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An Investigation of PSU Cutoff Points for a Random Digit Dialing Survey

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RR84-25

Introduction

Because of rising survey costs and Federal Government budget cuts in recent years, there has been increasing interest at the Census Bureau in additional use of telephone interviews. In particular, the National Center for Health Statistics (NCHS) and the Census Bureau are investigating the possibility of using dual-frame sampling for the National Health Interview Survey (NHIS), in which the primary frame would be a telephone frame based on an AT&T tape file of the first six digits (area code-exchange prefixes) of all telephone numbers in the U.S. The secondary frame would be an area frame needed to cover the approximately 7 percent of U.S. residences that do not have telephones.

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Page Last Revised - October 28, 2021
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