Original Article Korean Journal of Preventive Medicine 1995;28(2): 433-449.
 A Study on the Relationship between Subjective symptoms and Psychological Symptoms on some VDT workers. Jeong Il Son, Soo Jin Lee, Jaecheol Song, Hung Bae Park ABSTRACT The study subjects in this study are 295 workers who work on one electronics industry, and they were composed of 93 VDT and 202 non-VDT workers. This study was carried out to obtain the prevalence of subjective symptoms and to compare psychological symptom scores from SCL-90-R between VDT and non-VDT work groups. And to verify the relationship between VDT work related symptoms and psychological symptoms, the author compared scL-90-R T scores between symptom complaining and non-complaining groups. The results are summarized as follows: 1. Throughout the prevalence study of VDT work related symptoms according to VDT work state, the author could select the final 10 symptoms by sex; 'eye fatigue', 'foggy vision', 'neck discomfort or pain'. 'shoulder discomfort and pain', 'light headedness', 'dizziness', 'aene, 'itching sensation on face', 'difficulty in concentration', 'memory disturbance' in males, and 'blurred vision, 'foggy vision', 'neck discomfort or pain', 'shoulder discomfort and pain, 'abdominal distention','indigestion', 'acne', 'pricking sensation on face', 'difficulty in concentration', 'memory disturbance in females. 2. Throughout comparison of psychological symptom scores from SCL-90-R between VDT and non-VDT workers' except interpersonal sensitivity in female, Mean T score were higher in VDT workers, but not significantly different between the two groups. These results indicate that the relation between VDT work status and psychological symptoms are not strongly correlated. 3. Because of the nonspecific characteristics of VDT work related symptoms, from the 40 subjective symptoms, the author selected the final 10 symptoms by sex, especially correlated to VDT, and divided the study subjects into symptom complaining and non-complaining groups. The mean SCL-90-R T score between the two groups were compared. Except for the opthalmologic symptoms in females, the scores were significantly different between the two groups in all symptoms. And this indicates that the VDT work related symptoms strongly correlated with the present individual psychological conditions. 4. Due to understand that which of the 9 psychological symptom dimensions are strongly correlated with the subjective symptoms, the author excuted multiple logistic regression analysis, and the result were as follows; 'depression' and 'somatization', in male, and 'obsessive-compulsive' and 'somatization' in female. Key words: electronics industry; VDT(visual Display Terminal); VDT work related symptoms; SCL-90-R; psychological symptoms
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