Feasibility of wearable cameras to assess screen time and time spent restrained in children aged 3 to 5 years: a study protocol

Downing, Katherine, Janssen, Xanne and Reilly, John J. 2019, Feasibility of wearable cameras to assess screen time and time spent restrained in children aged 3 to 5 years: a study protocol, BMJ open, vol. 9, no. 5, doi: 10.1136/bmjopen-2018-028265.

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Title Feasibility of wearable cameras to assess screen time and time spent restrained in children aged 3 to 5 years: a study protocol
Author(s) Downing, KatherineORCID iD for Downing, Katherine orcid.org/0000-0002-6552-8506
Janssen, Xanne
Reilly, John J.
Journal name BMJ open
Volume number 9
Issue number 5
Total pages 6
Publisher BMJ Publishing
Place of publication London, Eng.
Publication date 2019-05
ISSN 2044-6055
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Medicine, General & Internal
General & Internal Medicine
preschool child
screen time
wearable camera
Summary © Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. Introduction Wearable cameras may help overcome the limitations of existing tools to measure young children's sedentary behaviour, but their use introduces a range of ethical challenges. The primary aim of this study is to determine the feasibility of using wearable cameras to measure the two aspects of sedentary behaviour currently included in evidence-based guidelines (ie, screen time and time spent restrained). If shown to be feasible, a secondary aim will be to validate subjective measures against the directly measured screen time and time spent restrained. Methods and analysis A convenience sample (n=20) will be recruited via flyers at the University of Strathclyde and advertisements on online forums for parents of young children (aged 3 to 5 years). Children will be provided with a wearable camera, attached to the front of their clothing with a clip, to be worn for 3 days (2 non-childcare days and 1 weekend day) in non-public settings. Once switched on, the camera will record continuous video footage. Parents will complete an online survey providing their feedback on their own and their child's experience of the wearable camera. They will also report their own and their child's demographical characteristics and their child's usual daily screen time and time spent restrained in the past week. Data will be downloaded using specialised software and second-by-second coding will be undertaken. Feasibility and acceptability will be assessed using percentages and by analysing qualitative data. If feasibility is shown, intraclass coefficients will be used to determine agreement between video data and parent-reported sedentary behaviours. Ethics and dissemination Ethical approval has been granted by the School of Psychological Sciences and Health Ethics Committee at the University of Strathclyde. Results will be used to inform future studies and will be disseminated in peer-reviewed journals and at major international conferences.
Language eng
DOI 10.1136/bmjopen-2018-028265
Indigenous content off
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2019, The Authors
Persistent URL http://hdl.handle.net/10536/DRO/DU:30122856

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