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JPMPH : Journal of Preventive Medicine and Public Health

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5 "subjective symptoms"
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Original Articles
Relationship of Level of Stress, Life Style, Subjective Symptoms and Clinical Diagnosis in Clients taken Multiphasic Screening Program.
Jun Han Park, Jin Ho Chun, Jang Mi Kang, Byung Chul Son, Dae Hwan Kim, Chang Hee Lee, Kui Won Jeong, Sang Hwa Urm
Korean J Prev Med. 1998;31(4):728-739.
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AbstractAbstract PDF
To improve wellness and quality of life by recognizing the health effects of stress, the author estimated the relationships between stress, subjective symptoms and clinical diagnosis through a questionnaire and a battery of specified laboratory tests - electrocardiography, blood pressure, cholesterol, aspartate aminotransferase(AST), alanine aminotransferase(ALT), gamma glutamyl transferase(gamma-GTP), fasting blood sugar, gastro-endoscopy or UGI, abdominal sonography, etc. The data was gathered from 337 clients who were undergoing multiphasic screening program at a University Hospital from January to March 1998. The mean age of subjects was 46.5+/-11.2 years and the mean of body mass index was 24.0+/-3.7kg/m2. The mean level of stress was 18.5+/-6.0 expressed as the score out of 40. By general characteristics and life style among male, mean level of stress was significantly higher in case of lower socioeconomic status, habitual drug use, longer daily working time(>10 hours), no regular exercise, drinkers, irregular meal, skipping breakfast(p<0.05). In case of female, that was significantly higher in case of lower education, lower socioeconomic status, longer daily working time(>10 hours), no regular exercise, drinkers, smokers, irregular meal, skipping breakfast(p<0.05). Significant correlations were observed between stress and subjective symptoms in all kinds of organ system(p<0.01). Correlation coefficients of stress among male were relatively high with neuro-psychiatric symptom(gamma=0.476) and cardio-vascular symptom(gamma=0.361) in order, and correlation coefficients of stress among female was highest with neuro-psychiatric symptom(gamma=0.371). The prevalence of the diagnosis through the battery of laboratory tests was high in upper gastrointestinal disorders and hypercholesterolemia in order in both sex group. Among male the mean score of stress was significantly high in ulcerative peptic disorder of upper gastrointestine and hepatopathy in order (p<0.05) . Among female that was significantly high in diabetes mellitus. In summary, it is likely that there are associations between stress, subjective symptoms and clinical diagnosis. To promote wellness and quality of life through, therefore, it would be of value that periodic stress evaluation program and stress management including appropriate control of smoking and drinking, regular exercise and meal.
Summary
Subjective Symptoms and Flicker Test Values in Relation to Chronic Low Dose Organic Solvent Exposure.
Myung Ho Son, Seok Joon Sohn, Jin Su Choi
Korean J Prev Med. 1994;27(3):557-568.
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AbstractAbstract PDF
This study was conducted to examine the effect of chronic low dose organic solvent exposures in the industries towards then neurobehavioral functions of workers subjective symptoms on neurobehavioral function as well as a visual reaction time test (Flicker test) were administered to 94 exposed and 162 unexposed workers in a oil refinery and some other auto-repair shops. The results obtained were as follows: 1. Symptom complaints were higher and Flicker test values were lower in exposed workers than in unexposed workers. 2. Flicker values were inversely correlated with urinary Hippuric acid concentration in exposed workers (r=-0.26, p<0.05). 3. Flicker values were inversely correlated with subjective symptom score (r=-0.15, p<0.05). Low Flicker value were also related with some subjective symptoms such as "Dimmed vision", "Nightmare", "weakness on extremity" in workers as a whole. While symptoms of "Dimmed vision", "Nightmare" only observed among exposed workers.
Summary
Health-Related Behaviors and Subjective Symptoms Associated with Smoking of Freshmen in a University.
Jong Park, Byong Woo Kim, Yang Ok Kim, Ki Soon Kim
Korean J Prev Med. 1992;25(3):223-237.
