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    Original site: www.cdc.gov/nchs/nsfg/nsfg_2015_2017_puf.htm | RestoredCDC.org is an independent project, not affiliated with CDC or any federal entity. Visit CDC.gov for free official information. Due to archival on January 6, 2025, recent outbreak data is unavailable. Videos are not restored. Access data.restoredcdc.org for restored data. Use of this site implies acceptance of this disclaimer.
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        2015-2017 NSFG: Public-Use Data Files, Codebooks, and Documentation
          2015-2017 NSFG
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            On This Page
              * Codebooks and Documentation
              * Design and Data Collection Methods
              * Variance Estimation Examples
              * Questionnaires
              * Informed Consent Materials
              * Downloadable Data Files
              * Program Statements
              * Other Data Files
        Persons with disabilities experiencing problems accessing this page should contact CDC-INFO at CDC-INFO@cdc.gov, 800-232-4636 or the TTY number at (888) 232-6348 and ask for a 508 Accommodation PR#9342. If emailing please type 508 Accommodation PR#9342 without quotes in the subject line of the email.
        Codebooks and Documentation
          * Codebooks:
              + Webdoc, the NSFG’s interactive online codebook, was deactivated as of 12/31/20. Public-use file indexes (Appendix 1a, 1b, and 1c linked below) can be searched to find variable names or identify relevant variables based on key words in variable labels. The section letters noted in the file indexes correspond to the sections of the codebook, so the file indexes indicate which codebook PDF will contain your variables of interest.
              + Female Pregnancy File Codebook
              + Female Respondent File Codebook
              + Male Respondent File Codebook
          * User’s Guide:
              + 
                  o Main Text [PDF – 2 MB]
                  o Part 1 General Information for Users [PDF – 982 KB]
                  o Part 2 Topic-Specific Notes [PDF – 982 KB]
              + Appendix 1: File Indexes for 2015–2017 NSFG
                  o 1a. Female Respondent File Index [PDF – 748 KB]
                  o 1b. Female Pregnancy (Interval) File Index [PDF – 158 KB]
                  o 1c. Male File Index [PDF – 809 KB]
              + Appendix 2: SAS and STATA Syntax Guidelines for Combining Data Across File Releases [PDF – 88 KB]
              + Appendix 3: Recode Specifications for 2015–2017 NSFG
                  o 3a. Female Respondent File Recode Specifications [PDF – 1 MB]
                  o 3b. Female Pregnancy (Interval) File Recode Specifications [PDF – 156 KB]
                  o 3c. Male File Recode Specifications [PDF – 497 KB]
              + Appendix 4: Recode “Cross-walk” Grids
                  o 4a. Male-Female Recode Crosswalk for 2015–2017 [PDF – 79 KB]
                  o 4b. Female and Pregnancy Recode Crosswalks for 2006–2010, 2011–2013, 2013–2015 and 2015–2017 [PDF – 110 KB]
                  o 4c. Male Recode Crosswalk for 2006–2010, 2011–2013, 2013-2015 and 2015–2017 [PDF – 61 KB]
              + Appendix 5: Summary of NSFG Questionnaire Changes – NSFG 2015–2017 [PDF – 150 KB]
              + Appendix 6: Frequently Asked Questions about the NSFG [PDF – 119 KB]
              + Appendix 7: Restricted-Use Analytic Variables Available through the RDC
                  o 7a. List for the Female Respondent and Female Pregnancy Files [PDF – 98 KB]
                  o 7b. List for the Male File [PDF – 97 KB]
                  o 7c. Further Details on Variables Modified for the Public-Use File [PDF – 122 KB]
        Design and Data Collection Methods
        Beginning with the release of data for 2011–2013, detailed information on the survey design and operations, weighting, and variance estimation was compiled in four documents available on the NSFG website. These documents replace the “Series 1” and “Series 2” reports published by NCHS for the 2006–2010 and earlier releases, which can be found within the NSFG’s “Publications and Information Products” pages. The survey design and all related aspects were planned with the entire period 2011 to 2019 in mind, thus are consistent from release to release. The documents below provide information on survey design and operations for 2015-2017, and reflect only minor changes and updates.
          * 2015-2017 National Survey of Family Growth (NSFG): Summary of Design and Data Collection Methods [PDF – 432 KB]
          * 2015-2017 National Survey of Family Growth (NSFG): Sample Design Documentation [PDF – 552 KB]
          * 2015-2017 National Survey of Family Growth (NSFG): Sample Error Estimation Design [PDF – 118 KB]
          * 2015-2017 National Survey of Family Growth (NSFG): Weighting Design Documentation [PDF – 527 KB]
        Variance Estimation Examples
        Each of the PDF files below provides programs and output in SAS and STATA for three examples of variance estimation for the 2015–2017 NSFG data. These examples cover some of the basic types of variance estimation you may do in your analyses. See also the section “Sample Weights and Variance Estimation” in the 2015–2017 NSFG User’s Guide [PDF – 982 KB] for more information. If you have any questions about any of these examples, please e-mail the NSFG staff at nsfg@cdc.gov.
