Reliability and validity of the international physical activity questionnaire compared to calibrated accelerometer cut-off points in the quantification of sedentary behaviour and physical activity in older adults

• Declan J. Ryan ,

  Contributed equally to this work with: Declan J. Ryan, Gladys L. Onambele-Pearson

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

  * E-mail: Declan.Ryan@stu.mmu.ac.uk

  Affiliation Health Exercise & Active Living Research Centre, Department of Exercise & Sport Science, Manchester Metropolitan University, Cheshire, United Kingdom

  http://orcid.org/0000-0003-1769-3248

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• Jorgen A. Wullems ,

  Roles Data curation, Methodology, Project administration, Software, Validation

  ¶‡ These authors also contributed equally to this work.

  Affiliation Health Exercise & Active Living Research Centre, Department of Exercise & Sport Science, Manchester Metropolitan University, Cheshire, United Kingdom

  ⨯
• Georgina K. Stebbings ,

  Roles Conceptualization, Supervision, Writing – original draft, Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Health Exercise & Active Living Research Centre, Department of Exercise & Sport Science, Manchester Metropolitan University, Cheshire, United Kingdom

  ⨯
• Christopher I. Morse ,

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

  ¶‡ These authors also contributed equally to this work.

  Affiliation Health Exercise & Active Living Research Centre, Department of Exercise & Sport Science, Manchester Metropolitan University, Cheshire, United Kingdom

  ⨯
• Claire E. Stewart ,

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

  ¶‡ These authors also contributed equally to this work.

  Affiliation Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom

  ⨯
• Gladys L. Onambele-Pearson

  Contributed equally to this work with: Declan J. Ryan, Gladys L. Onambele-Pearson

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

  Affiliation Health Exercise & Active Living Research Centre, Department of Exercise & Sport Science, Manchester Metropolitan University, Cheshire, United Kingdom

  ⨯