Measuring the Group Quarters Population in the American Community Survey Interim Report (2010) / Chapter Skim
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2 Sampling Frame Development and Maintenance
2 Sampling Frame Development and Maintenance
Pages 9-18
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From page 9... ...
As feasible, the Census Bureau also relies on military liaisons to update the list of military GQ facilities. Information about the group quarters selected into the sample is further updated with data obtained from field representatives, who complete a Group Quarters Facility Questionnaire during their initial visit to a facility.
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From page 10... ...
Many state partners supply information related to group quarters in a variety of nonuniform formats, and they could possibly be doing more to assist the ACS program needs if efforts were better coordinated across the different Census Bureau units. Recommendation 2-1: The Census Bureau should establish a mechanism for ensuring that information useful for the updating of living quarters, especially GQ living quarters, from existing state and local partnerships is more efficiently shared among different Census Bureau divisions and programs.
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From page 11... ...
The National Center for Education Statistics collects data from students, including residents of college dorms. The data collected by these agencies, and possibly others, may be useful to complement the Census Bureau's efforts to maintain and update the sampling frames for certain types of group quarters, especially given that the Census Bureau often serves as the data collection contractor for other agencies sponsoring studies of these populations.
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From page 12... ...
The ACS also classifies some GQ types as permanently out of scope and excludes them from the sampling universe because of operational limitations, privacy concerns, and legal requirements, which are different for a continuous survey than for the census. The excluded GQ types are domestic violence shelters, soup kitchens, regularly scheduled mobile food vans, targeted nonsheltered outdoor locations, crews of commercial maritime vessels, and natural dangerous encampments.
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From page 13... ...
As discussed later, sampled GQ facilities are randomly assigned an interview month throughout the course of the year, and the same facility may be in the sample during more than one month. Table 2-1 summarizes the distribution of the main GQ-level outcome codes for those included in the 2008 ACS sample based on an internal evaluation of the sampling frame conducted by the Census Bureau (Williams, 2010)
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From page 14... ...
The significant effort spent in the field pursuing GQ facilities that cannot lead to interviews warrants a closer look from a cost-benefit perspective. There may exist procedures that could be put into place to improve the frame before sampling, or at least before cases are assigned to field representatives.
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From page 15... ...
(≤15) GQ Type Correctional facilities for adults 3,482 19.4 3,373 109 1.1 5.5 Juvenile facilities 330 1.8 241 89 7.5 6.7 Nursing facilities/skilled nursing facilities 4,256 23.8 4,075 181 0.5 1.7 Other institutional facilities 474 2.6 348 126 9.5 22.2 College/university student housing 4,872 27.2 4,672 200 25.2 17.0 Military group quarters 790 4.4 697 93 16.9 15.1 Emergency and transitional shelters 557 3.1 390 167 4.1 13.8 Group homes intended for adults 2,279 12.7 955 1,324 1.9 2.6 Other noninstitutional facilities 872 4.9 356 516 14.3 11.8 Total 17,912 100 15,107 2,805 9.8 7.5 SOURCE: Based on tabulations provided by the Census Bureau, August 11, 2010.
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From page 16... ...
(≤15) GQ Type Correctional facilities for adults 3,482 19.4 3,373 109 2.8 13.8 Juvenile facilities 330 1.8 241 89 14.5 22.5 Nursing facilities/skilled nursing facilities 4,256 23.8 4,075 181 10.3 48.6 Other institutional facilities 474 2.6 348 126 20.1 28.6 College/university student housing 4,872 27.2 4,672 200 5.1 30.5 Military group quarters 790 4.4 697 93 16.5 55.9 Emergency and transitional shelters 557 3.1 390 167 28.2 52.1 Group homes intended for adults 2,279 12.7 955 1,324 34.3 35.3 Other noninstitutional facilities 872 4.9 356 516 20.5 39.1 Total 17,912 100 15,107 2,805 8.3 36.6 SOURCE: Based on tabulations provided by the Census Bureau, August 11, 2010.
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From page 17... ...
Greater field efficiencies might be derived with alternative procedures. Small group quarters are disproportionately more likely to be converted to housing units by the time a field representative visits the premises than larger facilities, and some GQ types, such as homeless shelters and juvenile detention centers, are also more susceptible to this type of change (Williams, 2010)
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From page 18... ...
These changes would have to be carefully considered in the context of data user needs, especially if the GQ estimates are important for calculating total population estimates. However, as discussed, a small number of GQ types are already excluded from the ACS data collection for a variety of reasons, and ACS estimates are controlled to be consistent with the PEP estimates for all group quarters (U.S.
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