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Abstract

Industrial environments often generate high noise levels due to the continuous operation of machinery and production equipment. Persistent exposure to workplace noise exceeding the Threshold Limit Value (TLV) can lead to noise-induced hearing loss. According to the World Health Organization, an estimated 430 million people worldwide require rehabilitation for hearing impairment, with 109.4 million of these cases occurring in Southeast and Central Asia. As a critical component of Occupational Health and Safety (OHS) management, noise control is often implemented using Hearing Protection Devices (HPDs). This study aims to evaluate the effectiveness of an earplug-earmuff combination, developed as Madcom Noise Protection, in enhancing noise attenuation and assessing its acceptability among users. Utilizing a quasi-experimental design, the study involved 30 students from Poltekkes Kemenkes Yogyakarta. The results demonstrate that Madcom Noise Protection significantly improved hearing threshold levels by an average of 8.50 dB compared to using an earmuff alone ($p < 0.001$). Furthermore, user acceptability was remarkably high, reaching an average score of 97.33%. In conclusion, the developed earplug-earmuff combination is highly effective in strengthening hearing protection and is well-received as an innovative HPD modification.

Keywords: Noise, Hearing Protection Devices (HPDs), Earplug-Earmuff, Madcom Noise Protection

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Bahasa Abstract

Lingkungan industri sering kali menghasilkan tingkat kebisingan tinggi akibat penggunaan mesin dan peralatan produksi yang beroperasi secara terus-menerus. Kebisingan yang melebihi Nilai Ambang Batas (NAB) secara terus menerus akan menyebabkan gangguan pendengaran akibat kebisingan. Data WHO menunjukkan 430 juta orang di seluruh dunia membutuhkan rehabilitasi karena menderita penyakit gangguan pendengaran, termasuk 109,4 juta penduduk di Asia Tenggara dan Asia Tengah. Upaya pengendalian kebisingan merupakan bagian penting dari manajemen Keselamatan dan Kesehatan Kerja (K3), salah satunya dengan penggunaan Alat Pelindung Telinga (APT). Penelitian ini bertujuan untuk mengevaluasi efektivitas kombinasi earplug-earmuff yang dikembangkan sebagai Madcom Noise Protection dalam meningkatkan peredaman kebisingan serta menilai keberterimaan produk oleh pengguna. Metode penelitian ini menggunakan Quasi Experiment dengan 30 sampel mahasiswa Poltekkes Kemenkes Yogyakarta. Hasil penelitian menunjukkan Madcom Noise Protection mampu meningkatkan nilai peredaman dengan rata-rata sebesar 8,50 dB dibandingkan dengan earmuff tunggal (p < 0,001). Tingkat keberterimaan pengguna mencapai nilai rata-rata 97,33%. Dapat disimpulkan bahwa kombinasi earplug-earmuff yang dikembangkan dalam penelitian ini efektif meningkatkan proteksi pendengaran dibandingkan penggunaan salah satu APT saja, sehingga berpotensi sebagai modifikasi alat pelindung telinga (APT) yang inovatif.

Kata Kunci: Kebisingan, Alat Pelindung Telinga (APT), Earplug-Earmuff, Madcom Noise Protection

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