Risk prediction model for high frequency noise-induced hearing loss in young male workers exposed to noise
- Author:
BAILu xi LIYan ru DUANDan ping QIUCong xi ZHANGHai LIUYi min
- Publication Type:Journal Article
- Keywords:
Noise Hearingloss Influencingfactors Risk Predictionmodel Survivalanalysis
- From:
China Occupational Medicine
2022;51(03):241-
- CountryChina
- Language:Chinese
-
Abstract:
Abstract: Objective - - （ ）
To investigate the influencing factors of high frequency noise induced hearing loss NIHL in young
， Methods
maleworkersexposedtonoise andtoestablishariskpredictionmodelforNIHL. Theyoungmaleswhowerenewly
recruitedandwithnormalhearinginnoiseoperationsinanautomobilemanufacturingenterprisefrom 2016to2018wasselected
-
asresearchsubjectusingaretrospectivecohortstudy.Afollow upsurveywasconducted.MultivariateCoxproportionalhazards，
regressionmodelwasusedtoanalyzetheinfluencingfactorsofNIHL andthepartialregressioncoefficientwasusedtoconstruct
（PI） PI ， - （PI< ） -
theprognosticindex model.Accordingtothe value thesubjectsweredividedintolow riskgroup 0.00 andhigh
（PI ） - Results ，
risk group ≥0.00 .Kaplan Meiermethod wasused toanalyzetherisk ofNIHL. By 2020 theincidenceofNIHL
（ ）， - ，
was 33.4% 167/500 which was pure high frequency NIHL and no speech frequency NIHL was detected. Cox proportional
-
hazard regression model analysis showed that the risk of high frequency NIHL was 2.03 times higher than those with
（P< ），
occupational noise exposure level exceeding the standard 0.01 1.62 times higher in those with drinking than in those
（P< ）， （P<
without drinking 0.05 and 1.69 times higher in those with noisy living environment than in those without drinking
） PI
0.05 . The model constructed according to the partial regression coefficients of the above three influencing factors is
PI x x x - （ ，
=−0.44+0.71 occupational intensity + 0.49 drinking + 0.52 The probability of high frequency NIHL 3.9%
， ， ， ） - ， ， ， ，
12.3% 19.4% 30.4% 51.1% in the high risk group at 12 24 36 48 and 52 months after taking office was higher than
- （ ， ， ， ， ），
that in the low risk group 2.3% 8.3% 10.7% 15.3% and 27.5% especially in the third year after taking office.
