------------------- NHIS LOG: DATA YEAR 1996 -------------------- Original release The data files for calendar year 1996 were first made available on magnetic tape. Documentation was provided on paper. NHIS FILE TYPE FILE NAME LENGTH # RECS ------------------- --------- ------ ------- HOUSEHOLD HOUSEHLD 360 25,990 PERSON PERSONSX 360 63,402 CONDITION CONDITON 360 44,357 DOCTOR VISIT DRVISITX 360 14,024 HOSPITAL HOSPITAL 360 6,103 ACCESS TO CARE ACCESSXX 440 63,402 FAMILY RESOURCE FAMLYRES 655 63,402 HEALTH INSURANC HEALTHIN 560 63,402 IMMUNIZATION IMMUNIZE 620 4,464 November, 1998 -- Issue of ASCII CD Series 10, No. 11A (All files but Family Resources) July, 1999 -- Issue of Imputed Annual Family Income 1990-96 files (CD-ROM Series 10, No. 9A ASCII Version) The Imputed Annual Family Income 1990-96 files containing responses to the two annual family income questions from the core NHIS questionnaire with imputed values substituted for missing values were released on CD and on the Internet. For more information on this release, see http://www.cdc.gov/nchs/products/elec_prods/subject/impute.htm May, 2006 -- Internet release All previously-released data files, the Family Resources file, and their associated documentation files were made available on the Internet. December, 2007 -- Internet change The Condition file layout in the Core documentation (NHISCORE.PDF) contained an incorrect description for locations 273-299 - - fixed by changing "Doctor Visits" to "Bed Days". ----------------------------------------------------------------- To obtain the Internet release of the 1996 NHIS data, visit the NHIS home page: http://www.cdc.gov/nchs/nhis.htm and click on: Questionnaires, Data Sets and Related Documentation ----------------------------------------------------------------- March, 2008 -- Internet release Addtional imputation flags for the 1996 Family Resources file, as well as all related documentation, were made available on the internet. ----------------------------------------------------------------- To obtain the Internet release of the additional imputation flags for the 1996 NHIS Family Resources file, visit the NHIS home page: http://www.cdc.gov/nchs/nhis.htm and click on: Questionnaires, Data Sets and Related Documentation ----------------------------------------------------------------- April, 2008 -- Corrected Additional Imputation Flags, 1996 Family Resources file Corrections to the Additional Imputation Flags file for the 1996 Family Resources supplement were released on the internet. The corrections were needed to allow data users to merge the Additional Imputation Flags data file to the previously released 1996 Family Resources 1996 Family Resources supplement data file. ----------------------------------------------------------------- To obtain the Internet release of the corrected additional imputation flags for the 1996 NHIS Family Resources file, visit the NHIS home page: http://www.cdc.gov/nchs/nhis.htm and click on: Questionnaires, Data Sets and Related Documentation ----------------------------------------------------------------- Users are encouraged to join the HISUSERS Listserv and receive E-mail announcements of updates to the NHIS files. To join the Listserv, visit the website at: http://www.cdc.gov/nchs/about/major/nhis/nhislist.htm ----------------------------------------------------------------- Questions about the NHIS? Contact: Division of Health Interview Statistics National Center for Health Statistics 3311 Toledo RD RM 2217 Hyattsville MD 20782 E-mail: nhislist@cdc.gov Voice: 301-458-4901 FAX: 301-458-4035 Home Page: http://www.cdc.gov/nchs/nhis.htm -----------------------------------------------------------------