Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/20630
Appears in Collections:Faculty of Health Sciences and Sport Journal Articles
Peer Review Status: Refereed
Title: Validation of a novel, objective measure of occupational sitting
Authors: Ryde, Gemma
Gilson, Nicholas D
Suppini, Alessandro
Brown, Wendy J
Contact Email: gemma.ryde@stir.ac.uk
Keywords: Measurement
Sedentary behaviour
Sitting
Workplace
Issue Date: Jun-2012
Publisher: Japan Society for Occupational Health
Citation: Ryde G, Gilson ND, Suppini A & Brown WJ (2012) Validation of a novel, objective measure of occupational sitting, Journal of Occupational Health, 54 (5), pp. 383-386.
Abstract: Objective: To test the validity of a sitting pad (SP) to measure desk based sitting time and transitions, against camera derived direct observation; and to compare the data with those from inclinometers in the ActivPAL3 (AP) and ActiGraph GT3X+ (AG). Methods: Australian employees (n=13; 9 women; mean age 30 ± 6.5 years) were provided with a SP, AG and AP in 2011. A camera recorded chair based transitions during a prescribed and a free living protocol. Mean sitting time and transitions were calculated for each device and intra-class correlations (ICCs) and mean differences between (a) the SP and the camera and (b) the AP, AG and camera, were compared. Results: During the prescribed protocol, the smallest mean differences compared with the camera were for the SP; sitting time 0.30 ± 0.21 minutes, transitions -0.46 ± 0.78. During free living, both the SP and AP (set to record events greater than 3 seconds) showed excellent levels of agreement with the camera for sitting time (0.999 and 0.990 respectively) and transitions (0.997 and 0.928 respectively). Agreement between the camera and the AG was poor for both sitting time and transitions (0.257 and 0.033 respectively). Conclusions: The SP is a highly accurate measure of desk based sitting time and transitions and provides novel measurement and intervention opportunities for research into occupational sitting.
Type: Journal Article
URI: http://hdl.handle.net/1893/20630
DOI Link: http://dx.doi.org/10.1539/joh.12-0091-BR
Rights: The publisher has granted permission for use of this work in this Repository. Published in Journal of Occupational Health, 2012, 54.5, pp. 383-386 by Japan Society for Occupational Health: https://www.jstage.jst.go.jp/article/joh/54/5/54_12-0091-BR/_article
Affiliation: HS Research - Stirling
University of Queensland
University of Queensland
University of Queensland

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