RELATIONSHIP BETWEEN LEAD EXPOSURE AND INSOMNIA ON LEVY OFFICERS INDRALAYA OGAN ILIR TERMINAL 2014

Abstract

Background: One of the air pollutants is lead (Pb) that comes from motor vehicle emissions. Pb in the form of Tetra Ethyl Lead (TEL) and Tetra Methyl Lead (TML), is  added into gasoline to increase the octane value. The increased  traffic flow of motor vehicles also increases the  level of lead in the air and in the human body that is exposed to Pb constantly, so that it is needed to be monitored by ambient monitoring and personal monitoring. One of the risky jobs  to be exposed to Pb per day is a retribution officer in Indralaya Ogan Ilir public transport station. Indralaya station accommodates at least 2,300  public motor vehicles/day. One of the symptomps of lead toxicity effect is sleeping disorder called  insomnia. Based on preliminary survey results with 6 respondents from 40 retribution officers,it was  found that 66.7% of officers have  insomnia. Hence, it is necessary to analyze the  insidence of  insomnia.

Method: The design of this research was cross sectional. A sample of size of 38 respondents was selected purposively in East Post and West Post of Indralaya public transport station. Information were collected through interview, measurement, and laboratory analysis. The data were analyzed using univariat and bivariate methods. The results were presented in tables.

Result: The results showed that insomnia was related to lead concentration in the hair (p-value 0.01), coffee consumption (p-value 0.04) and energy drink consumption (p-value 0.04). Moreover, insomnia was not related to age (p-value 1.00), period of work (p-value 0.2), marital status (p-value 0.2), smoking (p-value 1.00) and drug consumption (p-value 0.3) with insomnia.

Conclusion: There was relationship between lead exposure and insomnia. It is suggested to improve work pattern and individual lifestyles in order to obtain  better  quality of  sleeping.

Keywords: Lead exposure, insomnia, Indralaya Ogan Ilir Terminal