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This study was designed to evaluate the perceived effects of exposure to occupational noise pollution on hearing loss among cement factory workers in Edo State, Nigeria. A descriptive cross-sectional survey design was adopted for the study, and 183 factory workers, mainly males working at different departments in the factory, were sampled. A well-d...
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... in Table 7, revealed a non-significant relationship between hours at work and hearing status at PTA512 and PTA346 [χ2 (5, n= 366) = 0.62 and 1.08; p > 0.05] for right ears. Normal hearing 38 54 62 176 7.31 5 1.46 Hearing loss 4 8 0 24 Total 42 62 62 200 PTA346 Normal hearing 40 56 62 180 5.46 5 1.92 Hearing loss 2 6 16 20 Total 42 62 46 200 Significant at 0.05 Multiple regression analysis as displayed in Table 9, was used to test if variables such as age, years of experience, departments and knowledge significantly predicted hearing loss at PTA512 for right ears. The regression results revealed that 4 predictors explained 8% of the variability [R2 = .07, ...