Data quality in centenarian research: The proxy-centenarian relationship and item nonresponse in the SWISS100 study

• Daniele Zaccaria ,

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

  * E-mail: daniele.zaccaria@supsi.ch

  Affiliation Department of Business Economics, Centre of Competence on Ageing, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, Manno, Switzerland

  https://orcid.org/0000-0002-9715-3796

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• Justine Falciola,

  Roles Data curation, Writing – review & editing

  Affiliation Faculty of Medicine, Department of Rehabilitation and Geriatrics, Geneva University Hospitals and University of Geneva, Geneva, Switzerland

  https://orcid.org/0000-0002-1135-9321

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• Barbara Masotti,

  Roles Conceptualization, Writing – review & editing

  Affiliations Department of Business Economics, Centre of Competence on Ageing, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, Manno, Switzerland, LIVES Swiss Centre of Expertise in Life Course Research, University of Lausanne and University of Geneva, Geneva, Switzerland

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• Armin von Gunten,

  Roles Funding acquisition, Writing – review & editing

  Affiliation Department of Psychiatry, Service of Old Age Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland

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• François Herrmann,

  Roles Funding acquisition, Writing – review & editing

  Affiliation Faculty of Medicine, Department of Rehabilitation and Geriatrics, Geneva University Hospitals and University of Geneva, Geneva, Switzerland

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• Daniela S. Jopp,

  Roles Funding acquisition, Writing – review & editing

  Affiliations LIVES Swiss Centre of Expertise in Life Course Research, University of Lausanne and University of Geneva, Geneva, Switzerland, Institute of Psychology, University of Lausanne, Lausanne, Switzerland

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• Stefano Cavalli

  Roles Conceptualization, Funding acquisition, Writing – review & editing

  Affiliation Department of Business Economics, Centre of Competence on Ageing, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, Manno, Switzerland

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