Percentage of U.S. 18-29 year olds who have health insurance coverage 2009, by health

In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls.
* Young adults who are considered to have health issues meet one of the following criteria: rate their overall health as fair or poor, report they have some health problem, or say that poor health kept them from their usual activities for more than five days in the past month. Young adults who are considered to be in good overall health meet all of the following criteria: rate their health as excellent, very good, or good, say they have no health problems, and report that poor health kept them from their usual activities for less than five days in the past month.