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Volume 55(4); July 2022
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Special Article
The KoreaN Cohort Study for Outcomes in Patients With Chronic Kidney Disease (KNOW-CKD): A Korean Chronic Kidney Disease Cohort
Kook-Hwan Oh, Sue K. Park, Jayoun Kim, Curie Ahn
J Prev Med Public Health. 2022;55(4):313-320.   Published online July 1, 2022
DOI: https://doi.org/10.3961/jpmph.22.031
  • 4,389 View
  • 231 Download
  • 3 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
The KoreaN Cohort Study for Outcomes in Patients With Chronic Kidney Disease (KNOW-CKD) was launched in 2011 with the support of the Korea Disease Control and Prevention Agency. The study was designed with the aim of exploring the various clinical features and characteristics of chronic kidney disease (CKD) in Koreans, and elucidating the risk factors for CKD progression and adverse outcomes of CKD. For the cohort study, nephrologists at 9 tertiary university-affiliated hospitals participated in patient recruitment and follow-up. Biostatisticians and epidemiologists also participated in the basic design and structuring of the study. From 2011 until 2016, the KNOW-CKD Phase I recruited 2238 adult patients with CKD from stages G1 to G5, who were not receiving renal replacement therapy. The KNOW-CKD Phase II recruitment was started in 2019, with an enrollment target of 1500 subjects, focused on diabetic nephropathy and hypertensive kidney diseases in patients with reduced kidney function who are presumed to be at a higher risk of adverse outcomes. As of 2021, the KNOW-CKD investigators have published articles in the fields of socioeconomics, quality of life, nutrition, physical activity, renal progression, cardiovascular disease and outcomes, anemia, mineral bone disease, serum and urine biomarkers, and international and inter-ethnic comparisons. The KNOW-CKD researchers will elaborate a prediction model for various outcomes of CKD such as the development of end-stage kidney disease, major adverse cardiovascular events, and death.
Summary
Korean summary
KNOW-CKD 코호트 연구는 전국적 규모의 다기관 만성콩팥병 장기 추적 코호트 연구로서 2011년 질병관리청의 후원으로 시작된 연구이다. 이 연구는 우리나라 만성콩팥병의 임상적인 경과와 합병증, 신기능 악화 정도와 심혈관계 사건, 사망 등 주요 사건의 발생 위험 요인들을 규명하고자 기획되었다. 궁극적으로 KNOW-CKD 연구는 말기신부전으로의 진행과 사망, 심혈관계 주요 사건 등 만성콩팥병의 예후 예측 모델을 구축하는 것을 목표로 한다.

