1. When will data from the AHAA study be available for use?

Most AHAA data are released. One final release is scheduled for 2010.

2. How do I obtain AHAA data?

AHAA and Add Health data files can be obtained through the UNC Carolina Population Center at http://www.cpc.unc.edu/projects/addhealth/data/restricteduse.

3. If I use AHAA data in my study, do I need to include an acknowledgement of AHAA’s funding?

Yes. Please include this text in the acknowledgements section of any study for publication or presentation:

This research uses data from the AHAA study, which was funded by a grant (R01 HD040428-02, Chandra Muller, PI) from the National Institute of Child Health and Human Development, and a grant (REC-0126167, Chandra Muller, PI, and Pedro Reyes, Co-PI) from the National Science Foundation. This research was also supported by grant, 5 R24 HD042849, Population Research Center, awarded to the Population Research Center at The University of Texas at Austin by the Eunice Kennedy Shriver National Institute of Health and Child Development. Opinions reflect those of the authors and do not necessarily reflect those of the granting agencies.

4. How does the AHAA data intersect with the Add Health surveys?

Using the AHAA data requires attention to the temporal order of survey administration relative to the academic year a course that appeared on the transcript was actually taken by a the student. Figure 1, below, illustrates these temporally ordered relationships for each Add Health grade level cohort. For more information see the AHAA & Add Health and Analytic Advice pages.