Middle-aged and older adults’ acceptance of mobile nutrition and fitness apps: A systematic mixed studies review

• Nadja-Raphaela Baer ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: nadja-raphaela.baer@charite.de

  Affiliation Institute of Medical Sociology and Rehabilitation Science, Charité – University Medicine Berlin, Berlin, Germany

  https://orcid.org/0000-0001-7527-5904

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• Julia Vietzke,

  Roles Conceptualization, Formal analysis, Investigation, Validation, Writing – review & editing

  Affiliation Institute of Medical Sociology and Rehabilitation Science, Charité – University Medicine Berlin, Berlin, Germany

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• Liane Schenk

  Roles Funding acquisition, Project administration, Resources, Supervision, Writing – review & editing

  Affiliation Institute of Medical Sociology and Rehabilitation Science, Charité – University Medicine Berlin, Berlin, Germany

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