------------------- NHIS LOG: DATA YEAR 1994 -------------------- Original release The data files for calendar year 1994 were first made available on magnetic tape. Documentation was provided on paper. NHIS FILE TYPE FILE NAME LENGTH # RECS ------------------- --------- ------ ------- HOUSEHOLD HOUSEHLD 335 48,584 PERSON PERSONSX 335 116,179 CONDITION CONDITON 335 89,199 DOCTOR VISIT DRVISITX 335 27,366 HOSPITAL HOSPITAL 335 11,811 ACCESS TO CARE ACCESSXX 400 116,179 AIDS K AND A AIDSKNOW 480 19,127 DISABILITY COND DIS1COND 473 44,453 DISABILITY PERS DIS1PERS 1660 107,469 DISAB2 ADULT DFSADULT 3400 16,114 DISAB2 CHILD DFSCHILD 1860 4,296 DISAB2 OU POLIO OUTCOMEP 18 202,560 DISAB2 OUTCOME OUTCOMEX 18 107,469 DISAB2 POLIO DFSPOLIO 670 566 DISAB2 SOA SOA2PUXX 1846 9,447 FAMILY RESOURCE FAMLYRES 594 116,179 HEALTH INSURANC HEALTHIN 500 116,179 IMMUNIZATION IMMUNIZE 620 8,087 YEAR 2000 OBJ YEAR2000 630 19,738 April, 1999 -- Corrected Condition file Corrections to the 1982-1994 Condition files were released on the Internet to fix a problem with injury-related episode fields. All future distributions of the Condition files contained the corrected values. July, 1998 -- Issue of ASCII CD Series 10, No. 8A (NHIS Disability Phase I and II only) April, 1999 -- Imputed Family Resources (Income) File released online 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. ----------------------------------------------------------------- To obtain the Internet release of the 1994 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 1994 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 1994 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, 1994 Family Resources file Corrections to the Additional Imputation Flags file for the 1994 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 1994 Family Resources supplement data file. ----------------------------------------------------------------- To obtain the Internet release of the corrected additional imputation flags for the 1994 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 -----------------------------------------------------------------