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Article
June 1995

Importance of Sampling Frame in Physician Surveys-Reply

Author Affiliations

Department of Pharmacy Practice M/C 886 College of Pharmacy University of Illinois at Chicago 833 S Wood St Chicago, IL 60612-7230
Chicago

Arch Pediatr Adolesc Med. 1995;149(6):706. doi:10.1001/archpedi.1995.02170190115025
Abstract

We agree that inclusion of pediatricians who are not members of the AAP and family physicians is important for surveys that examine issues relevant to the care of children. As we previously stated in our article, including only AAP members may have influenced the results of our survey.1 At the time our study was conducted, results of the follow-up study by Freed et al2 were not available. Their study demonstrated differences between AAP members and nonmembers with respect to agreement and adoption of universal hepatitis B immunization. In the state of Illinois, 81% of board-certified pediatricians are AAP members (Laurie Hall, oral communication, October 19, 1994). This value is similar to the percentage of pediatrician respondents who were AAP members in the follow-up study by Freed et al2 (82%). While we agree that AAP nonmembers may immunize infants and children, our survey results of AAP

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