Effect of COVID-19 response work experience on turnover intention among employees of dedicated COVID-19 hospitals in Seoul.

BACKGROUND: According to previous studies, stress and job burnout among medical personnel increased during the COVID-19 pandemic. This study analyzed the effect of the experience of COVID-19 response work on the intention of municipal hospital staffs to leave their workplaces during the pandemic. METHODS: The 3556 employees who had worked for more than 1 year at one of the eight Seoul Municipal Hospitals that either provided inpatient treatment for quarantined COVID-19 patients or operated as screening clinics were taken as the study population. In total, 1227 employees completed a web or mobile survey between October 21 and November 18, 2020. A chi-squared test was performed to confirm the difference in the distribution of turnover intention depending on whether the employees performed COVID-19 response tasks. Multiple logistic regression analyses were performed to determine the factors that affected the intention to leave. RESULTS: Of the 1227 respondents, 761 (62.0%) were frontline workers who were the first line of response to COVID-19. Experience with COVID-19 response tasks (OR = 1.59, p = 0.003) was significantly associated with the intention to leave. Additionally, the probability of turnover intention was significantly higher among workers aged 20-29 years (OR = 2.11, p = 0.038) and 40-49 years (OR = 1.57, p = 0.048), unmarried individuals (OR = 1.66, p = 0.005), doctors (OR = 2.41, p = 0.010), nurses (OR = 1.59, p = 0.036), and technical staff members (OR = 2.22, p = 0.009). High turnover intention was found among those who experienced high levels of burnout (OR = 2.03, p < 0.001) and those working in non-directly managed municipal hospitals (OR = 1.87, p = 0.018). CONCLUSION: Employees directly involved in COVID-19 response work displayed higher turnover intention. Various personal, job, and organizational factors significantly influenced employees' intentions to leave their positions in dedicated COVID-19 hospitals. These findings suggest the necessity of introducing management programs to aid workers who have experienced sudden changes in their duties and loss of autonomy while performing COVID-19 response tasks.

Association between smokeless tobacco use and cigarette smoking amount by age.

BACKGROUND: The use of smokeless tobacco has increased worldwide among young people. This study aimed to investigate the association between smokeless tobacco use and cigarette smoking amount in adult smoker groups stratified by age. METHOD: 2013-2015 National Health Interview Survey was used. A total of 19,635 subjects were included in our analysis. Propensity score matching was used to adjust for selection and any other bias. Generalized estimating equation was used to analyze the association between smokeless tobacco use and cigarette smoking amount by age. RESULTS: All 580 smokeless tobacco users were matched to 2,900 non-smokeless tobacco users. Among those who were aged under 30, smokeless tobacco use was positively associated with the number of cigarettes used per day. Smokeless tobacco users who were aged under 30 and tried quitting smoking used more cigarettes than those who did non-smokeless tobacco users. CONCLUSIONS: The present study revealed that among those who were aged under 30, smokeless tobacco use was positively associated with the number of cigarettes used per day. This study could contribute to understand the behaviors and tendencies of smoking in young adulthood and to establish effective smoking cessation methods for their age.

Financial burden of catastrophic health expenditure on households with chronic diseases: financial ratio analysis.

BACKGROUND: The financial status of households is vulnerable to chronic diseases which entail high medical expenses and income loss. Financial strain can be assessed by four indicators: a household surplus indicator, the liquid asset/debt ratio, a solvency indicator, and a liquidity indicator. We investigated the association between catastrophic health expenditure (CHE) and financial ratio indicators in households with chronic diseases in South Korea. METHODS: This study applied thresholds to the financial ratios to determine the financial strain. We conducted multiple logistic regression analyses to determine whether CHE is associated with financial strain. Furthermore, we analyzed the relationship between CHE and basic financial indicators, absolute finance size, using multiple linear regression. RESULTS: When CHE occurred, all financial ratio indicators deteriorated. However, this was not due to decreases in the absolute size of wealth and income, but rather the relative balance between finances. In particular, the loss of liquid assets was a major factor in the deterioration. In addition, all types of labor-related income deteriorated; only private transfer income increased. CONCLUSIONS: This study revealed that CHE in households with chronic diseases negatively impacts household finances. It was found that financial coping strategies are only resource consuming.

How public and private health insurance coverage mitigates catastrophic health expenditures in Republic of Korea.

