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Table 2 Description of the outcome variables in the intervention and reference groups

From: Use of moulded hearing protectors by child care workers - an interventional pilot study

  Intervention group (N = 33)* Reference group (N = 61)*
T0 T2 p T0 T2 p
Subjective Noise Exposure 44.5 (8.8) 45.7 (7.9) 0.30 38.1 (10.3) 39.7 (10.5) 0.08
Δ Subjective Noise Exposure
T2-T0
1.2 (7.4) NA 1.6 (6.8) 0.80
Burnout Risk Scale 55.2 (19.4) 57.7 (17.7) 0.40 50.6 (19.7) 54.5 (22.1) 0.05
Δ Burnout Risk Scale
T2-T0
2.5 (18.3) NA 3.9 (15.3) 0.70
Burnout Risk Scale ≥ 50 66.7 % 72.7 % 0.62 54.1 % 62.3 % 0.22
  1. *given values are means (standard deviations), rates and p-values