This dataset pertains to children and their families in the United States and is intended to illustrate missing data issues. Note that although the original data are longitudinal, this extract is not.
The CHAIN project was a longitudinal cohort study of people living with HIV in New York City, which was recruited in 1994 from a large number of medical care and social service agencies serving HIV in New York City. This subset of data pertain to the sixth round of interviews.
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