BACKGROUND: The private health insurance (PHI) market in Republic of Korea has instituted indemnity insurance plans that provide partial reimbursements for some medical services or costs that are not covered by the National Health Insurance (NHI). To date, no study has estimated the extent to which PHI coverage lowers the economic burden of households' access to health care. The current study aims to evaluate the design of Korea's PHI system in terms of coverage using a catastrophic health expenditure (CHE) indicator and compare it with NHI. METHODS: This study determined the difference between the number of households that were subscribed to PHI and those that received reimbursements from PHI. Additionally, it compared the effects of reduced CHE by NHI benefits with PHI reimbursements. Furthermore, it compared PHI reimbursements based on income class. Finally, it analyzed the contribution of NHI and PHI to CHE reduction through a two-part model with hierarchical regression. RESULTS: The results indicated that of the 5644 households examined, 3769 subscribed to PHI, but only 246 households received reimbursements. Notably, NHI reduced CHE incidence by 15.17%, whereas PHI only reduced CHE by 1.22%. The NHI scheme indicated reduced inequality as it provided more benefits to the low-income class for their used medical services, whereas PHI paid more reimbursements to the high-income class. Accordingly, NHI coverage has protected households from CHE and improved equality to some extent; however, PHI coverage has had a relatively low effect on relieving CHE and has increased inequality. CONCLUSIONS: The indemnity health insurance plans of PHI companies in Korea only cover partial medical costs or services, and so, most patients do not receive reimbursements. Thus, Korea's PHI system needs to improve to provide benefits to patients more generously and alleviate their financial burden.

Sociodemographic factors that affect the real treatment rate among patients diagnosed with benign prostatic hyperplasia.

BACKGROUND: Real treatment rate among patients diagnosed with benign prostatic hyperplasia (BPH/LUTS) and also its association with sociodemographic factor (SDF) have not been extensively investigated. METHODS: Data were obtained from the 2006, 2008, 2010, 2012, 2014, and 2016 waves of the Korean Longitudinal Study of Aging (KLoSA). Among 10,254 individuals at the first baseline survey in 2006, a total of 4383 participants were ultimately included for final analysis. For statistical analysis, chi-square tests and generalized estimating equation regression models were conducted. RESULTS: The prevalence rate of BPH/LUTS was 6.1% (266/4383) and real treatment rate was 58.3 percent (155/266). After adjusting for all confounders, odds ratio (OR) for the treatment of prostate disease in patients ages 55-64 and 65 years or more was 1.884 times higher (95% CI 1.096-3.237; p = .022) and 2.989 times higher (95% CI 1.755-5.091; p < .0001) than patients ages under 55, respectively. The OR for treatment of prostate disease in those residing in urban areas was 0.756 times lower (95% CI 0.573-0.998; p = .048) than those residing in metropolitan areas. The OR for treatment of prostate disease in those with bad self-rated health was 1.886 times higher (95% CI 1.461-2.436; p < .0001), compared to those with good self-rated health. CONCLUSION: The real treatment rate among patients diagnosed with BPH/LUTS was 58.3%, a larger treatment rate than earlier reports. However, there are still a large proportion of patients who do not seek treatment; and age, residential area, and self-rated health were all found to be associated with real treatment rate.

Impacts of Smoking Ban Policies on Restaurants in Seoul, South Korea: Analysis of Objective Sales Information.

BACKGROUND: From July 2013 to January 2015, the smoking ban instituted in restaurants in South Korea gradually expanded to cover all restaurants and bars, moving by size of restaurant (≤99 m2, 100-149 m2, ≥150 m2). This study measured the impacts of the smoking ban for restaurants. METHODS: This study examined credit, check, or debit card sales data for every September and October from 2012 to 2015 in 711 census tracts in Seoul, South Korea. We accounted for total restaurant sales in each census tract. Our model controlled for the sales amounts for each census tract, type of restaurant, monthly business survey index, number of restaurants, daily average temperature, daily precipitation, and day of the week, and a dummy for census tract. RESULTS: These were some positive associations with increase in total sales. However, the significance of the coefficients was not consistent over this period. Overall, our results showed no significant negative effects of smoking ban policy on restaurants. CONCLUSIONS: Smoking ban policies produced benefits in terms of health outcomes, without causing significant negative impacts on sales. IMPLICATIONS: Although the owners of restaurants anticipated negative impacts on sales from smoking ban policies, the results of this study suggest that restaurants experienced no negative economic impacts on sales from policies with health benefits, which suggest that it would be reasonable to promote and keep on the smoking ban. Also, it is important to apply smoking ban policy to all targets without exclusion.

