A mixed-effects two-part model for twin-data and an application on identifying important factors associated with extremely preterm children’s health disorders

• Baiming Zou ,

  Roles Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: bzou@email.unc.edu

  Affiliation Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America

  https://orcid.org/0000-0002-7879-9460

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• Hudson P. Santos,

  Roles Data curation, Investigation, Writing – review & editing

  Affiliation School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America

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• James G. Xenakis,

  Roles Writing – review & editing

  Affiliation Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America

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• Mike M. O’Shea,

  Roles Data curation, Investigation, Writing – review & editing

  Affiliation Division of Neonatal-Perinatal Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America

  https://orcid.org/0000-0001-6692-911X

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• Rebecca C. Fry,

  Roles Data curation, Investigation, Writing – review & editing

  Affiliation Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America

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• Fei Zou

  Roles Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America

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