2021 NATIONAL ELECTRONIC HEALTH RECORDS SURVEY (NEHRS) PUBLIC USE FILE AND FILE DOCUMENTATION WARNING - DATA USE RESTRICTIONS! Please Read Carefully before Using NCHS Public Use Survey Data The National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention (CDC), conducts statistical and epidemiological activities under the authority granted by the Public Health Service Act (42 U.S.C. § 242k). NCHS survey data are protected by Federal confidentiality laws including Section 308(d) Public Health Service Act [42 U.S.C. 242m(d)] and the Confidential Information Protection and Statistical Efficiency Act or CIPSEA [Pub. L. No. 115-435, 132 Stat. 5529 § 302]. These confidentiality laws state the data collected by NCHS may be used only for statistical reporting and analysis. Any effort to determine the identity of individuals and establishments violates the assurances of confidentiality provided by federal law. Terms and Conditions NCHS does all it can to assure that the identity of individuals and establishments cannot be disclosed. All direct identifiers, as well as any characteristics that might lead to identification, are omitted from the dataset. Any intentional identification or disclosure of an individual or establishment violates the assurances of confidentiality given to the providers of the information. Therefore, users will: 1. Use the data in this dataset for statistical reporting and analysis only. 2. Make no attempt to learn the identity of any person or establishment included in these data. 3. Not link this dataset with individually identifiable data from other NCHS or non-NCHS datasets. 4. Not engage in any efforts to assess disclosure methodologies applied to protect individuals and establishments or any research on methods of re-identification of individuals and establishments. By using these data, you signify your agreement to comply with the above-stated statutorily based requirements. Sanctions for Violating NCHS Data Use Agreement Willfully disclosing any information that could identify a person or establishment in any manner to a person or agency not entitled to receive it, shall be guilty of a class E felony and imprisoned for not more than 5 years, or fined not more than $250,000, or both. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * The files listed below comprise the 2021 National Electronic Health Records Survey (NEHRS) Public Use File with complete file documentation. The data files are SAS or Stata format. The file documentation is in PDF format. File Name File Description NEHRS2021.sas7bdat NEHRS SAS dataset NEHRS2021.dta NEHRS Stata dataset NEHRS2021Doc-508.pdf NEHRS dataset documentation file For ease of transmission, the data file has been converted into a zipped (compressed) format which must be uncompressed prior to use. To uncompress, you can do the following: 1) Create a new folder on your local workstation, if desired, to house the file, for example, C:\MyFiles\NEHRS2021. 2) Click on the file name nehrs2021.zip from the FTP server: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NEHRS/ and follow the prompts to save the file to your desired location. 3) Right-click on the name of the compressed file from your directory screen. On the pop-up menu, there should be an option to extract the file to a location of your choosing. *************************************************************************************************** NOTE: For SAS users: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NEHRS/ The nehrs2021-SAS.zip is a compressed file which you must unzip prior to use. In order to do this, double click on the file name in your directory screen; an option to unzip the file should appear. Once you have selected the unzip option, new unzipped files called nehrs2021.sas7bdat and nehrs2021for.txt will be saved at your preferred location. The nehrs2021for.txt is the file containing the formats which you will need to include in your program in order for the SAS file to run. Alternately, you can right-click on the name of the compressed files from your directory screen. On the pop-up menu, there should be an option to extract the files to a location of your choosing. For Stata users: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NEHRS/ The nehrs2021-Stata.zip is a compressed file which you must unzip prior to use. In order to do this, double click on the file name in your directory screen; an option to unzip the file should appear. Once you have selected the unzip option, new unzipped file called nehrs2021.dta will be saved at your preferred location. Alternately, you can right-click on the name of the compressed file from your directory screen. On the pop-up menu, there should be an option to extract the file to a location of your choosing. IMPORTANT: We are providing complete pre-made Stata and SAS data sets.These pre-made files are in the SAS and Stata folders cited above. **************************************************************************************************** CAUTION - Because the NEHRS is a sample survey, the application of weights to the sample data is REQUIRED to produce national estimates of office-based physicians, as well as to accurately assess the sampling error of statistics based on the survey data. Please refer to the appropriate sections of the documentation file for information on how to apply the weights and to obtain relative standard errors of national estimates. For questions, suggestions, or comments concerning NEHRS data, please contact the Ambulatory and Hospital Care Statistics Branch at (301) 458-4600 or by email at ambcare@cdc.gov. For additional information on NCHS data products, please call CDC-INFO at 800-CDC-INFO (800-232-4636), TTY (888-232-6348), Monday-Friday 8am-8pm EST, or use the CDC-INFO online request form at https://www.cdc.gov/info.