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AbstractAbstract PDF
This study was to examine the association of the health-related behaviors and subjective symptoms with smoking. Data were collected by questionnaire survey during regular health examination from Mar. 23 to Mar. 31, 1992 for 1,615 male freshmen of a university in Kwangju City. The results obtained were as follows; 1. Among the freshmen, 26.9% reported that they were smokers. 69.4% for smokers started smoking for the recent 4 years, and 63.4% for smokers smoked 10 cigarettes or more a day. 2. Meal regularity, meat eating, use of coffee or tea and alcohol drinking were positively associated with the status, the duration and the amount of smoking while the vegetable preference was negatively associated with the status and the duration of smoking. 3. There was no evidence of familial aggregation in smoking status except that of siblings. 4. Respiratory symptoms like cough or phlegm, dyspnea were positively associated with the status, the duration, and the amount of smoking. General symptoms like chest pain, fatigue, back pain, facial edema, and weight loss were positively associated with the duration and the amount of smoking. Other symptoms like headache, dizziness, and myalgia were not associated with smoking. 5. In multivariate' logistic regression analysis, cough or phlegm, dyspnea, chest pain, facial edema, and back pain were related to smoking status.
Summary
Industrial fatigue due to banking operations with VDT.
Jung Wan Koo, Seung Han Lee
Korean J Prev Med. 1991;24(3):305-313.
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AbstractAbstract PDF
In order to investigated industrial fatigue due to visual display terminal (VDT) work of banking operations, the questionnaires survey for subjective symptoms of fatigue was carried out on 470 bank clerks who had been engaged in VDT work for various length of work hours. The questionnaires comprised three groups of 10 items each, representing dullness and sleepiness (level of cerebral activation), difficulty in concentration (level of motivation) and bodily projection of fatigue. The results were as follows: 1. Of the 30 items of questionnaires, the highest percentage was accounted for by 'eye strain' (51.5%), followed by 'feel stiffness in the neck or the shoulders' (33.4%), 'feel a pain in the low back' (26.8%), 'whole body feels tired' (19.6%) and 'feel headache' (17.9%) in the order of sequence. 2. Ten average weighted score for the first group of questionnaire items (dullness and sleepiness) was the largest among three groups and was followed by the third group (bodily projection of fatigue) and the second item group (difficulty in concentration) in the order of sequence, suggesting the heavier mental stress of VDT work in banking operations rather than physical burden. 3. In terms of the age and sex of workers, work duration and VDT work percentage, the difference in average weighted score was noted only between sex, the score of female being larger than that of male. 4. The complaint rates of subjective symptoms showed close associations with the subjective optimums of room temperature, ventilation, illumination and noise level. 5. The significant correlation was showed between age, work duration and item of 'whole body feels tired', between VDT work percentage and items of 'eye strain' and 'feel stiffness in the neck or shoulders' and between all items of subjective symptoms.
Summary
English Abstract
Fatigue Subjective Symptoms and Risk Factors in Bank Workers with VDT.
Joo Ja Kim, Kyung Jae Lee
J Prev Med Public Health. 2005;38(1):45-52.
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AbstractAbstract PDF
OBJECTIVES
To investigate the fatigue subjective symptoms and VDT related risk factors in bank workers. METHODS: A total of 2178 workers (62.8% male, 37.2% female) were surveyed with a self-administered and structured questionnaire consisting of 30 fatigue symptoms and other VDT related factors regarding work characteristics, work postures, work environments, personal medical histories, etc. Fatigue subjective symptoms were divided into 3 groups of 10 questions each: a dull, drowsy and exhausted feeling (Group I), a mental decline of working motivation (Group II), or a feeling of incongruity in the body and dysfunction of autonomic nervous system (Group III). Each question was weighted as 0 for 'none', 1 for 'sometimes', and 2 for 'always'. RESULTS: Mean age was 35.8+/-7.2 years (38.9+/-6.0 in males, 30.6+/-5.8 in females), Mean work duration was 7.7+/-7.1 years (8.4+/-7.4 in males, 6.5+/-6.4 in females). Mean symptom score in males was 11.0+/-8.1 (4.9+/-3.1 in Group I, 3.0+/-3.1 in Group II, 3.1+/-2.8 in Group III) and in females was 17.5+/-9.5 (7.0+/-3.8 in Group I, 4.6+/-3.5 in Group II, 5.9+/-3.4 in Group III). Mean scores were higher in the order of Group I> III> II. Females had significantly higher scores than males in all three groups (p< 0.001). Most common symptoms complained of as 'always' or 'sometimes' were 'feel strained in the eyes' (85.4%) among Group I, 'find difficulty in thinking' (54.2%) among Group II, and 'feel stiff in the shoulders' (72.3%) among Group III. In multiple regression analysis, female, non-straight spine at workstation, more VDT work hours, history of physical therapy, glare of screen, overtime work, young age, and non-horizontal elbow position were significantly related with high score of symptoms. CONCLUSIONS: More supportive VDT work environment and education for correct work postures for VDT workers are recommended.
Summary

JPMPH : Journal of Preventive Medicine and Public Health