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Longitudinal Relationship Between Sitting Time on a Working Day and Vitality, Work Performance, Presenteeism, and
Ingrid J M Hendriksen1, Claire M Bernaards, Wouter M P Steijn
1Expertise Centre Lifestyle, Netherlands Organisation for Applied Scientific Research TNO, Leiden (Drs Hendriksen, Bernaards, Hildebrandt); Body@Work Research Center on Physical Activity, Work and Health TNO-VU/VUmc, Amsterdam (Drs Hendriksen, Bernaards, Hildebrandt); and Department of Urban Environment and Safety, Netherlands Organisation for Applied Scientific Research TNO, Leiden, The Netherlands (Dr Steijn).
Objective:
The aim of this study was to explore the longitudinal relationship between sitting time on a working day and vitality, work performance, presenteeism, and sickness absence.
Methods:
At the start and end of a five-month intervention program at the workplace, as well as 10 months after the intervention, sitting time and work-related outcomes were measured using a standardized self-administered questionnaire and company records. Generalized linear mixed models were used to estimate the longitudinal relationship between sitting time and work-related outcomes, and possible interaction effects over time.
Results:
A significant and sustainable decrease in sitting time on a working day was observed. Sitting less was significantly related to higher vitality scores, but this effect was marginal (b = -0.0006, P = 0.000).
Conclusions:
Our finding of significant though marginal associations between sitting time and important work-related outcomes justifies further research.
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