Relationship between body image and weight status in east Asian countries: comparison between South Korea and Taiwan.

BACKGROUND: There are many studies examining the relationship between body image and weight status that compare Western and Asian countries. One limitation of these past studies was assuming that all Asian countries are a homogeneous group. To fill the gap in the literature, this study examined the relationship between body image and weight status between participants from two Asian countries. METHODS: This study utilized data from the 2010 module of the East Asian Social Survey from South Korea (n = 1576) and Taiwan (n = 2199), which contained questions related to body image. Body image was originally measured using a five-point Likert-type question, which was collapsed into three categories for the analysis. Weight status was derived from body mass index scores, which were calculated using self-reported weight and height. A set of multinomial logistic regression analyses were used to investigate the relationship between body image and weight status, stratified by country. RESULTS: A significant relationship between body image and weight status after controlling for relevant covariates was reaffirmed in this study in the South Korean and Taiwanese. Results indicated that the relationship between body image and weight status of the Taiwanese sample was similar to the relationship in the South Korean sample. However, the results from a further analysis showed that the strength of the relationship across the two Asian countries appeared to be different. CONCLUSIONS: The weight over-perception was more evident in South Korea than in Taiwan. Females were more vulnerable to societal pressures for thinness and the misperception of the ideal body than males. Interventions to improve distorted body image perception were needed in both countries.

Relationship of health, sociodemographic, and economic factors and life satisfaction in young-old and old-old elderly: a cross-sectional analysis of data from the Korean Longitudinal Study of Aging.

[Purpose] The purpose of the present study was to investigate the relationship of health, sociodemographic, and economic factors and life satisfaction in young-old and old-old elderly groups. [Subjects and Methods] In the 2012 data from the Korean Longitudinal Study of Ageing, 4,134 of the final survey subjects aged 65 or older were analyzed. Multivaribale linear regression was performed to examine the degrees of explanatory power as factors (health, sociodemographic, and economic) in young-old (65 to 79 years) and old-old (80 years or older). [Results] Common variables that affected life satisfaction in both young-old and old-old subjects were health-related factors (depression, moderate to severe cognition, activities of daily living score), sociodemographic factors (level of education, familial communication, social activities), and economic factors (household assets, type of medical insurance). In the old-old group, age was an important associated factor. Mild cognitive impairment did not significantly affect life satisfaction in the old-old group, and only low-intensity social activities had an influence in the old-old group. [Conclusion] Difference in life satisfaction between the young-old and old-old elderly could be explained by gaps in the acceptance of the aging in health. Therefore, a personalized health consultation by life cycle could minimize these differences.

Body mass index and depressive symptoms in middle aged and older adults.

BACKGROUND: The relationship between weight problems and depression has been the focus of many studies; however, results from these studies vary. The purpose of this study is to describe the association between depression and BMI using data from a national sample of middle aged and older Koreans and to examine whether gender moderates the relationship between depression and weight. METHODS: We used data from the Korean Longitudinal Study of Aging (KLoSA). Of the 7,920 respondents that participated in KLoSA in 2010, 7,672 adults aged between 50 and 102 years were included in the final analysis. The relationship between depression and obesity status was examined in both the full sample and in sub-samples stratified by gender. The observed U-shaped association between obesity status and CES-D score was tested by regressing CES-D score on linear and quadratic terms of BMI scores. RESULTS: The distribution of CES-D scores by respondents' obesity status (i.e., underweight, normal weight, overweight, obese and severely obese) showed a U-shaped association. Specifically, the highest CES-D scores were found in underweight individuals; this was followed by the severely obese and obese groups in the full sample and in gender-specific subsamples. The lowest CES-D scores were found in the overweight group when considering the entire population and males alone and in the normal weight group for females. This U-shaped association between CES-D and obesity status was confirmed by a model in which CES-D scores were regressed on BMI scores and other covariates. CONCLUSIONS: This study found a U-shaped association between BMI and levels of depressive symptoms among adults in Korea overall and also within each gender. Specifically, the highest level of depressive symptoms was found among the underweight, followed by the severely obese and then the obese. Slightly different patterns between male and female adults were found regarding the weight status associated with the fewest depressive symptoms.

A Real-Time Computer Simulation Program for Reducing Outpatients Phlebotomy Wait Time.