Citations

Citations to this article as recorded by  
  • Kidney Health Plan 2033 in Korea: bridging the gap between the present and the future
    Do Hyoung Kim, Young Youl Hyun, Jin Joo Cha, Sua Lee, Hyun Kyung Lee, Jong Wook Choi, Su-Hyun Kim, Sang Youb Han, Cheol Whee Park, Eun Young Lee, Dae Ryong Cha, Sung Gyun Kim, Chun Soo Lim, Sun-Hee Park
    Kidney Research and Clinical Practice.2024; 43(1): 8.     CrossRef
  • Associations between Chronic Kidney Disease and Migraine Incidence: Findings from a Korean Longitudinal Big Data Study
    Mi Jung Kwon, Jwa-Kyung Kim, Min-Jeong Kim, Dae Myoung Yoo, Na-Eun Lee, Kyeong Min Han, Nan Young Kim, Ho Suk Kang, Hyo Geun Choi, Eun Soo Kim
    Journal of Personalized Medicine.2024; 14(4): 356.     CrossRef
  • Characteristics of Patients with Heart Failure and Advanced Chronic Kidney Disease (Stages 4–5) Not Undergoing Renal Replacement Therapy (ERCA-IC Study)
    Sandra Valdivielso Moré, Miren Vicente Elcano, Anna García Alonso, Sergi Pascual Sanchez, Isabel Galceran Herrera, Francesc Barbosa Puig, Laia C. Belarte-Tornero, Sonia Ruiz-Bustillo, Ronald O. Morales Murillo, Clara Barrios, Joan Vime-Jubany, Nuria Farre
    Journal of Clinical Medicine.2023; 12(6): 2339.     CrossRef
Systematic Review
Vitamin D Deficiency and Comorbidities as Risk Factors of COVID-19 Infection: A Systematic Review and Meta-analysis
Pinki Mishra, Rizwana Parveen, Ram Bajpai, Nidhi Agarwal
J Prev Med Public Health. 2022;55(4):321-333.   Published online June 13, 2022
DOI: https://doi.org/10.3961/jpmph.21.640
  • 4,578 View
  • 188 Download
  • 9 Crossref
AbstractAbstract PDFSupplementary Material
Objectives
Extensive evidence links low vitamin D status and comorbidities with coronavirus disease 2019 (COVID-19) outcomes, but the results of published studies are contradictory. Therefore, we investigated the association of lower levels of vitamin D and comorbidities with the risk of COVID-19 infection.
Methods
We searched MEDLINE (via PubMed), Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov for articles published until August 20, 2021. Sixteen eligible studies were identified (386 631 patients, of whom 181 114 were male). We included observational cohort and case-control studies that evaluated serum levels of vitamin D in COVID-19-positive and COVID-19-negative patients. Mean differences (MDs) with 95% confidence intervals (CIs) were calculated.
Results
Significantly lower vitamin D levels were found in COVID-19-positive patients (MD, -1.70; 95% CI, -2.74 to -0.66; p=0.001), but with variation by study design (case-control: -4.04; 95% CI, -5.98 to -2.10; p<0.001; cohort: -0.39; 95% CI, -1.62 to 0.84; p=0.538). This relationship was more prominent in female patients (MD, -2.18; 95% CI, -4.08 to -0.28; p=0.024) than in male patients (MD, -1.74; 95% CI, -3.79 to 0.31; p=0.096). Male patients showed higher odds of having low vitamin D levels (odds ratio [OR], 2.09; 95% CI, 1.38 to 3.17; p<0.001) than female patients (OR, 1.17; 95% CI, 0.74 to 1.86; p=0.477). Comorbidities showed inconsistent, but generally non-significant, associations with COVID-19 infection.
Conclusions
Low serum vitamin-D levels were significantly associated with the risk of COVID-19 infection. This relationship was stronger in female than in male COVID-19 patients. Limited evidence was found for the relationships between comorbidities and COVID-19 infection, warranting large population-based studies to clarify these associations.
Summary

