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Introduction: Occupational stress is a modern epidemic. In terms of stress assessment, tools such as questionnaires are believed to be more subjective, especially in the assessment of stress in the workplace, while of course an objective assessment of stress also needs to be carried out. Objective examination for occupationalsstress will be very useful in the occupationalhhealth settings, which can early detect stress at work and prevent the long term effects. Therefore, this literature review aims to investigate the role of HRV in determining occupational stress. Methods: The searching methods used were PubMed and Google Scholar to find related journals about occupational stress and HRV, published in English. The articlessthatmmet the inclusion criteria were analysed basedoonothesstudy design, study population, occupationalsstressaand HRV assessment based on the Centre of Evidence-based Medicine, the University of Oxford for therapy study. Moreover, sample size varied from 8 to 1788. Results: It was found that there are three studies that fit the criteria, which are one systematic review study, one longitudinal study, and one cross-sectional study. The main finding from those articles was that occupational or job stress is found to be associated with lowered HRV value. Conclusion: HRV can be recommended for practicing occupational physicians and company doctors to identify the core areas of work- related stress. Keywords: biomonitoring, heart rate variability, coccupational stress

Taylor et al., 2008 reported that 80% of occupational dermatoses were contact dermatitis. One of the chemicals that can cause skin disorders is pesticides that are often used in the community, especially oil palm plantation companies (PKS). The use of personal protective equipment (PPE) is one risk control for contact dermatitis in workers. This study aims to determine the relationship between the level of knowledge and behavior of PPE usage with contact dermatitis in oil palm pesticide workers. The research design used was cross-sectional using a total sampling technique that is all workers giving oil palm pesticides in one PKS company in a district of 37 people. The variables used were contact dermatitis obtained from workers' medical records, knowledge using questionnaire instruments, and PPE usage behavior through observation for 3 days with random time. The results showed that 62.2% of workers giving oil pesticides had contact dermatitis, there was a significant relationship between the knowledge of the use of PPE and contact dermatitis (p value = 0.001) and there was a significant relationship between the behavior of PPE use with contact dermatitis (p value = 0,000) giver of palm pesticides. To reduce the occurrence of contact dermatitis can be done by increasing the knowledge and behavior of using PPE. Keywords : Contact dermatitis, pesticide, personnel protective equipment, palm oil