BACKGROUND: Our goal was to enhance the productivity of phlebotomists and reduce outpatient wait times. Here, we aimed to develop a computer simulation program in which resources would be shifted from the laboratory to assist with phlebotomy. We evaluated the efficacy of computer simulation approaches for phlebotomy wait time and provide phlebotomy help time. METHODS: We evaluated the performance of the following three approaches: no helping system (NHS), the conventional assistance system (CAS), and the computer simulated helping system (CSHS). The CSHS predicted the phlebotomy waiting times based on computer simulation approaches, decided the assist times, and sounded an alarm. RESULTS: The wait time for the NHS was significantly longer than that of the CAS and the CSHS (P < 0.05). We divided the wait time into the three parts: <5 min, 5-10 min, and >10 min. Significant differences between the three systems were detected (P < 0.05). The phlebotomy computer simulation system significantly decreased the help time of the phlebotomists (CAS was 93.3 ± 19.7 min vs. CSHS was 79.5 ± 17.7 min, P = 0.03). CONCLUSION: We designed a computer-based predicted alarm system. This system could effectively decrease help time for phlebotomists and outpatients phlebotomy wait times.

Factors associated with the frequency of physician visits among North Korean defectors residing in South Korea: a cross-sectional study.

BACKGROUND: Since the mid-1990s, a growing number of North Korean defectors have been arriving in South Korea, many of whom have various somatic and mental disorders. The health status of defectors is an important predictor of their successful resettlement. Therefore, this study examined the frequency of physician visits among North Korean defectors residing in South Korea, as well as the factors associated with this frequency. METHODS: The data used in this study were collected through survey questionnaires and interviews conducted from April 6 to May 20, 2009, and involving 500 North Korean defectors who entered South Korea in 2007. This study used three domains of independent variables: 'health-related factors,' 'special characteristics of North Korean defectors,' and 'demographic and socio-economic factors'. Nested multivariable linear regression analysis was conducted in order to determine the factors related to the frequency of physician visits between January 1 and December 31, 2008. RESULTS: The average number of physician visits made by the participants during 2008 was 15.3; 14.5% of participants did not have physician visits. The number of physician visits was largely associated with health-related variables including disability, chronic disease and self-rated health status. The frequency of physician visits was higher among those with a disability, chronic disease, lower self-rated health score, a greater number of traumatic experiences during their escape, lower annual family income, and among females. CONCLUSIONS: This study confirmed that the number of defectors' physician visits was related with objective and subjective health status, traumatic experiences during their migration, economic, and demographic variables. The results serve useful understanding of medical utilization characteristics among North Korean defectors in South Korea.

Muramyl dipeptide activates human beta defensin 2 and pro-inflammatory mediators through Toll-like receptors and NLRP3 inflammasomes in human dental pulp cells.

PURPOSE: The expression levels of intracellular pyrin domain-containing 3 (NLRP3) and microbial pattern-recognition receptors, such as nucleotide-binding oligomerization domain 2 (NOD2), have been reported in human dental pulp cells (HDPCs) and inflamed dental pulp tissue, but the role of NLRP3 and Toll-like receptors (TLRs) in the production of human beta defensin 2 (hBD2) and inflammatory cytokines against invading pathogens remains poorly defined. The aim of this study was to determine whether the NOD2 ligand muramyl dipeptide (MDP) upregulates hBD2 and inflammatory cytokines and whether this response is dependent on TLRs and NLRP inflammasomes in HDPCs. METHODOLOGY: The effects of MDP on the expression of hBD2, TLRs, inflammasomes, and pro-inflammatory mediators in HDPCs were examined using Western blotting and reverse transcription-polymerase chain reaction. Levels of pro-inflammatory cytokines, such as nitric oxide (NO) and prostaglandin E2 (PGE2), were determined by enzyme-linked immunosorbent assay. RESULTS: MDP upregulated hBD2, TLR2, and TLR4 mRNAs and protein levels in a dose- and time-dependent manner. TLR2 and TLR4 neutralizing blocking antibodies and NOD2- and hBD2-specific small interfering RNAs (siRNAs) attenuated the MDP-induced production of NO, PGE2, tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and IL-8 and upregulated inducible nitric oxide synthase (iNOS) and cyclooxygenase 2 (COX2) in HDPCs. Additionally, MDP activated inflammasome-related genes, such as NLRP3, caspase 1, apoptotic speck protein containing a caspase recruitment domain, and IL-1ß. Furthermore, silencing of the NLRP3 gene using a siRNA significantly decreased the MDP-induced expression of hBD2 and cytokines, such as iNOS-derived NO, COX2, PGE2, TNF-α, IL-6, and IL-8. CONCLUSION: These results suggest that NOD2 activates the TLR2, TLR4, and NLRP3 inflammasome-signaling pathways in HDPCs to induce the production of multiple inflammatory mediators and antimicrobial peptides, which in turn promote pulp immune defense against microbial challenge. CLINICAL RELEVANCE: The TLR and NLRP3 inflammasome pathways may represent an important modulatory mechanism of immune defense responses during the progression of pulpitis. Our results suggest that local inhibition of NLRP3 and TLRs may reduce the impact of cytokine-mediated host destructive processes in pulpitis.

