TITLE

Changing Levels of Quiet in an Intensive Care Nursery

AUTHOR(S)
Philbin, M Kathleen; Gray, Lincoln
PUB. DATE
September 2002
SOURCE
Journal of Perinatology;Sep2002, Vol. 22 Issue 6, p455
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
OBJECTIVES: To document low sound levels, the range and pattern of levels, and the relative effects of operational (staff and equipment generated) and facility (building generated) noise on the acoustic environment of a level III nursery. STUDY DESIGN: A quasi-experimental, prospective, longitudinal study of one bed space. Operational noise was reduced through staff behavior change while facility noise was reduced through renovation. RESULTS: Initial noise levels were typical of those in the literature and in recently measured nurseries. About 80% of sound levels were between 62 and 70 dBA. The lowest levels ( (L[SUBmin]) were 60 to 65 dBA. After staff behavior change, L[SUBmin] was about 56 dBA although the highest levels (L[SUBmax]) remained at 78 to 100 dBA. Levels following renovation were reduced to (L[SUBmin]s of 47 to 51 dBA and (L[SUBmax]s of 68 to 84 dBA, perceived as three or four times quieter than initially. CONCLUSIONS: Staff behavior as well as the acoustical characteristics of the facility determine the levels of noise and quiet in an intensive care nursery.
ACCESSION #
8882505

 

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