------------------- NHIS LOG: DATA YEAR 1987 --------------------

Original release:

   The data files for calendar year 1987 were first made 
   available on magnetic tape.  Documentation was provided on 
   paper.

   NHIS FILE TYPE       FILE NAME   LENGTH  # RECS
   -------------------  ---------   ------  -------
   HOUSEHOLD            HOUSEHLD    335      49,569
   PERSON               PERSONSX    335     122,859
   CONDITION            CONDITON    335      88,599
   DOCTOR VISIT         DRVISITX    335      25,514
   HOSPITAL             HOSPITAL    335      13,814
   ADOPTION             ADOPTION    400      31,124
   AIDS K AND A         AIDSKNOW    500      17,696
   CANCER CONTROL       CANCCNTL   1450      22,043
   CANCER EPIDEM        CANCEPID   1600      22,080
   POLIOMYELITIS        POLIOMYL    340      73,574

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.

June, 2006 -- Internet release

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

June, 2016 -- Incorrect format code  

  VALUE  CAN639X
   1,526            = "Less than 30 minutes"
   2                = "30 minutes or more"
   9                = "Unknown"
   .                = "Not a former smoker, never smoked regularly"

The first value has been changed to 1.

nhis1987pub_CANCCNTL.SAS

ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Program_Code/NHIS/1987 
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To obtain the Internet release of the 1987 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

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