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The Commonwealth Fund Health Insurance Tracking Survey of U.S. Adults, 2011

Country: United States

Survey Organization: Knowledge Networks

Field Dates: June 24, 2011–July 5, 2011

Sample: A nationally representative sample of adults ages 19 to 64

Sample Size: The survey was completed by 2,134 respondents. The final sample includes 977 low-income adults who have incomes below 250 percent of the federal poverty level ($55,875 for a family of four). The survey has an overall margin of sampling error of +/– 3 percentage points at the 95 percent confidence level.

Interview Method: The survey sample was drawn from KnowledgePanel—a probability-based online panel that is representative of the U.S. population and includes cell-phone only and low-income households that are typically difficult to reach using traditional telephone surveys and random digit dialing (RDD) sampling.

This publication is one in our ongoing series on Special Populations

Publication Details

Publication Date: February 7, 2012