Noise Health Close
 

Figure 6 Relationship between sound level and hazard ratio obtained from the survival analysis. A solid line and shading indicate the hazard ratio and its 95% CI with a threshold of 60 dB. Black circles and error bars show the results obtained by categorising the sound levels (<60 dB, 60–70 dB, 70–80 dB and >80 dB)

Figure 6 Relationship between sound level and hazard ratio obtained from the survival analysis. A solid line and shading indicate the hazard ratio and its 95% CI with a threshold of 60 dB. Black circles and error bars show the results obtained by categorising the sound levels (<60 dB, 60–70 dB, 70–80 dB and >80 dB)