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Classifying Infants and Toddlers with Developmental Vulnerability: Who is Most Likely to Receive Early Intervention?
Published paper seeking to identify subgroups of developmental vulnerability among infants and toddlers that would make children eligible for early intervention and estimate the likelihood of each subgroup receiving parent-reported early intervention.

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Established in 2004, the Data Resource Center for Child and Adolescent Health (DRC) is a project of the Child and Adolescent Health Measurement Initiative (CAHMI) located at the Johns Hopkins Bloomberg School of Public Health (previously OHSU 2004-2014). With our many partners, the DRC is sponsored by the Health Resources and Services Administration (HRSA), Maternal and Child Health Bureau (MCHB) of the U.S. Department of Health and Human Services (HHS) under Cooperative Agreement U59MC27866, The National Maternal and Child Health Data Resource Center. The CAHMI is responsible for the analyses, interpretations, presentations and conclusions presented in documents and data displays created by the CAHMI and included on this website.  As such, the information, content and conclusions found here should not be construed as the official position or policy of, nor should any endorsements be inferred by HRSA, HHS, or the US Government unless otherwise stated. 

In addition to our long-standing collaboration with the Maternal and Child Health Bureau, the CAHMI partners closely with the following organizations in the design and operation of the DRC and this website.

  • National Center for Health Statistics. The DRC partners with the National Center for Health Statistics (NCHS) at the Centers for Disease Control on the collection and provision of the National Survey of Children’s Health (NSCH), National Survey of Children with Special Health Care Needs (NS-CSHCN), and National Health Interview Survey (NHIS) data files and documentation needed to develop the interactive DRC online data query tool and related written and technical assistance resources. Measures which derive from the NSCH, NS-CSHCN, and NHIS data files are developed and reviewed in collaboration with a range of experts and partners from MCHB, NCHS and many other national, state and local data users.
  • Family Voices. We have a longstanding collaborative relationship with Family Voices, an organization that promotes a strong role for families of children with special health care needs. Through this collaboration, CAHMI and the DRC work to promote data partnerships with family advocates and community leaders. The data on the DRC come from families, and with Family Voices we work to ensure that the data can be used by families in order to promote its effective use on behalf of families and children with CSHCN.
  • Autism Speaks. We collaborate with Autism Speaks to provide effective access to data on diagnostic and treatment experiences for children with autism spectrum disorder.
  • National Center for Complementary and Integrative Health. We work with the National Center for Complementary and Alternative Medicine on development and use of the NHIS Child CAM supplemental data and associated materials.
  • American Academy of Pediatrics. We work with the American Academy of Pediatrics to provide ready access to medical home data through Medical Home Data portal and in many other capacities. 
  • Lucile Packard Foundation for Children’s Health. We have collaborated with the Lucile Packard Foundation for Children’s Health on a series of reports ([1], [2], [3]) on the health and well-being of children with special health care needs in California, and in many other ways. 
  • The California Endowment Fund. We work with the CA Endowment to engage communities in CA using the DRC's data in action resources.
  • The Robert Wood Johnson Foundation. We work with the Robert Wood Johnson Foundation to support national, state, and local stakeholders in using DRC data in action resources.
  • AcademyHealth. We collaborate with AcademyHealth in a number of ways, including a multi-year project to create and advance a national child health services research and policy action agenda around Adverse Childhood Experiences (ACEs) and resilience.
  • The DRC Advisory Group. The DRC functions as a partnership with the Maternal and Child Health Bureau and the many users of the site. Numerous individuals, organizations and health agencies participate in the DRC Advisory Group, which provides ongoing guidance and input on the features and implementation of the DRC website and other DRC activities.
  • You. We provide technical assistance to hundreds of users like you each year. We proudly partner with users of this website. Please email us at and let us know  how we can improve.