A questionnaire survey was conducted on 572 taxi drivers in Taejeon City to investigate the prevalence rate which was derived from the subjective symptoms of respondents according to the working condition and daily life effected on health. The disease were classified the cardiovascular disease, gastrointestinal disease, neurotic disease and musculoskeletal disease according to the subjetive symptoms.
The results obtained were as follows：
1. Among the subjective symptoms, the complaint rate of fatigability, eye strain, loss of appetite, irritability, dizziness on standing, stiffness on shoulder, and low back pain became decreased in that order.
2. The prevalence rates of cardiopulmonary and gastrointestinal disease were low in the old aged group, and the prevalence rates of all disease was proportional to the frequencies of accident experience, but no evident trend in job conditions.
3. The groups having regular meal time and rest after meal showed low prevalence rate in all disease. The sleeping time and smoking habit were related to the neurotic and cardiopulmonary disease.
4. The group of usual drug intake occupied 68％ of all studied subjects, the age group of 40 or more and the group of having G-I disease showed high rats of usual drug intake.
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