Cost-effectiveness and cost-utility of an Acceptance and Commitment Therapy intervention vs. a Cognitive Behavioral Therapy intervention for older adults with anxiety symptoms: A randomized controlled trial

• Maartje Witlox ,

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

  * E-mail: m.witlox@fsw.leidenuniv.nl

  Affiliation Faculty of Social and Behavioural Sciences, Section of Clinical Psychology, Institute of Psychology, Leiden University, Leiden, The Netherlands

  https://orcid.org/0000-0002-9580-556X

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• Vivian Kraaij,

  Roles Conceptualization, Investigation, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Faculty of Social and Behavioural Sciences, Section of Clinical Psychology, Institute of Psychology, Leiden University, Leiden, The Netherlands

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• Nadia Garnefski,

  Roles Conceptualization, Investigation, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Faculty of Social and Behavioural Sciences, Section of Clinical Psychology, Institute of Psychology, Leiden University, Leiden, The Netherlands

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• Ernst Bohlmeijer,

  Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

  Affiliation Department of Psychology, Health and Technology, University of Twente, Enschede, The Netherlands

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• Filip Smit,

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Software, Supervision, Visualization, Writing – review & editing

  Affiliation Department of Mental Health & Prevention, Netherlands Institute of Mental Health and Addiction, Utrecht, The Netherlands

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• Philip Spinhoven

  Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Faculty of Social and Behavioural Sciences, Section of Clinical Psychology, Institute of Psychology, Leiden University, Leiden, The Netherlands

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