------------------- NHIS LOG: DATA YEAR 1995 -------------------- Original release The data files for calendar year 1995 were first made available on magnetic tape. Documentation was provided on paper. NHIS FILE TYPE FILE NAME LENGTH # RECS ------------------- --------- ------ ------- HOUSEHOLD HOUSEHLD 355 41,824 PERSON PERSONSX 355 102,467 CONDITION CONDITON 355 75,701 DOCTOR VISIT DRVISITX 355 22,721 HOSPITAL HOSPITAL 355 10,120 ACCESS TO CARE ACCESSXX 440 102,467 AIDS K AND A AIDSKNOW 543 16,848 DISABILITY COND DIS1COND 473 37,409 DISABILITY PERS DIS1PERS 1660 95,091 DISAB2 ADULT DFSADULT 3400 9,691 DISAB2 CHILD DFSCHILD 1860 2,687 DISAB2 OUTCOME OUTCOMEX 18 95,091 FAMILY RESOURCE FAMLYRES 655 102,467 HEALTH INSURANC HEALTHIN 560 102,467 IMMUNIZATION IMMUNIZE 620 7,287 YEAR 2000 OBJ YEAR2000 650 17,317 July, 1998 -- Issue of ASCII CD Series 10, No. 10A (NHIS Disability Phase I and II only) September, 1998 -- Issue of ASCII CD Series 10, No. 10C (not including NHIS Disability files) 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 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 1995 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 Additional imputation flags for the 1995 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 1995 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, 1995 Family Resources file Corrections to the Additional Imputation Flags file for the 1995 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 1995 Family Resources supplement data file. ----------------------------------------------------------------- November, 2016 – Corrected the length of SECUNIT in the VAR2000.SAS program Changed the “Year 2000 Objectives” input statements in VAR2000.SAS for variable SECUNIT (“Secondary Sampling Unit”) from 4 to 5 bytes to allow for values over 2 million to be stored without loss of precision. ----------------------------------------------------------------- To obtain the Internet release of the corrected additional imputation flags for the 1995 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 -----------------------------------------------------------------