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Incubator humidity related practices in extremely preterm infants born < 28 weeks gestation: a global cross-sectional survey of tertiary neonatal intensive care units

On behalf of the research team, we are inviting your neonatal intensive care unit (NICU) to participate in an international survey on incubator humidity related practices in extremely premature infants (< 28 weeks gestational age at birth). In a large international survey on thermoregulation and golden hour practices in extremely preterm infants (, we identified a wide variation in humidity level used.  The aim of this global survey is to comprehensively describe incubator humidity-related practices in NICUs and to explore associations between these practices and clinical outcomes.  This survey was developed by lead clinicians from Australia in collaboration with clinicians from North America, South America, Asia, Europe and Africa.

If you agree to participate in this survey, we ask that the person (medical, nursing or both together) most familiar with incubator humidity related practices in your NICU  complete this survey. Please provide only one response per NICU.  It will take approximately 15-20 minutes to answer all the questions.  The survey can be accessed by clicking the link below. Participation in this study is entirely voluntary and by proceeding with the survey, you are consenting to participate.  We have obtained ethical approval for this survey. The information provided by you will remain confidential and securely stored on the REDCap server located at The University of Sydney in Australia.

We wish to thank you for participating in this survey. This result of this survey will advance the understanding of international practices on incubator humidity and their associations with clinical outcomes in extremely preterm infants. We anticipate the results of this study to be presented at scientific perinatal conferences and published in a peer-reviewed journal. If you require additional information or have questions about the study, please contact If you have any concerns or complaints about the conduct of this study, please contact the Research Support Office of the  Western Sydney Local Health District Human Research Ethics Committee which is nominated to receive complaints from research participants on +61 2 8890 8249 or 

email and quote [HREC 2022/ETH02661].

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