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Fatigue measurement was performed as baseline to see fatigue profile on drivers at an expedition service company. A total of 52 drivers were measured for 10 minutes using Psychomotor Vigilance Task-192 (PVT-192). From the mean reaction time, respondents had normal and significant fatigue profiles of 0.046 on the driving distance with the negative pattern. There was one fatigue driver and 18 sleepiness drivers after dropping off the load. Promotion and preventive activities need periodically (education and medical checks up). Curative and rehabilitative programs for drivers had fatigue. Key words: Fatigue, KSS, PVT-192, Sleepiness, Driver, Truck.
Hasil penelitian menunjukkan bahwa shift kerja malam hari (p < 0,05), Kebiasaan minum kopi (<0,01), Kebiasaan mimum mimuman berenergi (p < 0,05), kebiasaan berolah raga (p < 0,05), Waktu mengemudi (p < 0,05) dan dukungan rekan (p < 0,01) memiliki hubungan bermakna dengan Fatigue pada metode SOFI. Untuk pengukuran metode S2P faktor yang berhubungan bermakna adalah bekerja shift malam (p<0,01), kebiasaan mimum kopi (p < 0,05), atau mimuman berenergi (p = 0,05), dukungan rekan ( p < 0,001) dan Sleep Hygiene ( p <0,001).
Hasil penelitian menyarankan perusahan harus dan pengemudi harus adalah shift kerja malam hari (p <0,01), kebiasaan minum kopi (p < 0,05), menerapkan pola hidup sehat dengan menghindari minum kopi, meningkatkan sleep hygiene untuk meningkatkan kualitas tidur dan menjaga kerjasama team yang sudah baik
Hasil penelitian didapatkan prevalensi operator yang mengalami fatigue ringan 80,4% dan fatigue sedang sebanyak 19,6%. Variabel lama jam kerja, kondisi fisik/kesehatan, waktu tidur dan shift kerja merupakan variabel yang berhubungan dengan kejadian fatigue pada analisis bivariat sedangkan variabel yang paling berpengaruh pada kejadian fatigue adalah variabel shift kerja dimana shift kerja merupakan satu-satunya variabel yang berhubungan dengan fatigue pada analisis multivariat. Responden yang bekerja shift malam mempunyai peluang 11,046 kali dibandingkan dengan responden yang bekerja shift siang.
Kata kunci : fatigue, shift kerja, kondisi fisik/kesehatan, jam kerja, waktu tidur
Fatigue is the one problem faced by company related to occupational health and safety issues, mainly in company which applies shift work system. The porpuse of the research is to figure out of fatigue prevalence in geothermal power plant operator and risk factors related to fatigue that make its occurence. The design of this study uses cross sectional method, where the datas collect by using questionnarie of international fatigue research committee (IFRC), field observation, operational data and direct measurement. There are many factors which are associated with fatigue. But in this study, there are 11 variables that is taken. They are: age, body mass index, monotonous, working hours, sleep hours, physical/health condition, shift work, work load, lighthing, temperature and noise.
The result of study shows the prevalence of operator that is light fatigue 80,4% and medium fatigue 19,6%. The variable independent which is related to fatigue are working hours, physical/health condition, sleep hours and shift work (the result from analysis bivariate). In multivariate analysis the variable that is significant influencing of fatigue occurence is shift work with the odd ratio 11,04. It means the workers who work on night shift has opportunity to being fatigue 11,045 times compare to workers who work on day shift.
Key Word : fatigue, shift work, working hours, physical/health condition, sleep hours.
