Skip to main content

Table 3 Results of post-task questions about perceived strains by noise conditions

From: Effects of intensive care unit ambient sounds on healthcare professionals: results of an online survey and noise exposure in an experimental setting

Questions Noise Mean ± SD Median Z p Sign
“How stressed did you feel during the task?” Pink 47.1 ± 23.9 50 856.5 0.002 **
ICU 61.6 ± 19.2 66.5
“I experienced the background sound as too loud.” Pink 1.96 ± 0.71 2 762 < 0.001 ***
ICU 2.87 ± 0.89 3
“During the n-Back task, I felt distracted by the background sound.” Pink 1.96 ± 0.79 2 640 < 0.001 ***
ICU 2.87 ± 0.95 3
“I felt annoyed by the background sounds.” Pink 1.83 ± 0.76 2 355 0.002 **
ICU 2.37 ± 0.91 2
“I was able to solve the task reliable and correctly.” Pink 2.38 ± 0.77 3 107 0.007 **
ICU 2.00 ± 0.77 2
  1. SD standard deviation, sign significance
  2. *p < 0.05
  3. **p < 0.01
  4. ***p < 0.001