School loss days due to dental diseases among adolescents

Sang-Su Park; In-Ja Kim; Hyun-Jeong Ju; Sun-Ho Lee; Hyo-Won Oh; Heung-Soo Lee

doi:10.11149/jkaoh.2018.42.1.3

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Park, Kim, Ju, Lee, Oh, and Lee: School loss days due to dental diseases among adolescents

Original Article

J Korean Acad Oral Health 2018;42(1):3-8.

Published online: 15 March 2018

DOI: https://doi.org/10.11149/jkaoh.2018.42.1.3

School loss days due to dental diseases among adolescents

Sang-Su Park, In-Ja Kim, Hyun-Jeong Ju, Sun-Ho Lee, Hyo-Won Oh, Heung-Soo Lee

Department of Preventive and Public Health Dentistry, College of Dentistry, Wonkwang University, Iksan, Korea

Corresponding Author: Heung-Soo Lee Department of Preventive and Public Health Dentistry, College of Dentistry, Wonkwang University, 460 Iksan-daero, Iksan 54538, Korea Tel: +82-63-850-6851 Fax: +82-63-857-4837 E-mail: smagn@wonkwang.ac.kr

Received 8 January 2018 Revised 8 March 2018 Accepted 15 March 2018

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives

This study aimed to investigate the lost school days due to dental diseases among adolescents and to assess their oral health in relation to their socio-demographic characteristics.

Methods

A total of 881 adolescents (middle school: 453, high school: 428) were surveyed using a self-administered questionnaire. The questionnaire was composed of questions relating to the subject's socio-demographic characteristics and lost school days due to dental diseases. The lost school days due to dental diseases included absence and early leave. The differences in the lost school days by socio-demographic characteristics were analyzed by chi-square test and t-test.

Results

In the past year, 2% of adolescents were absent from school (approximately 2 days of absence), 7.6% left school early (about 3 days of early leave), and 8.3% were absent from school or left school early (about 4 days of absence and early leave) because of dental diseases. The most common reason for absence from school was dental caries (31.8%), followed by malocclusion (9.3%), periodontal disease (7%), and maxillofacial trauma (2.3%). Dental caries was the most common reason (18%) for early leave, followed by malocclusion (8.8%), maxillofacial trauma (2.6%), and periodontal disease (1.8%). Absence from school was higher when the educational background of the respondent's father was middle-school graduate or lower (5.6%: middle-school graduates or lower, 1.6%: high-school graduates, 1.8%: college graduates or higher). High school students with dental diseases (11.7%) were absent or went on early leave to a greater extent than middle school students (5.1%).

Conclusions

To reduce lost school days due to dental diseases among adolescents, different strategies are required including prevention and early treatment of dental caries and avoidance of maxillofacial trauma.

Keywords: Adolescents, Dental caries, Dental diseases, Oral health, School loss

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Table 1.

Demographic characteristics of subjects Unit : N (%)

Characteristics	Classification	N (%)
School region	City	310 (35.2)
	Rural area	571 (64.8)
	Total	881 (100.0)
School	Middle school	453 (51.4)
	High school	428 (48.6)
	Total	881 (100.0)
Sex	Male	427 (48.5)
	Female	454 (51.5)
	Total	881 (100.0)
Residence	Dong	428 (48.6)
	Eup/Myeon	453 (51.4)
	Total	881 (100.0)
Father’s level of education	≤Middle school	89 (10.4)
	High school	432 (50.3)
	≥College	338 (39.3)
	Total	859 (100.0)
Mother’s level of education	≤Middle school	79 (9.3)
	High school	471 (55.7)
	≥College	296 (35.0)
	Total	846 (100.0)
Monthly income (Unit : 10,000 won)	≤200	234 (28.9)
	200-299	193 (23.8)
	300-399	166 (20.5)
	≥400	217 (26.8)
	Total	810 (100.0)

Table 2.

School loss due to oral disease among adolescents

Classification	Total		Middle school student		High school student
Classification	Rate	Days (M±SD)	Rate	Days (M±SD)	Rate	Days (M±SD)
Annual absence from school due to oral disease	2.0%	1.83±1.26	1.5%	1.40±0.89	2.6%	2.14±1.46
Annual early leave from school due to oral disease	7.6%	2.96±4.58	4.4*%	3.35±6.99	11.0*%	2.78±3.00
Annual absence or early leave from school due to oral disease	8.3%	3.67±2.53	5.1%	2.80±1.78	11.7%	4.16±3.12

*P<0.05.

Table 3.

Reason of school loss due to oral disease among adolescents* Unit : %^†

Classification	Dental caries	Periodontal disease	Malocclusion	Maxillofacial trauma
Reason of absence from school due to oral disease	12.4%	1.0%	5.0%	1.0%
Reason of annual absence from school due to oral disease	31.8%	7.0%	9.3%	2.3%
Reason of annual early leave from school due to oral disease	18.0%	1.8%	8.8%	2.6%

*Plural response.

^† Percentage expressed experience of school loss due to oral disease.

Table 4.

School loss due to oral disease according to demographic characteristics of subjects among adolescents

Classification	Annual absence		Annual early leave		Annual absence or early leave
Classification	Rate	Days (M±SD)	Rate	Days (M±SD)	Rate	Days (M±SD)
Sex
Male	1.9%	1.00±0.00	6.8%	1.77±1.34	7.7%	2.00±0.00
Female	2.2%	2.25±1.38	8.4%	3.78±5.74	8.8%	4.50±2.77
School
Middle school	1.5%	1.40±0.89	4.4%*	3.35±6.99	5.1%*	2.80±1.78
High school	2.6%	2.14±1.46	11.0%	2.78±3.00	11.7%	4.16±3.12
Residence
Dong	1.9%	1.25±0.50	7.5%	2.52±3.13	8.2%	2.50±1.00
Eup/Myeon	2.2%	2.13±1.45	7.7%	3.41±5.70	8.4%	4.17±3.12
Father’s level of education
≤Middle school	5.6%*	1.50±1.00	10.1%	1.50±1.06	11.2%	3.00±1.73
High school	1.6%	1.75±0.95	8.1%	2.46±2.16	8.6%	2.67±1.15
≥College	1.8%	2.25±1.89	5.9%	4.62±7.76	6.9%	4.67±4.61
Mother’s level of education
≤Middle school	2.5%	1.00±0.00	6.3%	3.75±3.77	7.6%	2.00±0.00
High school	2.5%	2.25±1.38	9.1%	2.06±1.53	9.8%	4.50±2.77
≥College	1.4%	1.00±0.00	5.1%	5.31±8.56	5.7%	2.00±0.00
Monthly income
<200	3.0%	1.50±0.83	6.8%	2.08±2.25	7.7%	3.00±1.41
200-299	2.1%	2.33±2.30	9.3%	2.71±1.93	9.3%	4.67±4.61
300-399	0.0%	0±0.0	5.4%	5.71±10.73	5.4%	5.71±10.73
≥400	1.8%	1.00±0.00	7.4%	3.21±4.19	8.3%	4.21±4.20

*P<0.05.

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