        Variance Estimation:
          * Example 1. Percentage of Women Ages 15–49 Currently Using the Oral Contraceptive Pill, by Age
          * Example 2. Mean Number of Children Ever Born, by Place of Residence for Women 20-49 Years of Age
          * Example 3. Percentage of Men 20–49 Years of Age Who Have Ever Had One or More Biological Children, by Hispanic Origin and Race [PDF – 94 KB]
        2002, 2006–2010, 2011–2013, 2013–2015, and 2015–2017 Design and Weight Variables
          Design variable                                    2002               2006–2010  2011–2013     2013–2015     2015–2017   
          Stratum variable                                   SEST               SEST       SEST          SEST          SEST        
                                                             SECU_R (fem resp)                                                     
          Four Cluster/Panel Variable                        SECU_P (fem preg)  SECU       SECU          SECU          SECU        
                                                             SECU (male resp)                                                      
          Final post-stratified, fully adjusted case weight  FINALWGT           WGTQ1Q16   WGT2011_2013  WGT2013_2015  WGT2015_2017
          *Note: See 2011-2019 Combined Files: Selected Data and Documentation for more information about combining data across file releases and weights for combined files.
          See the 2015-2017 User’s Guide Appendix 2 for more information about combining data across file releases.
          Questionnaires
            * Description of the two questionnaire formats (CAPI-lite and CRQ)
            * Female Questionnaire
                + Life History Calendar (as used in the female interview) [PDF – 14 KB]
            * Male Questionnaire
          Informed Consent Materials
            * Advance Household Letter [PDF – 1 MB]
            * Advance Respondent Letter [PDF – 2 MB]
            * NSFG Question and Answer Brochure [PDF – 2 MB]
            * NSFG Confidentiality Brochure [PDF – 133 KB]
            * Interview Authorization Letter [PDF – 1 MB]
            * Adult Consent Form
            * Minor Assent Form [PDF – 2 MB]
            * Parent Permission Form [PDF – 2 MB]
          Downloadable Data Files
            * Female Respondent Data File (2015_2017_FemRespData.dat)
            * Female Pregnancy Data File (2015_2017_FemPregData.dat)
            * Male Respondent Data File (2015_2017_MaleData.dat)
          Program Statements
            * SAS Program Statements
                + Female respondent file
                + Female pregnancy file
                + Male respondent file
            * SPSS Program Statements
                + Female respondent file
                + Female pregnancy file
                + Male respondent file
            * STATA Program Statements
                + Female respondent file
                    o 2015_2017_FemRespSetup.dct
                    o 2015_2017_FemRespSetup.do
                + Female pregnancy file
                    o 2015_2017_FemPregSetup.dct
                    o 2015_2017_FemPregSetup.do
                + Male respondent file
                    o 2015_2017_MaleSetup.dct
                    o 2015_2017_MaleSetup.do
          Other Data Files
          In addition to the 2015-2017 NSFG public-use data files, researchers may access two additional types of restricted-use data files available only through the NCHS or Census Research Data Centers (RDCs).
          Restricted-use analytic variables: The analytic variables available in this file were suppressed or modified on the public-use data files to further protect the identity and confidentiality of the survey respondents. The variables are described in Appendix 7 of the User’s Guide.
          Contextual data: The 2015-2017 contextual data file consists of four variables: CASEID, the State FIPS code and County FIPS code of the respondent’s address at the time of interview, and the State FIPS code of the respondent’s address at the time of the previous Census. These geographic variables are only available through the NCHS and Census RDCs due to the increased risk of deductive disclosure of individual respondent’s identities when such geographic variables are linked to the survey data. FIPS codes can be used to merge external data with the 2015-2017 NSFG public-use files.
          For more information about using these data, including options on accessing the RDC and associated charges, visit the RDC website.
          For additional information or questions please contact the NSFG staff via mail, e-mail, or telephone at:
          National Survey of Family Growth
          Reproductive Statistics Branch
          Division of Vital Statistics
          National Center for Health Statistics
          3311 Toledo Road
          Hyattsville, MD 20782
          nsfg@cdc.gov
          (301) 458-4222
        Last Reviewed: October 31, 2024, 11:40 AM
          Source: National Center for Health Statistics
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