The Investigation of the Lactic Acid Change among employee of national electrical Power Plan Russeng Syamsiar S1, Saleh Lalu Muhammad1, Virani Devintha1, Latief Ade Wira Listrianti2, Mallongi Anwar3 1Occupational Health and Safety Department, Hasanuddin University 2Nutrition Department, Hasanuddin University 3Environmental Health Department Faculty of Public Health, Hasanuddin University Online published on 7 February, 2018. Abstract Background and objectives Work fatigue is a state of decrease capacity and reduced efficiency for work due to several individual factors as well as working environment factors. Factors related to work fatigue among PT PLN (Persero) employee in South, Southeast and West Sulawesi are determined Methods and design Employees (n=65) were selected using purposive sampling. Age, work posture, lightning, work climate and lactic acid were assessed as work fatigue indicators. The data were analyzed by Chi Square for bivariate analysis and path analysis for multivariate analysis. Results 71, 4% employees were aged ≥35 years old, 73.3% had a high risk due to poor work posture. Age significantly influence lactic acid before and after work, with t-value respectively 2.310 and 2.252. Age also significantly influence lightning, but only after work with t-value of 2.404 (t statistic >1.96) Conclusion Significant influence between age and lactic acid before and after work and between lightning and lactic acid after work was found by path analysis. It is recommended to apply work shifts for employees over 35 years old and to have a person in charge of controlling lightning at the work environment. Top Keywords Work fatigue, lactic acid, lightning, age, work climate. Top |