Table 5 Overview of room acoustic measurements
From: Use of moulded hearing protectors by child care workers - an interventional pilot study
Institutions | Participants | Mean reverberation time in seconds (T0): (actual) (target) | Room acoustic improvements recommended by the room acoustics expert | ||
|---|---|---|---|---|---|
T0 (N) | T2 (N) | ||||
Child day care centres | C1 | 2 | 2 | 0.48 (0.50) | No |
C2 | 3 | 1 | 0.46 (0.40), 0.47 (0.40), 0.73 (0.50) | Yes | |
C3 | 3 | 3 | 0.60 (0.50), 0.45 (0.40), 0.60 (0.40) | No | |
C4 | 1 | 0 | 0.48 (0.50), 0.60 (0.45), 0.50 (0.40) | No | |
C5 | 3 | 2 | 0.38 (0.45) | No | |
C6 | 3 | 2 | 0.48 (0.40), 0.56 (0.50) | Yes | |
C7 | 3 | 3 | 0.35 (0.40), 0.44 (0.50) | Yes | |
C8 | 5 | 4 | 0.64 (0.55), 0.49 (0.40), 0.37 (0.40), 0.58 (0.50) | Yes | |
C9 | 7 | 5 | 0.70 (0.55), 0.54 (0.50), 0.61 (0.50) | Yes | |
C10 | 2 | 1 | 0.53 (0.40), 0.45 (0.40), 0.89 (0.50) | Yes | |
C11 | 4 | 4 | 0.42 (0.50) | No | |
School partnerships | S1 | 1 | 1 | 0.57 (0.55), 0.66 (0.55) | No |
S2 | 3 | 2 | 0.47 (0.50), 0.60 (0.50), 0.69 (0.50), 0.73 (0.80) | Yes | |
S3 | 2 | 0 | 0.85 (0.65), 0.88 (0.65), 0.50 (0.50) | Yes | |
S4 | 2 | 2 | 0.64 (0.60), 0.82 (0.60), 0.57 (0.50), 0.97 (0.70) | Yes | |
S5 | 1 | 1 | No measurements | No information | |