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Table 4 Ambient noise levels LAeq according to both number of call and number of EMDC workers

From: Impact of a visual indicator on the noise level in an emergency medical dispatch centre - a pilot study

 

Number of people on duty

Number of calls

8–9

10–17

18–20

0

56.3

59.3

63.4

1–2

56.5

59.0

61.5

≥3

57.7

59.2

61.1

  1. The interaction between the number of calls and the numbers of EDMC workers was associated to a P-value lower then 10−3 in the two-level multivariable linear regression model