Health insurance premiums have risen yet again--increasing employer and worker insurance costs, according to the 2013 Employer Health Benefits Survey, released Tuesday. But it doesn’t appear that employers are dropping coverage. 

The Kaiser Family Foundation (Kaiser) and the Health Research & Educational Trust (HRET) conducted the annual survey from January through May of 2013, tracking changes in the coverage offered by businesses to their employees. 

The percentage of the number of companies offering coverage has remained statistically unchanged, with 57 percent of small firms (3-199 workers) insurance to their employees. The largest changes can be seen in increased premiums and changes in the amount contributed toward premiums by employers. 

Most employers require their employees contribute a certain amount to the cost of the premium, and the survey found that employees at smaller firms on average contributed a lower percentage to single coverage plans than employees at larger companies, though the inverse was true for family coverage plans.  

More workers at small firms are getting hit with higher deductibles. There was an increase in the percentage of workers enrolled in plans with deductibles. More than half (58 percent) of workers at small firms have deductibles of at east $1000 dollars. 

The survey does conclude that though few changes in coverage were seen this year, there may be more over the coming years as the changes from the healthcare reform act take effect and impact such numbers to a greater extent.