Citations

Citations to this article as recorded by  
  • Effects of vitamin D on the incidence and severity of COVID-19
    V. V. Krivosheev, L. Yu. Nikitina, I. V. Kozlovskiy, A. V. Fedorov
    Sanitarnyj vrač (Sanitary Doctor).2024; (1): 27.     CrossRef
  • Ukrainian Consensus on Diagnosis and Management of Vitamin D Deficiency in Adults
    Nataliia Grygorieva, Mykola Tronko, Volodymir Kovalenko, Serhiy Komisarenko, Tetiana Tatarchuk, Ninel Dedukh, Mykola Veliky, Serhiy Strafun, Yulia Komisarenko, Andrii Kalashnikov, Valeria Orlenko, Volodymyr Pankiv, Oleg Shvets, Inna Gogunska, Svitlana Reg
    Nutrients.2024; 16(2): 270.     CrossRef
  • Effect of Vitamin D3 Supplementation on Severe COVID-19: A Meta-Analysis of Randomized Clinical Trials
    Marharyta Sobczak, Rafał Pawliczak
    Nutrients.2024; 16(10): 1402.     CrossRef
  • Methodological issues in designing and reporting of systematic reviews in assessing association between vitamin D supplementation and COVID-19 severity
    R Bajpai
    QJM: An International Journal of Medicine.2023; 116(5): 406.     CrossRef
  • Mechanistic Insight into the role of Vitamin D and Zinc in Modulating Immunity Against COVID-19: A View from an Immunological Standpoint
    Nuzhat Ahsan, Mohammad Imran, Yousuf Mohammed, Fatme Al Anouti, Mohammad Idreesh Khan, Tanushree Banerjee, Mohd Adnan, Fauzia Ashfaq, Marek Kieliszek, Syed Amir Ashraf, Afrozul Haq
    Biological Trace Element Research.2023; 201(12): 5546.     CrossRef
  • The Role of Diet and Specific Nutrients during the COVID-19 Pandemic: What Have We Learned over the Last Three Years?
    Petra Rust, Cem Ekmekcioglu
    International Journal of Environmental Research and Public Health.2023; 20(7): 5400.     CrossRef
  • Self-Reported Pre-Pandemic Physical Activity and Likelihood of COVID-19 Infection: Data from the First Wave of the CoCo-Fakt Survey
    Nikola Schmidt, Andreas Gehlhar, Barbara Grüne, Annelene Kossow, Thomas Kraus, Johannes Nießen, Stefanie Wessely, Christine Joisten
    Sports Medicine - Open.2023;[Epub]     CrossRef
  • Diagnosis, prevention and treatment of vitamin D deficiency in adults: Ukrainian experts consensus statement
    N.V. Grygorieva, M.D. Tronko, V.M. Kovalenko, S.V. Komisarenko, T.F. Tatarchuk, N.V. Dedukh, M.M. Veliky, S.S. Strafun, Y.I. Komisarenko, A.V. Kalashnikov, V.L. Orlenko, V.I. Pankiv, O.V. Shvets, I.V. Gogunska, S.I. Regeda
    PAIN, JOINTS, SPINE.2023; 13(2): 60.     CrossRef
  • Vitamin D Deficiency and COVID-19: A Biological Database Study on Pathways and Gene-Disease Associations
    Ángela Alcalá-Santiago, Miguel Rodríguez-Barranco, Marta Rava, María Ángeles Jiménez-Sousa, Ángel Gil, María José Sánchez, Esther Molina-Montes
    International Journal of Molecular Sciences.2022; 23(22): 14256.     CrossRef
Original Articles
Construction of the Mobility to Participation Assessment Scale for Stroke (MPASS) and Testing Its Validity and Reliability in Persons With Stroke in Thailand
Jiraphat Nawarat, Kanda Chaipinyo
J Prev Med Public Health. 2022;55(4):334-341.   Published online June 13, 2022
DOI: https://doi.org/10.3961/jpmph.21.605
  • 2,850 View
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AbstractAbstract PDF
Objectives
This study was conducted to develop the Mobility to Participation Assessment Scale for Stroke (MPASS) and assess its content validity, internal consistency, inter-rater and intra-rater reliability, and convergent validity in people with stroke living in the community.
Methods
The MPASS was developed using published data on mobility-related activity and participation timing in elderly individuals, and then reviewed by community physical therapists. Content validity was established by reaching a consensus of experienced physical therapists in a focus group. The MPASS was scored for 32 participants with stroke (mean age 61.75±4.92 years) by 3 individual testers. Reliability was examined using the intraclass correlation coefficient (ICC), internal consistency using the Cronbach alpha coefficient (α), and convergent validity using the Pearson correlation coefficient (r) to compare the MPASS to the Modified Rivermead Mobility Index as a referent test of mobility.
Results
The MPASS consists of 8 items, and its scoring system provides information on the ability of people with stroke to reach a movement level enabling them to live in society, including interactions with other people and safe living in the community. The inter-rater and intra-rater reliability were excellent (ICC, 0.948; 95% confidence interval [CI], 0.893 to 0.982 and ICC, 0.967; 95% CI, 0.933 to 0.989, respectively). Internal consistency was good (α=0.877). The convergent validity was moderate (r=0.646; p<0.001).
Conclusions
The newly developed MPASS showed acceptable construct validity and high reliability. The MPASS is suitable for use in people with stroke, especially those who have been discharged and live in the community with the ability to initiate sitting.
Summary
Open Communication About Reproductive Health Is Associated With Comprehensive HIV Knowledge and a Non-stigmatising Attitude Among Indonesian Youth: A Cross-sectional Study
Gede Benny Setia Wirawan, Ni Luh Zallila Gustina, Pande Putu Januraga
J Prev Med Public Health. 2022;55(4):342-350.   Published online June 13, 2022
DOI: https://doi.org/10.3961/jpmph.21.581
  • 6,631 View
  • 144 Download
  • 1 Crossref
AbstractAbstract PDF
Objectives
Human immunodeficiency virus (HIV) prevention among youth seems under-prioritised compared to other key populations. HIV knowledge and stigma are important parts of HIV prevention. To inform HIV prevention among youths, this study quantitatively analysed the associations between open communication regarding sexuality and sexual health, comprehensive HIV knowledge, and non-stigmatising attitudes in Indonesia.
Methods
This study used data from the Indonesian Demographic and Health Survey (IDHS) 2017. The analysis included unmarried men and women aged 15-25 years old. Comprehensive HIV knowledge and a stigmatising attitude were defined according to the IDHS 2017. Open communication about sexuality and sexual health was defined as the number of people with whom participants could openly discuss these topics in their direct network of friends, family, and service providers, with a scale ranging from 0 to a maximum of 7. Primary analysis used binomial logistic regression with weighting adjustments.
Results
The final analysis included 22 864 respondents. Twenty-two percent of youth had no one in their direct network with whom to openly discuss sexual matters, only 14.1% had comprehensive HIV knowledge, and 85.9% showed stigmatising attitudes. Youth mostly discussed sex with their friends (55.2%), and were less likely to discuss it with family members, showing a predominant pattern of peer-to-peer communication. Multivariate analysis showed that having a larger network for communication about sexuality and sexual health was associated with more HIV knowledge and less stigmatising attitudes.
Conclusions
Having more opportunities for open sex communication in one’s direct social network is associated with more HIV knowledge and less stigmatising attitudes.
Summary

