Breadcrumb Home UI study shows 3 percent of Iowa children lack insurance Wednesday, July 17, 2013 CNBC http://www.kcrg.com/news/local/Study-3-Percent-of-Iowa-Children-Lack-Insurance-… A new UI Public Policy Center study says that 3 percent of Iowa children do not have health insurance, one of the lowest rates in the nation that could nonetheless be improved.