Behavioural Phenotyping of Daily Activities Relevant to Social Functioning Based on Smartphone-Collected Geolocation Data

Paolo Fraccaro, Stuart Lavery-Blackie, Sabine N Van der Veer, Niels Peek

Research output: Contribution to journalArticlepeer-review

Abstract

Smartphones offer new opportunities to monitor health-related behaviours in the real world. This allows researchers to go beyond traditional data collection methods, such as interviews and questionnaires that suffer from recall bias and low spatio-temporal resolution. In this study, we present an experiment that uses advanced analytical methods to identify daily activities relevant to assess social functioning, from geolocation data. Twenty-one healthy volunteers used a smartphone to continuously record their GPS location for up to 10 days. Participants also completed a diary to record their daily activities that was used as ground truth. Using clustering algorithms and semantic enrichment methods we were able to predict these activities from the GPS data with a precision of 0.75 (standard deviation [SD] 0.13) and a recall of 0.60 (SD 0.11). Although performed on a limited sample, our study shows potential for continuous, and passive geolocation-based monitoring of patient behaviour in mental health.

Original languageEnglish
Pages (from-to)945-949
Number of pages5
JournalStudies in Health Technology and Informatics
Volume264
DOIs
Publication statusPublished - 21 Aug 2019

Keywords

  • Humans
  • Mental Health
  • Monitoring, Physiologic
  • Smartphone
  • Surveys and Questionnaires

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