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Mediating Effect of Cognitive Function on the Relationship Between Geriatric Oral Health and Quality of Life Among Korean Seniors
Eun Jee Chang, Hyun-Jae Woo, Kyu-Hyoung Jeong
J Prev Med Public Health. 2022;55(1):106-113.   Published online January 12, 2022
DOI: https://doi.org/10.3961/jpmph.21.536
  • 2,994 View
  • 147 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
Previous studies have found that the oral health of seniors can affect their physical nutrition and quality of life (QoL). Additionally, poor oral health can lead to the development of dementia, which is associated with decreased cognitive function. This study aimed to examine the impact of geriatric oral health (GOH) on the QoL of Korean seniors and the mediating effects of cognitive function.
Methods
We used data from the seventh Korean Longitudinal Study of Aging conducted in 2018. In total, 4049 seniors were included in our study. We analyzed the impact of GOH on QoL according to 5 mediating domains of cognitive function and control variables. To examine each path of mediating effects, bootstrapping with 5000 iterations was performed with 95% confidence intervals.
Results
Our findings revealed that good GOH had a positive effect on the QoL of seniors. Also, better GOH corresponded to a higher degree of cognitive function within all 5 domains: orientation, memory registration, attention/calculation, memory recall, and language and visuospatial ability. In addition, 3 domains of the 5 domains (attention/calculation, memory recall, and language and visuospatial ability) had significant mediating effects on the relationship between GOH and QoL.
Conclusions
This study suggests that adequate management of GOH is crucial for promoting a better QoL and a high degree of cognitive function among seniors. To prevent cognitive impairment, such as dementia, future studies should take a more targeted approach by examining data according to each cognitive domain and various socio-demographic factors.
Summary
Korean summary
본 연구는 2018년도 7차 한국고령화연구패널조사(KLoSA) 자료를 이용하여 65세 이상 노인4,049명을 대상으로 노인 구강건강 수준(GOHAI, Geriatric Oral Health Assessment Index)이 삶의 질에 미치는 영향을 확인하였다. 또한 K-MMSE(Korean Mini-Mental State Examination) 점수를 매개변수로 활용하여 인지기능을 시간 및 장소 지남력, 기억등록, 주의집중 및 계산력, 기억회상, 언어 및 시공간 구성력의 5가지 하위영역의 다중매개효과를 분석하였다. 그 결과, 노인의 구강건강은 삶의 질과 인지기능의 모든 하위영역에 영향을 미치는 것으로 나타났으며, 특히 인지기능 하위영역 중 주의집중 및 계산력, 기억회상, 언어 및 시공간 구성력이 구강건강과 삶의 질의 관계에서 유의한 매개효과를 보였다. 향후 노인의 삶의 질을 악화하는 주요 질환인 치주질환 및 구강건조증 등을 예방할 수 있도록 국가 차원의 구강보건사업을 확대하고, 인지기능 하위영역별 저하 양상에 따라 세분화된 약물적/비약물적 중재를 시행해야 한다.

Citations

Citations to this article as recorded by  
  • Association of Denture Use and Chewing Ability with Cognitive Function Analysed Using Panel Data from Korea Longitudinal Study of Aging (2006–2018)
    Nu-Ri Jun, Jae-Hyun Kim, Jong-Hwa Jang
    Healthcare.2023; 11(18): 2505.     CrossRef
Socioeconomic Inequalities in the Oral Health of People Aged 15-40 Years in Kurdistan, Iran in 2015: A Cross-sectional Study
Ghobad Moradi, Ardavan Moinafshar, Hemen Adabi, Mona Sharafi, Farideh Mostafavi, Amjad Mohamadi Bolbanabad
J Prev Med Public Health. 2017;50(5):303-310.   Published online July 25, 2017
DOI: https://doi.org/10.3961/jpmph.17.035
  • 6,488 View
  • 188 Download
  • 16 Crossref
AbstractAbstract PDF
Objectives
The aim of this study was to evaluate socioeconomic inequalities in the prevalence of dental caries among an urban population. Methods: This study was conducted among 2000 people 15-40 years of age living in Kurdistan, Iran in 2015. Using a questionnaire, data were collected by 4 trained dental students. The dependent variable was the decayed, missing, and filled teeth (DMF) index. Using principal component analysis, the socioeconomic status (SES) of families was determined based on their household assets. Inequality was measured using the concentration index; in addition, the Oaxaca analytical method was used to determine the contribution of various determinants to the observed inequality. Results: The concentration index for poor scores on the DMF index was -0.32 (95% confidence interval [CI], -0.40 to -0.36); thus, poor DMF indices had a greater concentration in groups with a low SES (p<0.001). Decomposition analysis showed that the mean prevalence of a poor DMF index was 43.7% (95% CI, 40.4 to 46.9%) in the least privileged group and 14.4% (95% CI, 9.5 to 9.2%) in the most privileged group. It was found that 85.8% of the gap observed between these groups was due to differences in sex, parents’ education, and the district of residence. A poor DMF index was less prevalent among people with higher SES than among those with lower SES (odds ratio, 0.31; 95% CI, 0.19 to 0.52). Conclusions: An alarming degree of SES inequality in oral health status was found in the studied community. Hence, it is suggested that inequalities in oral health status be reduced via adopting appropriate policies such as the delivery of oral health services to poorer groups and covering such services in insurance programs.
Summary

Citations

Citations to this article as recorded by  
  • The prevalence of seat belt use among drivers and passengers: a systematic review and meta-analysis
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    Journal of the Egyptian Public Health Association.2023;[Epub]     CrossRef
  • Utilization of dental care among adult populations: a scoping review of applied models
    Ashkan Negintaji Zardak, Mostafa Amini-Rarani, Ibrahim Abdollahpour, Faezeh Eslamipour, Bahareh Tahani
    BMC Oral Health.2023;[Epub]     CrossRef
  • AİLENİN EKONOMİK DURUMUNUN ÇOCUKLARIN DİŞ VE AĞIZ SAĞLIĞI ÜZERİNE ETKİSİNİN İNCELENMESİ
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    Ghobad Moradi, Elham Goodarzi, Ardeshir Khosravi, Farideh Mostafavi, Yousef Veisani
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    Moslem Soofi, Behzad Karami-Matin, Ali Kazemi-Karyani, Shahin Soltani, Hosein Ameri, Mehdi Moradi-Nazar, Farid Najafi
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    Heliyon.2021; 7(3): e06485.     CrossRef
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    Elahe Najafi, Mostafa Amini-Rarani, Maryam Moeeni
    BMC Oral Health.2021;[Epub]     CrossRef
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    Satar Rezaei, Halasa-Rappel Yara A.
    Clinical, Cosmetic and Investigational Dentistry.2020; Volume 12: 319.     CrossRef
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    Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy.2020; Volume 13: 2865.     CrossRef
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JPMPH : Journal of Preventive Medicine and Public Health