Citations

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  • A Scoping Review of Knowledge, Awareness, Perceptions, Attitudes, and Risky Behaviors of Sexually Transmitted Infections in Southeast Asia
    Vimala Balakrishnan, Kok Khuen Yong, Chiong Kian Tiong, Nicholas Jian Shen Ng, Zhao Ni
    Healthcare.2023; 11(8): 1093.     CrossRef
The Busan Regional CardioCerebroVascular Center Project’s Experience Over a Decade in the Treatment of ST-segment Elevation Myocardial Infarction
Kyunghee Lim, Hyeyeon Moon, Jong Sung Park, Young-Rak Cho, Kyungil Park, Tae-Ho Park, Moo-Hyun Kim, Young-Dae Kim
J Prev Med Public Health. 2022;55(4):351-359.   Published online June 24, 2022
DOI: https://doi.org/10.3961/jpmph.22.071
  • 2,588 View
  • 90 Download
  • 2 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
The Regional CardioCerebroVascular Center (RCCVC) project was initiated to improve clinical outcomes for patients with acute myocardial infarction or stroke in non-capital areas of Korea. The purpose of this study was to evaluate the outcomes and issues identified by the Busan RCCVC project in the treatment of ST-segment elevation myocardial infarction (STEMI).
Methods
Among the patients who were registered in the Korean Registry of Acute Myocardial Infarction for the RCCVC project between 2007 and 2019, those who underwent percutaneous coronary intervention (PCI) for STEMI at the Busan RCCVC were selected, and their medical data were compared with a historical cohort.
Results
In total, 1161 patients were selected for the analysis. Ten years after the implementation of the Busan RCCVC project, the median door-to-balloon time was reduced from 86 (interquartile range [IQR], 64-116) to 54 (IQR, 44-61) minutes, and the median symptom-to-balloon time was reduced from 256 (IQR, 180-407) to 189 (IQR, 118-305) minutes (p<0.001). Inversely, the false-positive PCI team activation rate increased from 0.6% to 21.4% (p<0.001). However, the 1-year cardiovascular death and major adverse cardiac event rates did not change. Even after 10 years, approximately 75% of the patients had a symptom-to-balloon time over 120 minutes, and approximately 50% of the patients underwent inter-hospital transfer for primary PCI.
Conclusions
A decade after the implementation of the Busan RCCVC project, although time parameters for early reperfusion therapy for STEMI improved, at the cost of an increased false-positive PCI team activation rate, survival outcomes were unchanged.
Summary
Korean summary
이번 연구에서는 부산권역심뇌혈관질환센터사업 시작 후 10여년간의 ST분절상습심근경색 환자 치료성적의 변화를 살펴보았다. 사업 시작 후 관상동맥중재시술팀의 위양성소집률이 크게 증가한 대신 ST분절상승심근경색 환자의 조기재관류 치료의 시간지표는 의미 있게 개선되었다. 그러나 생존지표는 사업 시작 전과 비교해 차이가 없었는데 중재시술이 불가능한 병원을 경우하는 사례가 많아 골든타임 이내에 조기 재관류치료를 받은 환자의 비율이 전체 환자의 1/4에 불과한 것이 그 원인으로 보인다.

