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AFDA Data Set No. 98-A3

The National Longitudinal Survey of Adolescent Health, Waves I & II (Add Health), 1994-1996
J. Richard Udry, Principal Investigator

This page is provides information and updated products for the Public Use Version of the AddHealth data set distributed by Sociometrics. The Carolina Population Center maintins a web site devoted to Addhealth that may provide other useful information. CPC Web Site

Call for Papers - The 2006 Add Health Users Conference

Users of data from the National Longitudinal Study of Adolescent Health (Add Health) are invited to submit abstracts for the seventh Add Health Users Conference, to be held July 17-18, 2006, in Bethesda, Maryland. Click here for more information on the conference.

Updated statement and data files for the Grand Weight Patch.

  • SAS statements
  • SPSS statements
  • Data File
  • Corrections have been made to the value labels and missing data specification for several variables in this dataset.
  • View the errata issued 1/28/2002 and download the corrected files.


  • If you need additional assistance, please contact the Director of our Research Support Group, Dr. Tom Wells.