Several epidemiologic studies have reported that exposure to noise is associated with cardiovascular disease. The increased body weight is often associated with metabolic as well as increased blood pressure. The aim of this study is to investigate the correlation between the elevation of blood pressure and serum leptin hormones due to the effects of noise in the work place. A total of 80 volunteer males where included in this study with an age range between of 20 and 45 years, they were divided in two groups equally, the 1 st group were exposed to noise in the workplace while the 2 nd group were not. The individual noise exposure was determined by using a sound level meter. The range of noise was 80-100 dBA. Body Mass Index was also taken for each individual by a standard measure, blood pressure was measured by OMRON sphygmomanometer and serum leptin was measured through venous blood sample analysis enzyme linked immunosorbent assay. Spearman rank order correlation was used to examine the correlations between Blood pressure value (Systolic, Diastolic) and Leptin. All the relationships between parameters showed a positive correlation. Systolic and diastolic blood pressure values had a significant correlation to leptin hormone level in comparison to the control. There was a significant relation between leptin and blood pressure. leptin effects on the sympathetic nervous system may provide a partial explanation. Therefore, Leptin might have diverse cardiovascular actions.

Occupational diseases are one of the major health problems related to workplace hazards. However, the epidemiological data for this problem is scarce especially among Small and Medium Industry (SMI) workers. These workers are vulnerable to occupational health problem due to lack of knowledge and implementation of health and safety in the workplace. In Malaysia, most of the SMI workers have limited coverage for basic occupational health services which may worsen their health. Thus, this article aims to provide a review on the burden of occupational health problems among them. The electronic and library searches were used to extract the information from both published and unpublished articles that were not limited to any year of publication until 2017. One hundred and ninety-six published articles and 198 unpublished articles were retrieved from the database. Only 19 published articles and 25 unpublished articles met the eligibility criteria. Prevalence data of occupational diseases/poisoning, including overall and body specific (musculoskeletal disorders) was extracted in raw data from the eligible studies. Prevalent statistics on occupational musculoskeletal diseases (1.3% - 97.6%), noise-induced hearing loss (29.4% - 73.3%), occupational skin diseases (10.5% - 84.3%), respiratory (1.9% - 92.2%) and occupational poisoning (14.9% - 17.7%) among the working population is different within published papers compared to unpublished ones. In Malaysia, there are no specific statistic that give a true picture of the burden of occupational diseases in the SMI. However, this review concludes that musculoskeletal diseases are significant occupational problems among SMI workers.

There is serious concern on noise hazard in operating theatre especially in the orthopaedics field that requires usage of many instruments. However, data on this noise exposure particularly in Malaysia is rather limited. This study was conducted as a pilot study to investigate the noise exposure in orthopaedics theatre in a hospital in Kuantan, Pahang in June 2011. Several different orthopaedics theatres involving procedures that use powered instruments were investigated. Time recorded noise exposures were taken using personal noise dosimeters throughout the surgeries worn by the surgeons. The peak noise level and the average noise exposure within 8 hours were determined, and compared with the available Factory and Machinery Act (Noise) standards. Six out of seven surgeries exceeded 140 dBA for peak sound levels. The average noise exposure within 8 hours was below 85 dBA in all cases. Although the average noise level did not surpass the stipulated guidelines, the peak level exceeding 140 dBA still carries risk for hearing loss. In conclusion, healthcare personnel in operating theatre were exposed to noise hazard for certain medical procedures. Hence, proper noise management should be implemented to protect them from noise-induced hearing loss while maintaining the success and efficiency of the surgeries.

Exposure to certain solvents in the workplace can cause hearing loss. This study aims to bring attention to the existing literature on the adverse effects of solvents on workers' auditory function in a diverse Asia occupational setting. The literature search used in this study is PubMed and Web of Science. 87% of the selected studies reported that the highest prevalence of hearing loss was from solvents plus noise-exposed group. Evidence shows that interaction between the solvent and the noise could be both additive and synergistic. More epidemiology studies on solvent-induced hearing loss using diverse approaches are warranted in Asia region. Keywords: hearing loss, organic solvent, pure tone audiometry, chemical-induced hearing loss eISSN: 2398-4287© 2021. The Authors. Published for AMER ABRA cE-Bs by e-International Publishing House, Ltd., UK. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians/Africans/Arabians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia. DOI:

Mortality estimation due to work-related illness has reached up to 2.4 million each year. The current coverage of occupational health services (OHS) in Malaysia is still low. Occupational health doctors (OHDs) are one of the essential personnel to ensure proper execution of OHS. This study was conducted to explore the experiences and views of OHDs on the challenges in implementing OHS in Malaysia. Four focus group discussions were conducted with OHDs (N = 23) from four different states in Malaysia in 2016. Another five OHDs participated in in-depth interviews to implement the identified codes or themes. The discussions were recorded and transcribed verbatim. NVivo version 11.0 was used to facilitate data analysis. The data were analysed following the thematic analysis guidelines. Three themes were identified from the discussions: difficulties in diagnosing occupational diseases and poisoning; poor practices, attitudes, and commitment by both workers and employers; and non-compliance with laws and regulations related to the industries. The common challenges discussed by the participants were the lack of knowledge and skills among OHDs, and the shortage of standard procedures, leading to difficulties to screen occupational diseases. The poor cooperation and behaviour from the industries also hindered OHDs when performing their services. This study suggests better training and provision of standard tools or guideline to assist OHDs in making occupational disease diagnoses, increasing OHS awareness among the industries, and enacting OHS as part of the laws and regulations with adequate enforcement.

Background: Palm oil mill workers in Malaysia are exposed to hazardous levels of noise in the workplace, and thus are at risk of developing noise-induced hearing loss (NIHL). In 2019, Malaysia introduced a new noise regulation, which reduced the level of permissible noise exposure. Objectives: This study aims to determine the prevalence of NIHL among palm oil mill workers based on screening data and assess the effects of different noise exposure levels on NIHL. Methods: A cross-sectional study was conducted by analyzing data from noise risk assessment reports of selected mills and screening audiometric data from workers. NIHL was defined as bilateral high-frequency hearing loss. Results: The overall NIHL prevalence was 50.8%. Noise exposure level and age were significant predictors of NIHL among the workers. The risk of developing NIHL was high even for workers who were not categorized in the high-risk group. Conclusions: In view of the findings, a precautionary approach is needed when evaluating the risk of NIHL in the study population. Vulnerable groups of workers must be protected from occupational noise hazards through the implementation of effective hearing conservation programs in the workplace.

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The objectives of occupational health services (OHS) are to create a healthy and safe working environment, prevent work-related diseases, optimise employees’ functional capacity and promote health. According to the literature, global accessibility to OHS has not shown much improvement and even worsened in certain countries. The main challenges come from the small and medium enterprises (SMEs). To respond to these global challenges, the basic occupational health services (BOHS) guideline was published under the purview of the World Health Organization and the International Labour Organization. The guideline describes BOHS as part of the infrastructure called the occupational safety and health system, an essential element that ensures the high service coverage and sustainability of the programme. The BOHS guideline was introduced in Malaysia by the Department of Occupational Safety and Health with a focus on SMEs, but its accessibility is low. A gap analysis was conducted between the current BOHS in Malaysia and the published international guideline. The important challenges identified that contributes to the low BOHS accessibility in Malaysia is the weakness in the BOHS infrastructure and OHS system provision. The proposed BOHS infrastructure model is meant to increase accessibility and to provide fair and equitable health services for Malaysians.