five basic person items. We also computed these statistics for the 2000 census records in the A.C.E. E-sample and for the records in the independent P-sample. Table 7.2 provides these data from all three sources; the E-sample percentages exclude whole-household and whole-person imputations, as well as reinstated cases from the special Master Address File (MAF) unduplication operation, which could not be matched to P-sample cases.

More P-sample persons answered all five items—95 percent—than did census persons—87 percent (the corresponding figure for the E-sample—data not shown—is 89 percent). This result is not surprising because the interviewing for the P-sample was more carefully controlled than was the census enumeration. However, the census and the P-sample were much closer in the percentage of respondents who answered at least four items (97.6 percent P-sample, 96.1 percent 2000 census). The most commonly omitted basic items in the census were age and ethnicity (data not shown).

Rates of answering all five basic person items in the census varied by whether the household responded for itself or answered to an enumerator (Table 7.2, panel A). Members of self-responding households (mail, Internet, telephone, Be Counted) were more likely to answer all five items (90 percent) than were members of households visited by enumerators (79 percent). By the race/ethnicity and housing composition of the A.C.E. block cluster (Table 7.2, panel B), household members living in white and some other race owner and renter block clusters were most likely to answer all five questions (92 and 89 percent, respectively); household members living in Hispanic renter block clusters were least likely to answer all five questions (77 percent). These data are from the A.C.E. E-sample and underestimate the extent of nonresponse in the census; in contrast, the P-sample achieved a high level of reporting of all five basic person items for all neighborhood types—92 to 95 percent.

7–B.3 Consistency of Responses to Basic Items

Comparing census cases in the E-sample that matched P-sample cases revealed low rates of inconsistent reporting of basic items for the household population as a whole. Thus, 4.7 percent of matched cases (unweighted) had conflicting values for housing tenure; 5.1



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