This is the program for the 2010 Joint Statistical Meetings in Vancouver, British Columbia.

Abstract Details

Activity Number: 594
Type: Contributed
Date/Time: Wednesday, August 4, 2010 : 2:00 PM to 3:50 PM
Sponsor: Section on Survey Research Methods
Abstract - #307462
Title: Evaluating the Need for Purging Listed Business Phone Numbers
Author(s): Shaohua Sean Hu*+ and Brian F. Head and Lina Balluz
Companies: CDC and RTI International and CDC
Address: 4770 Buford Hwy, NE, Atlanta, GA, 30341,
Keywords: Telephone Survey ; Coverage error ; RDD ; Survey Methods
Abstract:

Response rates have declined significantly over the past two decades, while at the same time costs associated with conducting an RDD (Random Digit Dial) telephone survey have increased. These trends have resulted in the development of techniques aimed at increasing response rates and/or decreasing costs. Using RDD samples that are purged of business and nonworking telephone numbers is an important factor to consider in call productivity. Between 2006 and 2008 twenty-seven states/territories participating in the Behavioral Risk Factor Surveillance System (BRFSS) used the purging technique and 26 did not. We will use detailed call history data from 2006-2008 BRFSS surveys for these 53 states and territories to assess the effect purging business numbers has on productivity, coverage error, and cost/benefits. The implications of the findings to BRFSS operations will be discussed.


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