Citations

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  • Trends in Regional Disparities in Cardiovascular Surgery and Mortality in Korea: A National Cross-sectional Study
    Dal-Lae Jin, Kyoung-Hoon Kim, Euy Suk Chung, Seok-Jun Yoon
    Journal of Preventive Medicine and Public Health.2024; 57(3): 260.     CrossRef
  • Relevance Index Regional Variation by Each Disease and Its Essential Medical Field: A Retrospective Data Analysis From 2016-2020 in Korea
    Young-Eun Kim, Jeehee Pyo, Haneul Lee, HyeRan Jeong, Young-Kwon Park, Jeong-Wook Seo, Minsu Ock, Seok-Jun Yoon
    Journal of Korean Medical Science.2023;[Epub]     CrossRef
Evaluation of the Public Health Emergency Response to the COVID-19 Pandemic in Daegu, Korea During the First Half of 2020
Hwajin Lee, Keon-Yeop Kim, Jong-Yeon Kim, Sin Kam, Kyeong Soo Lee, Jung Jeung Lee, Nam Soo Hong, Tae-Yoon Hwang
J Prev Med Public Health. 2022;55(4):360-370.   Published online June 22, 2022
DOI: https://doi.org/10.3961/jpmph.22.068
  • 3,081 View
  • 151 Download
  • 2 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
This study evaluated the response in Daegu, Korea to the first wave of the coronavirus disease 2019 (COVID-19) pandemic according to a public health emergency response model.
Methods
After an examination of the official data reported by the city of Daegu and the Korea Centers for Disease Control and Prevention, as well as a literature review and advisory meetings, we chose a response model. Daegu’s responses were organized into 4 phases and evaluated by applying the response model.
Results
In phase 1, efforts were made to block further transmission of the virus through preemptive testing of a religious group. In phase 2, efforts were concentrated on responding to mass infections in high-risk facilities. Phase 3 involved a transition from a high-intensity social distancing campaign to a citizen participation–based quarantine system. The evaluation using the response model revealed insufficient systematic preparation for a medical surge. In addition, an incorporated health-related management system and protection measures for responders were absent. Nevertheless, the city encouraged the participation of private hospitals and developed a severity classification system. Citizens also played active roles in the pandemic response by practicing social distancing.
Conclusions
This study employed the response model to evaluate the early response in Daegu to the COVID-19 pandemic and revealed areas in need of improvement or maintenance. Based on the study results, creation of a systematic model is necessary to prepare for and respond to future public health emergencies like the COVID-19 pandemic.
Summary
Korean summary
이 연구는 공중보건 위기대응 모형을 적용하여 코로나19 1차 유행에 대한 대구시의 대응을 평가하였습니다. 모형의 세부적 요소인 15개 역량에 따른 평가 결과, 대구의 대응에서 개선 또는 유지해야 할 영역들이 확인되었습니다. 이 결과를 바탕으로, 한국형 공중보건 위기대응 모형을 체계적으로 구축해야 할 것입니다.