Relationship between the intensity of physical activity and depressive symptoms among Korean adults: analysis of Korea Health Panel data.

[Purpose] The aim of this study was to examine the relationship between the intensity of physical activity and symptoms of depression. [Subjects and Methods] We analyzed the influence of different intensities of physical activity on depressive symptoms using the data of 12,350 adults over the age of 20 years who had completed the 2011 Korea Health Panel. After controlling for confounding variables, a multivariable logistic regression analysis was conducted to identify the association between the intensity of physical activity and depressive symptoms. [Results] The results showed that vigorous physical activity had a significant effect on depressive symptoms. The incidence of depressive symptoms was 1.487 (95% CI 1.137, 1.943) OR higher among people who did not participate in regular activity than it was among those who took part in regular intense physical activity. [Conclusion] It appears that physical activity affects depressive symptoms, a result which is in agreement with previous studies. However, we also showed a difference in influence according to activity intensity. Thus, the intensity of physical activity should be considered when developing physical activity programs for improving depressive symptoms.

Impact of parental socioeconomic status on childhood and adolescent overweight and underweight in Korea.

BACKGROUND: The prevalence of overweight and underweight is steadily increasing among children and adolescents. To explore the relationship between parental socioeconomic status and body mass index, we examined levels of overweight and underweight among representative samples of children and adolescents in South Korea. METHODS: We analyzed data from the 2009 Korean Survey on the Obesity of Youth and Children, conducted by the National Youth Policy Institute. The sample response rate for this survey was 93.9%. After excluding 745 subjects who had missing information on age, height, or weight, 9411 subjects were included. To measure parental socioeconomic status, 4 categories were assessed by using a structured questionnaire: subjective economic status, parental education level, parental occupational status, and family structure. We used the chi-squared test in univariable analysis and multinomial logistic regression in multivariable analysis. RESULTS: Multinomial logistic regression analysis identified sex, education level, parental interest in weight management, and parental body shapes as statistically significant characteristics affecting overweight in children, and sex, place of residence, parental interest in weight management, and paternal and maternal body shapes as statistically significant characteristics affecting underweight (P < 0.05). CONCLUSIONS: Underweight and overweight coexist among adolescent Korean males of low socioeconomic status, which indicates that these conditions can coexist in developed countries. Appropriate interventions to address both overweight and underweight in adolescents are required.

Influences of socioeconomic factors on childhood and adolescent overweight by gender in Korea: cross-sectional analysis of nationally representative sample.

BACKGROUND: Childhood and adolescent overweight is a recognized public health concern as the prevalence is already high and continues to increase. The purpose of this study was to examine the relationship between socioeconomic status (SES) and overweight status by gender among Korean children and adolescents. METHODS: The data used in this study were taken from the 2009 Korean Survey on the Obesity of Youth and Children. Underweight individuals (n=1,010) and children and adolescents whose age, height, or weight information was missing (n=591) were excluded from the data set, resulting in a total of 8,555 subjects who were included in this analysis. Subjective SES, parental education level, parental occupational status, and family structure were used to measure parental SES. Chi-squared tests were used for univariable analysis and multiple logistic regression analysis was conducted for multivariable analysis. RESULTS: After adjusting for subject's characteristics including gender, age, parental interest in weight management of children, parental body shape, economic status variables that significantly influenced childhood overweight were identified. Low economic status increased the probability of childhood overweight (odds ratio, 1.3; 95% confidence interval, 1.1-1.5). CONCLUSIONS: There is an inverse association between parental SES variables and the overweight status of children and adolescents. Additionally, parental body shape is an important factor that influences childhood and adolescent overweight.

Factors associated with self-rated health among North Korean defectors residing in South Korea.