ABSTRAK Nama : MOCHAMAD FEBIYANTO Program Studi : Magister Keselamatan dan Kesehatan Kerja Judul : Analisis Profil Persepsi Risiko Supir (operator) Truk Angkut Batubara di PT X Tahun 2017 Sebagian besar kecelakaan di jalan angkut batubara perusahaan pertambangan PT X pada tahun 2016 melibatkan supir (operator) truk angkut batubara yang penyebab utamanya adalah tindakan tidak aman dari supir. Tindakan tidak aman ini dipengaruhi oleh persepsi risiko yang dimiliki oleh supir. Penelitian ini bertujuan untuk melakukan analisis dan melihat profil persepsi risiko supir (operator) truk angkut batubara terhadap faktor penyebab kecelakaan di PT X tahun 2017. Pengukuran profil persepsi risiko menggunakan 6 dimensi psikometri, yaitu kesukarelaan terhadap risiko, kesegeraan akibat, pengetahuan tentang risiko, pengendalian risiko, ketakutan, dan keparahan akibat. Data dikumpulkan dari 121 partisipan yang berasal dari 6 perusahaan jasa pertambangan kontraktor PT X yang melakukan kegiatan pengangkutan batubara. Hasil dari penelitian ini menunjukkan supir (operator) truk angkut batubara di PT X memiliki persepsi risiko yang baik pada 5 dimensi dari 6 dimensi psikometri yang diukur, sehingga secara umum profil persepsi risiko supir adalah baik. Penelitian ini juga menunjukkan usia memberikan perbedaan yang bermakna pada nilai rata-rata persepsi risiko dimensi pengetahuan tentang risiko, ketakutan, dan keparahan akibat. Sedangkan lama masa kerja dan asal perusahaan tidak memberikan perbedaan yang bermakna pada nilai rata-rata persepsi risiko. Kata kunci: Persepsi risiko; psikometri; pertambangan; supir truk
ABSTRACT Name : MOCHAMAD FEBIYANTO Study Program : Magister Keselamatan dan Kesehatan Kerja Title : Risk Perception Analysis of Coal Haul Truck Drivers at PT X Year 2017 Most of the accidents on PT X's coal haul roads in 2016 involve coal haul truck drivers whose main cause is the unsafe act of the drivers. This unsafe act is influenced by the risk perception that the driver has. This study aims to analyze and see the profile of the risk perception of coal haul truck drivers to the factors that cause accidents in PT X year 2017. Measurement of risk perception profile using 6 dimensions of psychometric, namely voluntariness of risk, immediacy of effect, knowledge about risk, control over risk, common-dread, and severity of consequences. Data were collected from 121 participants from 6 mining service contractors PT X who conducted coal hauling activities. The results of this study indicate that the coal hauling truck drivers in PT X has a good risk perception on the 5 dimensions of the six dimensions of the measured psychometry, so that in general the risk perception profile of the driver is good. The study also showed age to have significant differences in the risk perception’s mean value of knowledge about risk, common-dread, and severity of consequences. While the work experience and the origin of the company does not provide a meaningful difference in the mean value of risk perception. Keyword: risk perception; psychometric paradigm; mining; truck drivers
Fatigue is the major cause of accident involving heavy vehicle drivers, one of them is truck drivers. Therefore, the purpose of this research is to identify fatigue hazard and analyze fatigue risk level, so that the appropriate control can be determined. Variables studied include length of work, work shift, work environment, workload, rest time, physical condition, sleep quantity, sleep disturbance, and stress. Identification of fatigue hazard and analysis of fatigue risk level conducted to each variable. Identification of fatigue hazard was conducted by observation and interview with the drivers and the operator. Analysis of fatigue risk level was conducted by qualitative method and calculated with crossing consequences level and likelihood level.
Kata kunci: ergonomi, gangguan otot rangka, kasir, postur janggal, gerakan repetitif, psikososial
Cashiers are at risk to develop musculoskeletal disorders. The purpose of this research is to identify risk factors of musculoskeletal symptoms. The design of this research is cross-sectional. Data was collected with QEC, combination of psychosocial questionnaire, NMQ, meter tools, and lux meter. Results showed that the highest musculoskeletal symptoms prevalence was found in shoulder and there are significant association between: gender and shoulder (OR: 3.575) & ankle (OR: 2.784) symptoms, job satisfaction and low back symptoms (OR: 3.059), effort and low back symptoms (OR: 7.650). Based on results, it is recommended to adjust workstation based on anthropometry data.
Keywords: ergonomic, musculoskeletal symptoms, cashier, awkward position, repetitive movement, psychosocial factor
