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Factors associated with gingival bleeding by tooth brushing in college students

Cho, MyungSook 1

1대구보건대학교

Accredited

ABSTRACT

Objectives: The purpose of the study is to investigate the factors associated with gingival bleeding(GB) by tooth brushing in collegestudents. Methods: A self-reported questionnaire was filled out by 232 college students in Daegu Health College from March to June, 2014. Data were analyzed for frequency, chi square test, and logistic regression analysis using SPSS 12.0 program. The study was a crosssectional study. The questionnaire consisted of general characteristics of the subjects(gender, age, marital status, and smoking),frequency and duration of tooth brushing, scaling experience, and physical health status. Self-reporting hemorrhage was reported byyes or no. Frequency of tooth brushing was documented as the number of behavior. Above 4 times of tooth brushing was defined as4. Duration of tooth brushing was documented as minute. Above 4 minutes, it was recorded as 4. In physical health status, 1 is feelingweak and 4 is feeling very healthy. Cronbach alpha was 0.82 in the study. Results: There were significant relationships between gingival bleeding and age(p<0.05), subjective health(p<0.01), tooth brushingfrequency(p<0.05) and duration(p<0.05) by chi square test. Logistic regression analysis showed that the age(p<0.05), subjectivehealth(p<0.01), tooth brushing frequency(p<0.05) and duration(p<0.05) were associated with gingival bleeding. Prevalence ofgingival bleeding in 20 years was 0.62(odds ratio 1.85, 95% CI 1.00∼3.43) and it was higher than that in 10 years. Prevalence ofgingival bleeding in good health group was -1.38 and it was lower than that in poor health group. Conclusions: The factors associated with gingival bleeding were age, subjective health, and tooth brushing frequency and time.

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