Accuracy of buffers and self-drawn neighbourhoods in representing adolescent GPS measured activity spaces: An exploratory study

dc.contributor.authorChristensen A
dc.contributor.authorGriffiths C
dc.contributor.authorGorse G
dc.contributor.authorRadley D
dc.contributor.authorHobbs, M.
dc.date.accessioned2021-04-29T04:14:40Z
dc.date.available2021-04-29T04:14:40Z
dc.date.issued2021en
dc.date.updated2021-04-22T08:01:42Z
dc.description.abstractBackground: There continues to be a lack of understanding as to the geographical area at which the environment exerts influence on behaviour and health. This exploratory study compares different potential methods of both researcher- and participant-defined definitions of neighbourhood reflect an adolescent’s activity space. Methods: Seven consecutive days of global positioning system (GPS) tracking data were collected at 15 second intervals using a small exploratory adolescent sample of 14–18 year olds (n=69) in West Yorkshire, England. A total of 304,581 GPS tracking points were collected and compared 30 different definitions of researcher-defined neighbourhoods including radial, network and ellipse buffers at 400m, 800m, 1000m, 1600m and 3000m, as well as participant36 defined self-drawn neighbourhoods. Results: This exploratory study supports emerging evidence cautioning against the use of static neighbourhood definitions for defining exposure. Traditional buffers (network and radial) capture at most 67% of activity space (home radial), and at worst they captured only 3.5% (school network) and range from capturing between 3-88% of total time. Similarly, self-drawn neighbourhoods captured only 10% of actual daily movement. Interestingly, 40% of an adolescent’s self-drawn neighbourhood was not used. We also demonstrate that buffers capture a range of space (22-95%) where adolescents do not go, thus misclassifying the exposure. Conclusion: Our exploratory findings demonstrate that neither researcher- nor participant46 defined definition of neighbourhood adequately captures adolescent activity space. Further research with larger samples are needed to confirm the findings of this exploratory study.en
dc.identifier.citationChristensen A, Griffiths C, Hobbs M, Gorse G, Radley D (2021). Accuracy of buffers and self-drawn neighbourhoods in representing adolescent GPS measured activity spaces: An exploratory study. Health & Place. 69. 102569-102569.en
dc.identifier.doihttp://doi.org/10.1016/j.healthplace.2021.102569
dc.identifier.issn1353-8292
dc.identifier.urihttps://hdl.handle.net/10092/101843
dc.languageen
dc.language.isoen
dc.publisherElsevier BVen
dc.rightsAll rights reserved unless otherwise stateden
dc.rights.urihttp://hdl.handle.net/10092/17651en
dc.subjectGISen
dc.subjectenvironmenten
dc.subjectperceived neighbourhoodsen
dc.subject.anzsrc1117 Public Health and Health Servicesen
dc.subject.anzsrc1604 Human Geographyen
dc.subject.anzsrcField of Research::09 - Engineering::0909 - Geomatic Engineering::090903 - Geospatial Information Systemsen
dc.subject.anzsrcField of Research::16 - Studies in Human Society::1604 - Human Geography::160402 - Recreation, Leisure and Tourism Geographyen
dc.subject.anzsrcField of Research::16 - Studies in Human Society::1604 - Human Geography::160403 - Social and Cultural Geographyen
dc.subject.anzsrcField of Research::11 - Medical and Health Sciences::1117 - Public Health and Health Services::111704 - Community Child Healthen
dc.titleAccuracy of buffers and self-drawn neighbourhoods in representing adolescent GPS measured activity spaces: An exploratory studyen
dc.typeJournal Articleen
uc.collegeFaculty of Health
uc.departmentSchool of Health Sciences
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