------------------- NHIS LOG: DATA YEAR 1964 -------------------- July 25, 2008 -- Original Internet release: NHIS FILE TYPE DATA FILE NAME LENGTH # RECS ------------------- -------------- ------ ------- PERSON PERSON.DAT 156 129,659 CONDITION CONDITION.DAT 156 136,074 HOSPITAL HOSPITAL.DAT 156 17,658 XRAY XRAY.DAT 156 32,412 FAMILY FAMILY.DAT 150 41,224 NCHS recommends that data users verify the integrity of downloaded files by comparing the MD5 checksums of downloaded files to the reference values given below: 805C69E48F25C7AC06719B812605B73B condition.dat 1056F2C73D797DA6F26316E2452A8293 family.dat 90863634935B7E10F055FD0C501E9732 hospital.dat C1CE7B9E48F17A76575EF7B7BFC664C4 person.dat 765D01ECC30A2E46F112D53AE1B52605 xray.dat For more information on MD5 checksums, please refer to the ftp site: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Datasets/NHIS/checksums.pdf ----------------------------------------------------------------- To obtain the Internet release of the 1964 NHIS data, 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 -----------------------------------------------------------------