Respiratory rate measurements using a tri-axial accelerometer among older adults

Nor Najwatul Akmal Ab. Rahman, Devinder Kaur Ajit Singh, Raymond Y W Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Background & Aim: The objective of the present study was to establish the reliability of measuring respiratory rate using a tri-axial accelerometer among older adults. Method: The study involved 64 participants, age 60 and above. Quiet respiratory effort was measured at a sampling frequency of 10Hz for 60s using a 2g tri-axial accelerometer. The accelerometer was attached using double sided tape on the sternum of the chest. Respiratory effort recording was done for three times and saved for further analysis using Matlab. Two-way mixed model of Intra-class correlation coefficient (ICC) was performed to determine the reliability of respiratory rate. Results: The mean (standard deviation) of respiratory rate during quiet breathing was 19.46(3.87). The ICCs for three readings of respiratory rate was between 0.808 and 0.927. Discussion & Conclusions: The present method of measuring respiratory rate using a tri-axial accelerometer provided an excellent reliability.

Original languageEnglish
Title of host publicationi-CREATe 2013 - International Convention on Rehabilitation Engineering and Assistive Technology, in Conjunction with SENDEX 2013
Publication statusPublished - 2013
Event7th International Convention on Rehabilitation Engineering and Assistive Technology, i-CREATe 2013, in Conjunction with SENDEX 2013 - Gyeonggi-do
Duration: 29 Aug 201331 Aug 2013

Other

Other7th International Convention on Rehabilitation Engineering and Assistive Technology, i-CREATe 2013, in Conjunction with SENDEX 2013
CityGyeonggi-do
Period29/8/1331/8/13

Fingerprint

Accelerometers
Tapes
Sampling

Keywords

  • Accelerometer
  • Reliability
  • Respiratory rate

ASJC Scopus subject areas

  • Software

Cite this

Ab. Rahman, N. N. A., Ajit Singh, D. K., & Lee, R. Y. W. (2013). Respiratory rate measurements using a tri-axial accelerometer among older adults. In i-CREATe 2013 - International Convention on Rehabilitation Engineering and Assistive Technology, in Conjunction with SENDEX 2013

Respiratory rate measurements using a tri-axial accelerometer among older adults. / Ab. Rahman, Nor Najwatul Akmal; Ajit Singh, Devinder Kaur; Lee, Raymond Y W.

i-CREATe 2013 - International Convention on Rehabilitation Engineering and Assistive Technology, in Conjunction with SENDEX 2013. 2013.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ab. Rahman, NNA, Ajit Singh, DK & Lee, RYW 2013, Respiratory rate measurements using a tri-axial accelerometer among older adults. in i-CREATe 2013 - International Convention on Rehabilitation Engineering and Assistive Technology, in Conjunction with SENDEX 2013. 7th International Convention on Rehabilitation Engineering and Assistive Technology, i-CREATe 2013, in Conjunction with SENDEX 2013, Gyeonggi-do, 29/8/13.
Ab. Rahman NNA, Ajit Singh DK, Lee RYW. Respiratory rate measurements using a tri-axial accelerometer among older adults. In i-CREATe 2013 - International Convention on Rehabilitation Engineering and Assistive Technology, in Conjunction with SENDEX 2013. 2013
Ab. Rahman, Nor Najwatul Akmal ; Ajit Singh, Devinder Kaur ; Lee, Raymond Y W. / Respiratory rate measurements using a tri-axial accelerometer among older adults. i-CREATe 2013 - International Convention on Rehabilitation Engineering and Assistive Technology, in Conjunction with SENDEX 2013. 2013.
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AB - Background & Aim: The objective of the present study was to establish the reliability of measuring respiratory rate using a tri-axial accelerometer among older adults. Method: The study involved 64 participants, age 60 and above. Quiet respiratory effort was measured at a sampling frequency of 10Hz for 60s using a 2g tri-axial accelerometer. The accelerometer was attached using double sided tape on the sternum of the chest. Respiratory effort recording was done for three times and saved for further analysis using Matlab. Two-way mixed model of Intra-class correlation coefficient (ICC) was performed to determine the reliability of respiratory rate. Results: The mean (standard deviation) of respiratory rate during quiet breathing was 19.46(3.87). The ICCs for three readings of respiratory rate was between 0.808 and 0.927. Discussion & Conclusions: The present method of measuring respiratory rate using a tri-axial accelerometer provided an excellent reliability.

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