Sleep-wake monitoring of people with intellectual disability: Examining the agreement of EMFIT QS and actigraphy

H.P. Buimer*, N.M. Siebelink, Annemarije Gaasterland, K. van Dam, A. Smits, K. Frederiks, A. van Der Poel

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

BackgroundGaining insight into sleep-wake patterns of persons with intellectual disabilities is commonly done using wrist actigraphy. For some people, contactless alternatives are needed. This study compares a contactless bed sensor with wrist actigraphy to monitor sleep-wake patterns of people with moderate to profound intellectual disabilities. MethodData were collected with EMFIT QS (activity and presence) and MotionWatch 8/Actiwatch 2 (activity, ambient light, and event marker/sleep diary) for 14 nights in 13 adults with moderate-profound intellectual disabilities residing in intramural care. ResultsIn a care-as-usual setting, EMFIT QS and actigraphy assessment show little agreement on sleep-wake variables. ConclusionCurrently, EMFIT QS should not be considered an alternative to wrist actigraphy for sleep-wake monitoring. Further research is needed into assessing sleep-wake variables using (contactless) technological devices and how the data should be interpreted within the care context to achieve reliable and valid information on sleep-wake patterns of people with intellectual disabilities.
Original languageEnglish
Pages (from-to)1276-1287
Number of pages12
JournalJournal of Applied Research in Intellectual Disabilities
Volume36
Issue number6
Early online date2023
DOIs
Publication statusPublished - 2023

Keywords

  • Actigraphy
  • Ballistocardiography
  • Intellectual disability
  • Sleep

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