Citations

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  • Factors influencing psychological concerns about COVID-19 in South Korea: direct and indirect damage during the early stages of pandemic
    Min-sung Kim, Sung-il Cho
    BMC Public Health.2024;[Epub]     CrossRef
  • Estimation of the Effectiveness of a Tighter, Reinforced Quarantine for the Coronavirus Disease 2019 (COVID-19) Outbreak: Analysis of the Third Wave in South Korea
    Marn Joon Park, Ji Ho Choi, Jae Hoon Cho
    Journal of Personalized Medicine.2023; 13(3): 402.     CrossRef
Analysis of Differences in Preterm Birth Rates According to Household Occupation in Japan From 2007 to 2019
Tasuku Okui, Naoki Nakashima
J Prev Med Public Health. 2022;55(4):371-378.   Published online June 20, 2022
DOI: https://doi.org/10.3961/jpmph.22.178
  • 2,528 View
  • 97 Download
  • 3 Crossref
AbstractAbstract PDF
Objectives
No studies have examined the association between preterm birth rates and socioeconomic factors in Japan using nationwide statistical data. We analyzed the association between preterm birth rates and household occupation using Vital Statistics data.
Methods
Aggregated Vital Statistics data from Japan from 2007 to 2019 were obtained from the Ministry of Health, Labour and Welfare. From the data, the number of births according to year, age group, gestational period, number of pregnancies, and household occupation were used in this study. Crude preterm birth rates and preterm birth rates adjusted by maternal age according to household occupation were calculated for each year. Poisson regression analysis was conducted to evaluate the association between household occupation and preterm births.
Results
Unemployed households had the highest preterm birth rate, and households with an occupation classification of “full-time worker 2” (an employee at a large company, civil servant, or board member) had the lowest preterm birth rate throughout each period. Poisson regression analysis revealed that unemployed households were statistically significantly associated with a high preterm birth risk. In contrast, the preterm birth rate adjusted by maternal age remained stable throughout each period regardless of household occupation, and preterm birth rates were found not to have increased in recent years in Japan.
Conclusions
Unemployed households had higher preterm birth rates than other household occupations. Further studies investigating the characteristics of unemployed households are needed to identify the reasons for this disparity.
Summary