BACKGROUND: The number of North Korean refugees entering South Korea has increased recently. The health status of refugees is a significant factor in determining their success in resettlement; therefore, this study examined both the self-rated health status of North Korean defectors who have settled in South Korea and the factors associated with their self-rated health status. METHODS: This study utilized data gained from face-to-face interviews with 500 North Korean defectors who arrived in South Korea in 2007. The interviews were structured and conducted by 'Yonsei University Research Team for North Korean defectors'. A stepwise multivariable linear regression was performed to determine the factors associated with their self-rated health status. RESULTS: North Korean defectors who were female, elderly, or had low annual household income, disability or chronic diseases reported lower health status. However, self-rated health status was higher among those who had settled in South Korea for 18 months or more, who were satisfied with government support or their current life, and who had experienced more traumatic events in North Korea. CONCLUSIONS: Government policies and refugee assistance programs should consider and reflect the factors relevant to the health status of North Korean defectors.

Impacts of Smoking Ban Policies on Billiard Hall Sales in South Korea Using Objective Sales Information of a Credit Card Company: Quasi-Experimental Study.

BACKGROUND: Smoking ban policies (SBPs) are potent health interventions and offer the potential to influence antismoking behavior. The Korean government completely prohibited smoking in indoor sports facilities, including billiard halls, since the government revised the National Health Promotion Act in December 2017. OBJECTIVE: This study aimed to examine the impact of the SBP on the economic outcomes of indoor sports facilities, particularly billiard halls. METHODS: This study used credit card sales data from the largest card company in South Korea. Data are from January 2017 to December 2018. Monthly sales data were examined across 23 administrative neighborhoods in Seoul, the capital city of South Korea. We conducted the interrupted time series model using the fixed effects model and the linear regression with panel-corrected standard errors (PCSE). RESULTS: The sales and transactions of billiard halls were not significantly changed after the introduction of the SBP in the full PCSE models. The R2 of the full PCSE model was 0.967 for sales and 0.981 for transactions. CONCLUSIONS: The introduction of the SBP did not result in substantial economic gains or losses in the sales of billiard halls. In addition to existing price-based policies, the enhanced SBP in public-use facilities, such as billiard halls, can have a positive synergistic effect on reducing smoking prevalence and preventing secondhand smoke. Health policy makers can actively expand the application of SBPs and make an effort to enhance social awareness regarding the necessity and benefits of public SBPs for both smokers and the owners of hospitality facilities.

Categorized hospital charges of acute ischemic stroke according to trial of org 10172 in acute stroke treatment classification.

BACKGROUND: Previous studies have shown that the cost of hospitalization due to stroke is significantly associated with the length of stay, stroke severity and other clinical characteristics, as well as various socio-demographic factors. However, these studies have been rather inconsistent with regard to the influence of stroke subtypes on costs. AIMS: This study was examined and compared hospital charges of in-patients with acute ischemic stroke according to the Trial of Org 10172 in Acute Stroke Treatment classification. MATERIALS AND METHODS: The costs of case of 749 patients with first ever ischemic stroke who were admitted to an academic medical center between January 2006 and December 2008 were analyzed. The hospital charges were compared among the stroke subtypes using Analysis of Variance. Multiple regression analyses were further performed to test the significance of the impact of the stroke subtype after controlling for other variables. RESULTS: The stroke subtype turned out to be a statistically significant factor influencing both the total charge and several categorized charges even after controlling for other contributing factors such as hospital length of stay and stroke severity. CONCLUSIONS: This study concludes that the stroke subtype should be included when considering in-patient medical expenses of acute ischemic stroke.

Association Between Changes in Oral Health-Related Quality of Life and Depressive Symptoms in the Korean Elderly Population.

Objectives: The aim of this study was to examine the association between changes in oral health related quality of life (OHRQoL) and depressive symptoms in the elderly South Koreans. Methods: We used the 2018 and 2020 Korean Longitudinal Study of Ageing data. Our study population was a total of 3,604 participants aged over 65 in 2018. The independent variable of interest was the changes in the Geriatric Oral Health Assessment Index as OHRQoL between 2018 and 2020. The dependent variable was depressive symptoms in 2020. Multivariable logistic regression analyzed the associations between changes in OHRQoL and depressive symptoms. Results: Participants with improvement in OHRQoL over 2-year period were likely to have fewer depressive symptoms in 2020. Especially, changes in the oral pain and discomfort dimension score was associated with depressive symptoms. A decline in oral physical function, such as difficulty in chewing and speaking, was also associated with depressive symptoms. Conclusion: Negative change in OHRQoL is a risk factor for depression in elderly. This results suggest the importance of maintaining good oral health in later life, as a protective factor against depression.