Informal sector has been contributing to the national economy but occupational health and safety practices in the sector has not been satisfactory. One of the informal sector which are found in North Samarinda is informal welding workshop, with dominant hazards is exposure to ultraviolet rays that can cause photokeratoconjunctivitis. The Objective of this study was to investigate the symptoms of photokeratoconjunctivitis and related factors among informal welding operator in North Samarinda. A cross-sectional study was conducted on 40 respondents. Research was conducted in March until November 2016. Data collection using ultraviolet detector meter, clamps meter, and questionnaire. Data analysis using chi-square, Pearson’s correlation product moment and multiple linear regression. Fifty percents of respondents have photokeratoconjunctivitis symptoms. Personal protective equipment (PPE)(p= 0.004), UV exposure duration (0.056), knowledge of health and safety (p= 0.055) and number of working days (p= 0.001) were associated with photokeratoconjunctivitis symptoms. Work location (p= 0.244), level of education (p= 0.680), age (0.167), intensity of UV radiation (p= 0.206) and strength of welding current (p= 0.085) were not related to photokeratoconjunctivitis symptoms. In conclusions, photokeratoconjunctivitis symptoms is influenced by the use of PPE, UV exposure duration, knowledge of health and safety, and number of working days. The most influential factor to the appearance of photokeratoconjunctivitis (?= 0.32) is duration of UV exposure.
Link : Photokeratoconjunctivitis Symptoms among Informal Welding Operators in North Samarinda, Indonesia