Wellbuilt for wellbeing: Controlling relative humidity in the workplace matters for our health.
AuthorRazjouyan, J; Lee, H; Gilligan, B; Lindberg, C; Nguyen, H; Canada, K; Burton, A; Sharafkhaneh, A; Srinivasan, K; Currim, F; ...
Source TitleIndoor Air: international journal of indoor air quality and climate
University of Melbourne Author/sMehl, Matthias
AffiliationMelbourne School of Population and Global Health
Document TypeJournal Article
CitationsRazjouyan, J., Lee, H., Gilligan, B., Lindberg, C., Nguyen, H., Canada, K., Burton, A., Sharafkhaneh, A., Srinivasan, K., Currim, F., Ram, S., Mehl, M. R., Goebel, N., Lunden, M., Bhangar, S., Heerwagen, J., Kampschroer, K., Sternberg, E. M. & Najafi, B. (2020). Wellbuilt for wellbeing: Controlling relative humidity in the workplace matters for our health.. Indoor Air, 30 (1), pp.167-179. https://doi.org/10.1111/ina.12618.
Access StatusOpen Access
Open Access at PMChttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC6973066
This study offers a new perspective on the role of relative humidity in strategies to improve the health and wellbeing of office workers. A lack of studies of sufficient participant size and diversity relating relative humidity (RH) to measured health outcomes has been a driving factor in relaxing thermal comfort standards for RH and removing a lower limit for dry air. We examined the association between RH and objectively measured stress responses, physical activity (PA), and sleep quality. A diverse group of office workers (n = 134) from four well-functioning federal buildings wore chest-mounted heart rate variability monitors for three consecutive days, while at the same time, RH and temperature (T) were measured in their workplaces. Those who spent the majority of their time at the office in conditions of 30%-60% RH experienced 25% less stress at the office than those who spent the majority of their time in drier conditions. Further, a correlational study of our stress response suggests optimal values for RH may exist within an even narrower range around 45%. Finally, we found an indirect effect of objectively measured poorer sleep quality, mediated by stress responses, for those outside this range.
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