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Questions about Add Health


    How do I subscribe to the Add Health list server?

    Information about Add Health will be distributed through the Add Health list server. To subscribe to the list, and request that you be added to the list.


    How do I briefly describe the Add Health sample design?

    A sample of 80 high schools and 52 middle schools from the US was selected with unequal probability of selection. Incorporating systematic sampling methods and implicit stratification into the Add Health study design ensured this sample is representative of US schools with respect to region of country, urbanicity, school size, school type, and ethnicity.

     

    How do I cite the Add Health research design information found on the Web site?

    To reference the research design of Add Health data, please use the following citation:

    Harris, K.M., C.T. Halpern, E. Whitsel, J. Hussey, J. Tabor, P. Entzel, and J.R. Udry. 2009. The National Longitudinal Study of Adolescent to Adult Health: Research Design [WWW document]. URL: http://www.cpc.unc.edu/projects/addhealth/design.

     

    What acknowledgment should be included in each written report or other publication based on analysis of data from Add Health?

    The Add Health contract and data use agreement require that the following be included:

    This research uses data from Add Health, a program project directed by Kathleen Mullan Harris and designed by J. Richard Udry, Peter S. Bearman, and Kathleen Mullan Harris at the University of North Carolina at Chapel Hill, and funded by grant P01-HD31921 from the Eunice Kennedy Shriver National Institute of Child Health and Human Development, with cooperative funding from 23 other federal agencies and foundations. Special acknowledgment is due Ronald R. Rindfuss and Barbara Entwisle for assistance in the original design. Information on how to obtain the Add Health data files is available on the Add Health website (http://www.cpc.unc.edu/addhealth). No direct support was received from grant P01-HD31921 for this analysis.

    Note: Use of this acknowledgment requires no further permission from the persons named.

     

    Regarding the new NIH Public Access Policy, should we include the Add Health grant when our papers are entered into the NIHMS system?

    If you have not received direct support from the Add Health Program Project, please use the following acknowledgment statement to satisfy the requirements of the new NIH Public Access Policy:

    This research uses data from Add Health, a program project directed by Kathleen Mullan Harris and designed by J. Richard Udry, Peter S. Bearman, and Kathleen Mullan Harris at the University of North Carolina at Chapel Hill, and funded by grant P01-HD31921 from the Eunice Kennedy Shriver National Institute of Child Health and Human Development, with cooperative funding from 23 other federal agencies and foundations. Special acknowledgment is due Ronald R. Rindfuss and Barbara Entwisle for assistance in the original design. Information on how to obtain the Add Health data files is available on the Add Health website (http://www.cpc.unc.edu/addhealth). No direct support was received from grant P01-HD31921 for this analysis.

     

    Regarding the new NIH Public Access Policy, how do I make sure my journal articles are assigned PubMed Central reference numbers (PMCIDs)?

    Journal articles published using Add Health data must be submitted to PubMed Central to receive a PMCID.  The method of PubMed Central submission and Investigator responsibility for submission depend on the journal and journal publisher.

    1. Some journals automatically submit published articles to PubMed Central.  For a list of journals that submit articles to PubMed Central please visit the NIH website: http://publicaccess.nih.gov/submit_process_journals.htm
    2. Some journal publishers may submit the articles to PubMed Central automatically or upon request by the author.  For a list of journal publishers that submit articles to PubMed Central please visit the NIH website: http://publicaccess.nih.gov/select_deposit_publishers.htm#b
    3. If neither the journal nor the journal publisher will submit the article to PubMed Central, the Investigator will be responsible to submit the final peer-reviewed manuscript to PubMed Central via the NIH Manuscript Submission System (NIHMS).  For detailed instructions on the process of submitting a journal article to PubMed Central, please see the NIH website: http://publicaccess.nih.gov/submit_process.htm
    4. If you have any problems with this process, please contact the NIHMS or PubMed help desk.

     

    Why do my journal articles need PubMed Central reference numbers (PMCIDs)?

    NIH policy requires that "[a]nyone submitting an application, proposal or report to the NIH must include the PMC reference number (PMCID) when citing applicable papers that they author or that arise from their NIH-funded research."

     

    How do I cite the Add Health contractual data?

    The recommended citation for the Add Health contractual data set is:

    Harris, Kathleen Mullan. 2009. The National Longitudinal Study of Adolescent to Adult Health (Add Health), Waves I & II, 1994–1996; Wave III, 2001–2002; Wave IV, 2007-2009 [machine-readable data file and documentation]. Chapel Hill, NC: Carolina Population Center, University of North Carolina at Chapel Hill.  DOI: 10.3886/ICPSR27021.v9


    How do I obtain a copy of the monograph "Reducing the Risk: Connections That Make a Difference in the Lives of Youth"?

    You may view the monograph online or obtain a printed copy by sending an email

    or letter to:

    Reducing the Risk
    Adolescent Health Program
    University of Minnesota
    Box 721, UMHC
    420 Delaware Street SE
    Minneapolis, MN 55445


    Can researchers provide copies of the Add Health data to journal editors who request it?

    Add Health adheres to the NIH policy on data sharing but due to the sensitive nature of Add Health data access is limited and governed by the Add Health data management security plan; therefore, authors are unable to provide Add Health data to journal editors. While authors may not provide Add Health data to the editors, they may provide the program code used to construct variables and analyze the data. Editors may obtain a copy of the data under the terms and conditions as described on the Add Health website at http://www.cpc.unc.edu/projects/addhealth/data.

    Do the Add Health data contain any identifiers?

    The Add Health data files do not contain respondent identifiers or any links to identifiers.  The data do contain ID numbers which are necessary to allow researchers to link data across the waves and to friends and partners (also de-identified). 

    Was informed consent required for participation in Add Health?

    Add Health participants provided written informed consent for participation in all aspects of Add Health in accordance with the University of North Carolina School of Public Health Institutional Review Board guidelines that are based on the Code of Federal Regulations on the Protection of Human Subjects 45CFR46: http://www.hhs.gov/ohrp/humansubjects/guidance/45cfr46.html

    Examples of these forms are available in the Wave III Documentation and Wave IV Documentation files.