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The Relationship between the Symptom of the Gingiva and the Quality of Life for Transportation Business Workers
Int J Clin Prev Dent 2019;15(1):19-24
Published online March 30, 2019;
© 2019 International Journal of Clinical Preventive Dentistry.

Eun-Hee Kim

Department of Dental Hygiene, Kyungwoon University, Gumi, Korea
Received February 28, 2019; Revised March 14, 2019; Accepted March 17, 2019.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objective: Workers in transportation business have some professional characteristics such as long working hour, irregular eating. These characteristics have influence on the workers’ oral health. So, the purpose of the study is to examine self-gingival symptoms and quality of life. Also, how these symptoms have influence on quality of life is examined.
Methods: A total of 487 adult volunteers who working in transportation business in Daegu and Gumi city in Kyeongbuk province participated in a survey for 2 months from June to July 2017. Correlation analysis, t-test and ANOVA analysis a were performed using the PASW ver. 18.0 program.
Results: First, general characteristics include Sex, age, level of education, income, types of business, and working hours. Male participants were 441 and accounted for 90.6%. In age, 50s and 40s was 43.9% and 26.5%, respectively. In terms of level of education, 50.1% graduated from a high school and 39.8% graduated from a university. A total of 55.9% of the participants were on median income class, and 33.0% were on low income class. A total of 191 participants accounting for 39.2% were involved in a small size of passenger transportation, and 149 participants accounting for 30.6% were in a large size of the same industry. In working hours, 259 participants (53.2%) worked 9 to 12 hours and 173 participants (35.5%) worked 7 to 8 hours. Second, in self-gingival, over 60s was highest, and high school graduates were highest in level of education. In types of business, workers in a large size passenger transportation industry were highest. In contrast, workers involved in railroad industry had the lowest figure. Third, the result of how self-gingival has influence on quality of life was statistically meaningful in all factors except for psychological factor. That is, high incidence of self-gingival symptoms meant low quality of life.
Conclusion: Considering oral health development programs and plans can improve quality of life of workers in transportation industry, these measures should be made according to characteristics of workers in transportation field.
Keywords : transportation business workers, gingival symptom, quality of life
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March 2019, 15 (1)