The physical activity at work (PAW) study: a cluster randomised trial of a multicomponent short-break intervention to reduce sitting time and increase physical activity among office workers in Thailand

Sedentary behaviour increases the risks of non-communicable diseases. The objective of this trial was to evaluate the effect of the Physical Activity at Work multicomponent intervention to reduce sedentary behaviour in Thai office workers. Offices under the Ministry of Public Health Thailand, were r...

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Veröffentlicht in:The Lancet regional health. Southeast Asia 2023-01, Vol.8, p.100086-100086, Article 100086
Hauptverfasser: Akksilp, Katika, Koh, Jemima Jia En, Tan, Vanessa, Tong, Eunice Huiying, Budtarad, Nuttakarn, Xueying, Guo, Dieterich, Anna Valeria, Tai, Bee Choo, Müller, Andre Matthias, Isaranuwatchai, Wanrudee, Rouyard, Thomas, Nakamura, Ryota, Müller-Riemenschneider, Falk, Teerawattananon, Yot, Chen, Cynthia
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Zusammenfassung:Sedentary behaviour increases the risks of non-communicable diseases. The objective of this trial was to evaluate the effect of the Physical Activity at Work multicomponent intervention to reduce sedentary behaviour in Thai office workers. Offices under the Ministry of Public Health Thailand, were randomly allocated to the intervention and control group in a 1:1 ratio, stratified by office size. The intervention included individual (pedometer and lottery-based financial incentives), social (group movement breaks), environmental (posters), and organisational (leader encouragement) components. At baseline and 6-month follow-up, participants wore ActiGraphTM on the waist for ten days. The primary outcome was the between-group difference in sedentary time at 6-month, analysed using a linear mixed-effects model. Other outcomes were physical activity, biomarkers, productivity, and musculoskeletal health. Trial registration: The PAW study was registered at the Thai Clinical Trials Registry (ID TCTR20200604007) on 02 June 2020. 282 office workers were recruited and randomly allocated to the control group (142 participants, nine offices) and the intervention group (140 participants, nine offices). The mean age was 38.6 years (SD = 10.4), and 81% were women. There was no evidence of intervention effects on sedentary time during waking hours (−26.8; 95% CI = −69.2 to 15.7 min), physical activity levels, or biomarkers between groups at 6-month. In the adjusted analysis, increases in time spent in moderate-to-vigorous physical activity (5.45; 95% CI = −0.15 to 11.1 min) and step count (718; 95% CI = −45 to 1481 steps) during waking hours were observed, although there was no evidence of a difference between groups. The intervention did not significantly reduce sedentary time in Thai office workers. Suboptimal intervention uptake due to Covid-19 pandemic restrictions and loss of statistical power associated with recruitment constraints may explain this result. Further investigations are needed to evaluate the processes of the trial. The Thai Health Promotion Foundation and the International Decision Support Initiative (iDSI).
ISSN:2772-3682
2772-3682
DOI:10.1016/j.lansea.2022.100086