Describes the national sample design for the fifth and sixth rounds of the surveys.

This working paper presents methodological findings from the latest round of the Health Tracking Household Survey, which added a cell phone sample to the existing landline sample of random telephone numbers to increase the coverage of the U.S. population.

This issue brief compares the 2011 and 2010 data collection cycles for the National Survey of Substance Abuse Treatment Services (N-SSATS), an annual multimode establishment survey of more than 17,000 substance abuse treatment facilities in the United States, to determine whether a new data...

This issue brief compares the 2011 and 2010 data collection cycles for the National Survey of Substance Abuse Treatment Services (N-SSATS), an annual multimode establishment survey of more than 17,000 substance abuse treatment facilities in the United States, to determine whether a new data...

Discusses nonresponse, focusing on respondents who cannot be located, for several list frame surveys and reviews the importance of accurate contact data.

Prescriptions ordered by physicians but not picked up by patients offer an opportunity for quality improvement in health systems. In the military system, prescriptions filled at military pharmacies are dispensed with no co-payment, providing an opportunity to examine factors other than...