Case Study in a Working Environment Highlighting the Divergence between Sound Level and Workers’ Perception towards Noise
Abstract
:1. Introduction
2. Materials and Methods
2.1. Site Recruitment
2.2. Interviews
2.3. Noise Level Measurements
2.4. Data Convergence
3. Results
3.1. Interview Responses
3.1.1. Respondent Characteristics
3.1.2. Attitude and Perception of Noise in the Workplace
3.1.3. Perceived Challenges in Reducing Noise Levels
3.1.4. Data Convergence—Noise measurements vs. Interview Responses
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Variable | Subcategory | % |
---|---|---|
Sex | Female | 54.5 |
Male | 45.5 | |
Age | 25–34 years old | 18.2 |
35–44 years old | 27.3 | |
45–54 years old | 27.3 | |
55–65 years old | 22.7 | |
65+ years old | 4.5 | |
Highest education level | High school or less | 59.1 |
College | 22.7 | |
University | 18.2 | |
Tenure in current position | <1 year | 9.1 |
1–4 years | 13.6 | |
5–9 years | 27.3 | |
10–14 years | 27.3 | |
15–19 years | 4.5 | |
20+ years | 18.2 |
Question | Yes/Agree (%) | No/Disagree (%) | Don’t Know (%) |
---|---|---|---|
Noise is an important occupational health and safety issue | 86.4 | 13.6 | - |
Noise should be given more focus/attention/discussion | 77.3 | 22.7 | - |
Noise is an issue not always taken seriously | 54.5 | 45.5 | - |
People need education/awareness regarding noise | 90.9 | 9.1 | - |
You would feel better if your workplace was quieter | 77.3 | 9.1 | 13.6 |
You worry about noise in your workplace | 54.5 | 31.8 | 13.6 |
Site. (Number of Interviewees) | Worker Identification | Department(s) | Range of Measured Noise Levels (Average) (dBA) | Perception of Noise Verbatim Comments [Perception Category *] |
---|---|---|---|---|
1—Cured meats (n = 4) | Worker 1A | Ready to Eat | 88.2–111.0 (100) | I don’t have no problem, you know. I don’t, think you need to wear the things (ear plugs) you know, that’s what I say [A] |
Worker 1B | Ready to Eat | 88.2–111.0 (100) | It’s always the same noise. I don’t think nothing can be done, because it’s the machines [B] | |
Worker 1C | Kitchen/raw preparation | 85.1–109.2 (97) | It’s pretty loud. They provide these (ear plugs) and it’s just a matter of people wearing them. They are the best solution to the noise problem [C] | |
Worker 1D | Kitchen/raw preparation | 85.1–109.2 (97) | The machines that I use, they are not really that noisy [A] | |
2—Meat seasoning (n = 6) | Worker 2A | Bakery | 82.6–84.8 (84) | 8 h exposure every day, better now than it once was in my area (bakery). Still 80 to 85dB. There’s a lot of vibration and everything, which is also very tiring and wearing on the body [B] |
Worker 2B | Bakery; Bagging area; Maintenance; Mixing floor | 82.6–84.8; 82.3–84.5; 75.7–84.1; 70.8–78.3 (81) | It’s definitely loud and over 85. Like you’re yelling at one another [C] | |
Worker 2C | Bakery; Maintenance; Mixing Floor | 82.6–84.8; 75.7–84.1; 70.8–78.3 (80) | The company is adequate in trying to protect your hearing. My exposure changes day to day too. Noise is effectively controlled by the employer [B] | |
Worker 2D | Bakery; Mixing Floor | 82.6–84.8; 70.8–78.3 (80) | Not uncomfortably loud, but loud. I can tolerate the noise, as it’s at the threshold. [B] | |
Worker 2E | Production | 77.3–84.1 (81) | The noise level is definitely on the higher side; but at the threshold for the maximum allowed [B] | |
Worker 2F | Production | 77.3–84.1 (81) | Especially when all the machines (sic) going, it’s really loud noise. It’s really annoying. I have an appointment with my doctor next month, as I am experiencing hearing loss. There was no problem before I started [C] | |
3—Cured meats (n = 6) | Worker 3A | Slicing; Packaging | 85.3–87.6; 84.7–90.6 (88) | Both areas where I work are noisy [C] |
Worker 3B | Raw Production | 88.5–92.4 (91) | It’s loud, especially when the machines gave (sic) that banging, when it gets ready to finish. I’m so use to not wearing them (ear plugs), you get comfortable with the noise [A] | |
Worker 3C | Raw Production | 88.5–92.4 (91) | It’s (the noise) usually the same from when you start until when you end. I’ve always worked in loud environments - never bothered me. There’s always ear plugs, so if it’s too noisy you wear ear plugs right? [A] | |
Worker 3D | Raw Production | 88.5–92.4 (91) | Not affected by it—I can tolerate it [A] | |
Worker 3E | Packaging | 84.7–90.6 (88) | It’s not that bad. The noise doesn’t bother me [A] | |
Worker 3F | Maintenance | 72.6–82.1 (78) | It (the noise) is bothersome of course for anyone—I’m not too sensitive to it. [B] | |
4—Deli meats (n = 6) | Worker 4A | Packaging | 89.9–91.7 (91) | Personally, the noise bothers me. Sometimes I get headaches, because we work in there so long, we get used to it. [C] |
Worker 4B | Maintenance | 47.5–75.4 (62) | It’s not that bad, because we get training, if that machine is going to make noise we have to wear protection, right? [B] | |
Worker 4C | Packaging | 89.9–91.7 (91) | Really, sometimes it bother me, sometimes it don’t. You know. Because when I’m working, I don’t really pay attention. Sometimes I tune it out and sometimes I wear earplugs. [A] | |
Worker 4D | Ready to eat | 85.5–91.5 (89) | For me, it’s not too noisy. Even I can work without ear plugs [A] | |
Worker 4E | Packaging | 89.9–91.7 (91) | I’m okay with noise in the workplace. [A] | |
Worker 4F | Packaging; Ready to eat | 89.9–91.7; 85.5–91.5 (90) | In some areas, it can be unbearable. I personally do carry earplugs with me and when I find it unbearable I will put them on [C] |
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Hon, C.-Y.; Tchernikov, I.; Fairclough, C.; Behar, A. Case Study in a Working Environment Highlighting the Divergence between Sound Level and Workers’ Perception towards Noise. Int. J. Environ. Res. Public Health 2020, 17, 6122. https://doi.org/10.3390/ijerph17176122
Hon C-Y, Tchernikov I, Fairclough C, Behar A. Case Study in a Working Environment Highlighting the Divergence between Sound Level and Workers’ Perception towards Noise. International Journal of Environmental Research and Public Health. 2020; 17(17):6122. https://doi.org/10.3390/ijerph17176122
Chicago/Turabian StyleHon, Chun-Yip, Illia Tchernikov, Craig Fairclough, and Alberto Behar. 2020. "Case Study in a Working Environment Highlighting the Divergence between Sound Level and Workers’ Perception towards Noise" International Journal of Environmental Research and Public Health 17, no. 17: 6122. https://doi.org/10.3390/ijerph17176122