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The hearing protection devices (HPDs) is important for preventing noise induce hearing loss particularly when other exposure control measures could not be applied, however the usage rate was quite low. This study aims to explore the effectiveness of the behaviour promoting program regarding HPDs use among industrial worker. It is a quasi-experimental research with one-group pretest-posttest design. Participants were 33 workers from the department of grid and paste at battery factories in Saraburi province. The program was applied from health belief model as guidance for activities of HPDs use promoting. Study period was 8 weeks. Data collection composed of questionnaire, observation, audiometric test and noise exposures monitoring. The data were analysed using descriptive and inferential statistics, i.e. Paired t-test with respect to the statistical significance level 0.05.
After the program implementation, the mean scores of the knowledge regarding noise hazard and how to use HPDs, perceived risk of hearing loss, perceived benefits, perceived barriers, and behavior of HPDs use were increased 38.11%, 28.28%, 17.65%, 42.62%, and 36.55% respectively. Moreover, temporary threshold shifts in right ear and left ear were decreased 44.13% and 55.01% respectively. In conclusion, activities in this study was practical and may be applied to similar target groups of workers.
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