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Table 4 Results of multivariate linear regression (N = 32), adjusted for subjective noise exposure at time point T0

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

Dependent variable: Difference in subjective noise exposure T2-T0
Factor Effect 95 % CI P
Breaks and possibilities for recovery are missing (1 = yes, 0 no) 5.7 1.29–10.13 0.013
  R 2 = 0.42