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Sampling Procedures for the Collection of Electronic Health Record Data From Federally Qualified Health Centers, 2021–2022 National Ambulatory Medical Care Survey
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06/26/2023
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Source: Vital and Health Statistics Series
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Series: Series 2
[PDF-1.02 MB]
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Description:As part of modernization efforts, in 2021 the National Ambulatory Medical Care Survey (NAMCS) began collecting electronic health records (EHRs) for ambulatory care visits in its Health Center (HC) Component. As a result, the National Center for Health Statistics (NCHS)needed to adjust the approaches used in the sampling design for the HC Component. This report provides details on these changes to the 2021-2022 NAMCS.
This report provides details on the procedures used to draw a sample of federally qualified health centers (FQHCs) and FQHC look-alikes for the 2021 and 2022 National Ambulatory Medical Care Surveys.
Abstract:
Background :As part of modernization efforts, in 2021 the National Ambulatory Medical Care Survey (NAMCS) began collecting electronic health records (EHRs) for ambulatory care visits in its Health Center (HC) Component. As a result, the National Center for Health Statistics (NCHS) needed to adjust the approaches used in the sampling design for the HC Component. This report provides details on these changes to the 2021–2022 NAMCS.
Sampling Methods and Procedures: For the 2021 and 2022 NAMCS HC Component sampling frame, NCHS received a listing of all federally qualified health centers (FQHCs) and FQHC look-alikes in the United States in 2020 from the Health Resources and Services Administration (HRSA). An FQHC is an HC that receives funding from HRSA to provide services to people who are medically underserved. An FQHC look- alike is similar but does not receive funding. This listing included 1,463 HCs, of which 1,400 were eligible for the sampling frame. A stratified (organized information into groups based on certain criteria) random sample of 50 FQHCs and FQHC look-alikes was drawn as the primary sample, along with a reserve (or backup) sample of 100 HCs.
Results:For the 2021 sample, 95.7% of HCs in the source files from which the sampling frame was compiled were eligible for selection based on eligibility criteria. Among the 4.3% of ineligible HCs, 88.9% were ineligible because they lacked an EHR system or did not provide healthcare services to the public. For the 2022 sample, 85.6% of HCs in the source file were eligible for selection based on the eligibility criteria and the removal of all HCs selected for the 2021 sample. Among the 14.4% of HCs not eligible for the 2022 sample, 70.0% were selected for the 2021 sample, and 26.8% were ineligible because they lacked an EHR system or did not provide healthcare services.
Suggested citation: Williams SN, Ukaigwe J, Ward BW, Okeyode T, Shimizu IM. Sampling procedures for the collection of electronic health record data from federally qualified health centers, 2021–2022 National Ambulatory Medical Care Survey. National Center for Health Statistics. Vital Health Stat Series 2(203). 2023. DOI: https://dx.doi.org/10.15620/cdc:127730.
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Pages in Document:iii, numbered pages
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Volume:2
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Issue:203
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