National Ambulatory Medical Care Survey Supplement on 
     Culturally and Linguistically Appropriate Services for Office-based Physicians 
                        (National CLAS Physician Survey)

                        Public Use File and Documentation

                         WARNING - DATA USE RESTRICTIONS!
                           Read Carefully before Using

    The Public Health Service Act (Section 308 (d)) provides that the data
    collected by the National Center for Health Statistics (NCHS), Centers
    for Disease Control and Prevention (CDC), may be used only for the
    purpose of health statistical reporting and analysis.

    Any effort to determine the identity of any reported case is prohibited
    by this law.

    NCHS does all it can to assure that the identity of data subjects 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 a person 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 use of the identity of any person or establishment
           discovered inadvertently and advise the Director, NCHS, of any
           such discovery.

       3.  Not link this dataset with individually identifiable data from
           other NCHS or non-NCHS datasets.

    By using these data, you signify your agreement to comply with the 
    above-stated statutorily based requirements.
                      
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   The files listed below comprise the public use data file and complete file 
   documentation for the 2016 National Ambulatory Medical Care Survey Supplement on 
   Culturally and Linguistically Appropriate Services for Office-based Physicians 
   (National CLAS Physician Survey).

                                                            
   File Name            File Description                        Size (bytes)
  
   namcs_clas2016       NAMCS CLAS dataset                            94 KB        
   doc2016_clas.pdf     NAMCS CLAS documentation file                354 KB

      
   The data file is in ASCII format and has not been compressed. 

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   Instructions for using this file with SAS, Stata, and SPSS software can be found here:

   For SAS users: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NAMCS/sas/
   For Stata users: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NAMCS/stata/
   For SPSS users: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NAMCS/spss/

   Note that we are providing SAS, Stata, and SPSS code to create your own files, as
   well as providing complete pre-made SPSS, Stata, and SAS data sets.

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   CAUTION - Because the NAMCS CLAS is a sample survey, the application of 
   weights to the sample data is REQUIRED to produce national estimates
   of 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 NAMCS CLAS 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.