Citations

Citations to this article as recorded by  
  • Analysis of an Association between Preterm Birth and Parental Educational Level in Japan Using National Data
    Tasuku Okui
    Children.2023; 10(2): 342.     CrossRef
  • Association of maternal nationality with preterm birth and low birth weight rates: analysis of nationwide data in Japan from 2016 to 2020
    Tasuku Okui, Yoko Sato, Seiichi Morokuma, Naoki Nakashima
    Maternal Health, Neonatology and Perinatology.2023;[Epub]     CrossRef
  • Does the father’s job matter? Parental occupation and preterm birth in South Korea
    Taemi Kim, Eunseon Gwak, Erdenetuya Bolormaa, Jeong-Won Oh, Jung-won Yoon, Myoung-Hee Kim, Jia Ryu, Seung-Ah Choe
    Epidemiology and Health.2023; : e2023078.     CrossRef
Inequality in Private Health Care Expenditures: A 36-Year Trend Study of Iranian Households
Ehsan Aghapour, Mehdi Basakha, Seyed Hossein Mohaqeqi Kamal, Abolghasem Pourreza
J Prev Med Public Health. 2022;55(4):379-388.   Published online June 27, 2022
DOI: https://doi.org/10.3961/jpmph.22.123
  • 2,476 View
  • 80 Download
  • 1 Crossref
AbstractAbstract PDF
Objectives
Throughout history, societies have been impacted by inequality. Many studies have been conducted on the topic more broadly, but only a few have investigated inequalities in out-of-pocket health payments (OHP). This study measures OHP inequality trends among the Iranian households.
Methods
This study used data from the Iranian Statistics Center on Iranian household income and expenditures. The analysis included a total of 995 300 households during the 36 years from 1984 to 2019. The Gini coefficient, Atkinson index, and Theil index were calculated for Iranian OHP.
Results
Average Iranian household OHP increased from 33 US dollar (USD) in 1984 to 47 USD in 2019. During this 36-year span, the average±standard deviation Gini coefficient for OHP was 0.73±0.04, and the Atkinson and Theil indexes were 0.68±0.05 and 1.14±0.29, respectively. The Gini coefficients for the subcategories of OHP of outpatient diagnostic services, medical assistant accessories, hospital inpatient services, and addiction cessation were 0.70, 0.61, 0.84, and 0.64, respectively.
Conclusions
In this study, we scrutinized trends of inequality in the OHP of Iranian households. Inequality in OHP decreased slightly over the past four decades. An analysis of trends among different subgroups revealed that affluent households, such as households with insurance coverage and households in higher income deciles, experienced higher inequality. Therefore, lower inequality in health care expenditures may be related to restricted access to health care services in Iran.
Summary

Citations

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  • Decomposition of Healthcare Utilization Inequality in Iran: The Prominent Role of Health Literacy and Neighborhood Characteristics
    Neda Soleimanvandiazar, Seyed Hossein Mohaqeqi Kamal, Mehdi Basakha, Salah Eddin Karimi, Sina Ahmadi, Gholamreza Ghaedamini Harouni, Homeira Sajjadi, Ameneh Setareh Forouzan
    INQUIRY: The Journal of Health Care Organization, Provision, and Financing.2024;[Epub]     CrossRef
Increase in Potential Low-value Magnetic Resonance Imaging Utilization Due to Out-of-pocket Payment Reduction Across Income Groups in Korea: An Experimental Vignette Study
Yukyung Shin, Ji-su Lee, Young Kyung Do
J Prev Med Public Health. 2022;55(4):389-397.   Published online July 11, 2022
DOI: https://doi.org/10.3961/jpmph.22.208
  • 3,084 View
  • 108 Download
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
This study examined the effect of out-of-pocket (OOP) payment reduction on the potential utilization of low-value magnetic resonance imaging (MRI) across income groups.
Methods
We conducted an experimental vignette survey using a proportional quota-based sample of individuals in Korea (n=1229). In two hypothetical vignettes, participants were asked whether they would be willing to use MRI if they had uncomplicated headache and non-specific low back pain, each before and after OOP payment reduction. To account for the possible role of physician inducement, half of the participants were initially presented with vignettes that included a physician recommendation for low-value care. The predicted probability, slope index of inequality (SII), and relative index of inequality (RII) were calculated using logistic regression.
Results
Before OOP payment reduction, the lowest income quintile was least likely to use low-value MRI regardless of physician inducement (36.7-49.6% for low back pain; 30.5-39.3% for headache). After OOP payment reduction, almost all individuals in each income quintile were willing to use low-value MRI (89.8-98.0% for low back pain; 78.1-90.3% for headache). Absolute and relative inequalities concerning potential low-value MRI utilization decreased after OOP payments were reduced, even without physician inducement (SII: from 8.15 to 5.37%, RII: from 1.20 to 1.06 for low back pain; SII: from 6.99 to 0.83%, RII: from 1.20 to 1.01 for headache).
Conclusions
OOP payment reduction for MRI has the potential to increase low-value care utilization among all income groups while decreasing inequality in low-value care utilization.
Summary
Korean summary
실험적 비네트 디자인을 활용하여 환자 본인부담금 감소가 잠재적 저가치 MRI 이용에 미치는 영향을 소득 수준별로 분석한 연구이다. 본인부담금 감소로 인해 잠재적 저가치 MRI 이용은 모든 소득 수준에서 증가하고 잠재적 저가치 MRI 이용의 소득 수준에 따른 차이는 감소하는 결과를 보였다.

