Related Factors of Hearing Loss among Community around the Industrial Factories
Keywords:
Noise, Hearing loss, Communities, FactoriesAbstract
This research is a descriptive correlational research to study the noise levels around the industrial plants, prevalence of hearing loss and the relationship between personal factors with hearing loss of 380 participants who lived around the factory in Kanchanaburi Province. The criteria for selection were participants aged 18 above without hearing loss, living around an industrial plant within a distance of 500 meters. The instruments used in the research were sound level meter, audio meter, questionnaire and statistical analysis using percentage and chi-square.
The results showed that the noise level in the surrounding communities of the Sugar industry, Paper mills and Food factory had the average noise level of 24 hours on weekday, equal to 76.4, 68.8 and 73.3 decibels (A), respectively. Moreover, there were the average noise level of 24 hours on weekend, equal to 65.7, 63.8 and 63.4 decibels (A), respectively. The average of noise level of the Sugar industry and Food factory on weekday were exceeding and Thai environmental regulations while noise level of the Paper mills were not exceeding. Furthermore, noise level in all 3 sources on weekend were not exceeding Thai environmental regulations. The prevalence of hearing loss among people who lived around industrial factories is 3.2 percent. The result showed that age was statistically significant associated with hearing loss (p-value <0.05) but gender, status, education level, work experience, smoking history, history of sound exposure in industrial plants, family history of hearing loss before the age of 50 years old, and history of exposure to chemicals or solvents were not statistically significant associated with hearing loss (p-value <.05)
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