------------------- NHIS LOG: DATA YEAR 1981 --------------------

Original release:

   The data files for calendar year 1981 were first made 
   available on magnetic tape.  Documentation was provided on 
   paper.

   NHIS FILE TYPE       FILE NAME   LENGTH  # RECS
   -------------------  ---------   ------  -------
   HOUSEHOLD            HOUSEHLD    469      41,265
   PERSON               PERSONSX    469     107,480
   CONDITION            CONDITON    469      76,643
   HOSPITAL             HOSPITAL    469      14,227
   DOCTOR VISIT         DRVISITX    469      19,070
   CHILD HEALTH         CHLDHLTH   2400      15,416

July, 2001 -- ASCII CD Release: Series 10 CD, No. 13H:

   All previously-released data files and their associated
   documentation files were made available on CD.

August, 2006 -- Internet release

   All previously-released data files and their associated
   documentation files were made available on the Internet.

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To obtain the Internet release of the 1981 NHIS data, visit the 
NHIS home page:

   http://www.cdc.gov/nchs/nhis.htm

and click on:

   Questionnaires, Data Sets and Related Documentation
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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
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