Subjective Work Fatigue Due to Hot Work Climate (A Study on Indoor Production Workers of Ud King Rack Surabaya Indonesia)

One of physical factors contributing to the increasing number of work accidents and deaths is the hot working climate. One of the effects of hot working climate is work fatigue. The purpose of this study is to analyze the strength and direction of the relationship between the hot work climate and work fatigue in indoor production workers. This is an observational descriptive study using a cross sectional design. The sample was 33 workers. This study collected data of workers weight, workers height, pulse rate, Wet Bulb Globe Temperature, reaction timer and Subjective Self Rating Test. Data was analyzed using univariate and bivariate analysis. The result showed that only working area of Oven 1 and Oven 2 that have the hot work climate exceeding the threshold limit value. All of 6 workers in those areas reported to experience subjective work fatigue. This study found that hot work climate and work fatigue has fairly strong and unidimensional relationship.