Employers are paying more to cover worker sick time, survey saysSick leave policies, or lack thereof, can have a profound impact on worker health and productivity.One in five U.S. employees say they don’t receive paid sick leave, a new survey of 700 working people conducted by benefit platform ZenPayroll finds. And nearly half of them think that, due to the lack of paid sick time, they are more likely to go to the emergency room for a cold or flu than a friend