"Overall for small businesses, those with under 100 employees, total health insurance spending would be reduced by 1.4 percent. Only mid-size businesses, which the study defines as having 101 to 1,000 employees, would see a 4.6 percent increase in costs-per-insured-person. Since most large businesses (more than 1,000 employees) currently provide health insurance for their workers, the law would increase their costs by 4.3 percent, due mostly to somewhat higher employee enrollment rates because of an increase in the number of workers and dependents who will get coverage."