The 2002 National Survey of America's Families (NSAF) had both a telephone and an in-person protocol. This report focuses on the telephone protocol. The telephone component of the NSAF 2002 used a list-assisted method to select the random digit dialing (RDD) sample of telephone numbers and computer-assisted interviewing (CATI) for screening and interviewing. The sample was selected separately for each study site and for the balance of the nation. Telephone households were subsampled, with the subsampling rates depending upon the presence of children in the household and responses to income screening questions. All households with children that were classified as low-income households were sampled, while higher income households with children and all households without children (but with someone under 65) were subsampled.
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