pocket expenses spiked by nearly 13 percent, continuing a trend that has seen employees' share of total health-care costs jump 150 percent since 2004.
Aon Hewitt, which conducted the survey of 516 large American employers, found that nearly 30 percent of them plan to move into a private health exchange over the next three to five years to help control health-care costs for workers as well as offer them more choice.
(Read more: Sign of things to come? IBM, Time benefits changes)