Three types of benefit plan changes could be on the horizon at about half of large and midsize U.S. employers.

Colonial Life & Accident Insurance Company, Columbia, S.C., a unit of Unum Group Corp., Chattanooga, Tenn. (NYSE:UNM), has reported that finding in a summary of results from a survey of about 750 human resources managers and benefits administrators who attended the annual conference of the Society for Human Resource Management (SHRM), Alexandria, Va.

About 70% to 75% of the SHRM members who respond to SHRM polls with results posted online work for organizations with 100 or more employees.

Colonial Life, a major player in the voluntary benefits market, asked the conference attendees how likely their employers are to add voluntary benefits, increase employees’ share of health insurance premiums and increase employees’ health insurance deductibles or co-payments in the coming year.

About 49% said their employers are planning to add voluntary benefits, 51% are planning to increase employees’ health insurance premiums, and 49% are planning to increase employees’ health insurance deductibles, co-payments or both.

- Allison Bell

Other voluntary benefits coverage from National Underwriter Life & Health: