Measuring physical activityin adults using wearabletechnologies: report of ascientific meeting 10–12 June 2025Montreal, Canada Measuring physical activity in adults using wearable technologies: report of a scientific meeting, 10–12June 2025, Montreal, Canada ISBN 978-92-4-011669-6 (electronic version)ISBN 978-92-4-011670-2 (print version) © World Health Organization 2025 Some rights reserved. This work is available under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0IGO licence (CCBY-NC-SA3.0IGO; https://creativecommons.org/licenses/by-nc-sa/3.0/igo). Under the terms of this licence, you may copy, redistribute and adapt the work for non-commercialpurposes, provided the work is appropriately cited, as indicated below. In any use of this work, thereshould be no suggestion that WHO endorses any specific organization, products or services. The use ofthe WHO logo is not permitted. If you adapt the work, then you must license your work under the sameor equivalent Creative Commons licence. If you create a translation of this work, you should add thefollowing disclaimer along with the suggested citation: “This translation was not created by the WorldHealth Organization (WHO). WHO is not responsible for the content or accuracy of this translation. Theoriginal English edition shall be the binding and authentic edition”. Any mediation relating to disputes arising under the licence shall be conducted in accordance withthe mediation rules of the World Intellectual Property Organization (http://www.wipo.int/amc/en/mediation/rules/). Suggested citation.Measuring physical activity in adults using wearable technologies: report of ascientific meeting, 10–12 June 2025, Montreal, Canada. Geneva: World Health Organization; 2025.Licence:CCBY-NC-SA3.0IGO. Cataloguing-in-Publication (CIP) data.CIP data are available at https://iris.who.int/. Sales, rights and licensing.To purchase WHO publications, see https://www.who.int/publications/book-orders. To submit requests for commercial use and queries on rights and licensing, seehttps://www.who.int/copyright. Third-party materials.If you wish to reuse material from this work that is attributed to a third party,such as tables, figures or images, it is your responsibility to determine whether permission is neededfor that reuse and to obtain permission from the copyright holder. The risk of claims resulting frominfringement of any third-party-owned component in the work rests solely with theuser. General disclaimers.The designations employed and the presentation of the material in this publicationdo not imply the expression of any opinion whatsoever on the part of WHO concerning the legal statusof any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiersor boundaries. Dotted and dashed lines on maps represent approximate border lines for which theremay not yet be fullagreement. The mention of specific companies or of certain manufacturers’ products does not imply that theyare endorsed or recommended by WHO in preference to others of a similar nature that are notmentioned. Errors and omissions excepted, the names of proprietary products are distinguished byinitial capitalletters. All reasonable precautions have been taken by WHO to verify the information contained in thispublication. However, the published material is being distributed without warranty of any kind, eitherexpressed or implied. The responsibility for the interpretation and use of the material lies with thereader. In no event shall WHO be liable for damages arising from its use. Design and layout by Inis Communication Contents AcknowledgementsviExecutive summary1Background5Objectives of the meeting7Day 18Session 1: Welcome, land acknowledgement, and overview(Dr Karim Khan, Dr Fiona Bull)8Session 2: What are we measuring?(Dr Fiona Bull, Dr Stephanie Prince Ware, Dr Rachel Colley)10Session 3: What is this device going to do?What must it have, and what is nice to have?(Dr Fiona Bull, Dr Rick Troiano, Dr Matthew Ahmadi)15Session 4: Validating, storing, analysing, and harmonizing data(Dr Aiden Doherty, Dr Manos Stamatakis, Dr Kerstin Bach,Dr Marco Giurgiu, Dr Sarah Keadle, Dr Charles Matthews)19Day 229Session 5: Follow-on work on specifications of device attributes,protocols and data analysis – continued with report-back from sub-group(Dr Aiden Doherty)29Session 6: Advancing evaluation evidence(Dr Sarah Keadle and Dr Fiona Bull)32 Session 7: Age-related considerations and sedentary behaviours(Dr Marla Beauchamp)35Session 8: What are the likely next steps following this meeting?(Dr Fiona Bull)37Closing Day 2: Commentary from an industry perspective: Discovery Vitality(Dr Mosima Mabunda)39Day 341Session 9: A framework for developing consensus (Paul Blazey)41Session 10: Report on ongoing process towards developing guidelines for reportingresearch on wearable devices (Dr Marco Giurgiu, Dr Jason Gill)42Session 11: Closing plenary (Dr Fiona Bull)45Closing