Citations

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  • Socioeconomic inequality in organized and opportunistic screening for colorectal cancer: results from the Korean National Cancer Screening Survey, 2009–2021
    Xuan Quy Luu, Kyeongmin Lee, Jae Kwan Jun, Mina Suh, Kui Son Choi
    Epidemiology and Health.2023; : e2023086.     CrossRef
“Leisure Life Satisfaction:” Will It Have a Beneficial Impact on Depression Among Older Adults in Community Care Settings in Korea?
Il-Ho Kim, Cheong-Seok Kim
J Prev Med Public Health. 2022;55(4):398-406.   Published online July 7, 2022
DOI: https://doi.org/10.3961/jpmph.22.160
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AbstractAbstract AbstractSummary PDF
Objectives
While the risk of depression is expected to substantially increase among older adults receiving community care, leisure life satisfaction can be regarded as a key component in enhancing the mental health of those receiving community care. However, it is not yet known whether community care utilization increases the risk of depression, or what role is played by leisure life satisfaction in these settings. This study investigated the relationship between community care utilization and depression, as well as the main effect and the moderating role of leisure life satisfaction on the link between community care utilization and depression among older adults.
Methods
This study, using the 2019 Korean Welfare Panel Survey, conducted multiple regression analysis on data from 4494 elderly people aged 65 years or older.
Results
After controlling for potential covariates, older community care recipients were more likely to report symptoms of depression than those who did not receive community care. Meanwhile, leisure life satisfaction was negatively associated with depression in older adults. The test for interaction between community care utilization and leisure life satisfaction revealed that leisure life satisfaction significantly attenuated the link between depression and community care utilization.
Conclusions
The findings of this study imply that leisure life satisfaction could play a meaningful role in improving the mental health of older adults receiving community care. Welfare policies affecting older adults should consider leisure life satisfaction as an important resource for reducing depression in community care settings.
Summary
Korean summary
본 연구는 2019년 한국복지패널조사의 4,494명의 노인들을 대상으로 돌봄노인의 우울 수준과 여가생활 만족의 조절효과를 검증하였다. 연구결과, 돌봄노인의 우울증상이 일반노인에 비하여 유의하게 높았다(p<0.001). 반면 여가생활 만족은 돌봄서비스 이용노인의 우울 증상을 조절하는 효과가 있었다. 이 연구의 결과는 여가생활 만족이 돌봄노인의 정신건강을 향상시키는데 의미 있는 역할을 할 수 있다는 것을 암시한다.

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  • Leisure and Happiness of the Elderly: A Machine Learning Approach
    Eui-Jae Kim, Hyun-Wook Kang, Seong-Man Park
    Sustainability.2024; 16(7): 2730.     CrossRef
  • Social engagement and subjective health among older adults in South Korea: Evidence from the Korean Longitudinal Study of Aging (2006–2018)
    Bo Zhao, Ji Eon Kim, Jiyoung Moon, Eun Woo Nam
    SSM - Population Health.2023; 21: 101341.     CrossRef
  • Do the various leisure forms have equal effects on mental health? A longitudinal analysis of self-selected leisure activities
    Junyi Bian, Zubing Xiang
    Frontiers in Public Health.2023;[Epub]     CrossRef
  • Development of a prediction model for the depression level of the elderly in low-income households: using decision trees, logistic regression, neural networks, and random forest
    Kyu-Min Kim, Jae-Hak Kim, Hyun-Sill Rhee, Bo-Young Youn
    Scientific Reports.2023;[Epub]     CrossRef
  • The Trajectory of Depressive Symptoms Across Years of Community Care Utilization Among Older Adults: A 14-Year Follow-up Study Using the ‘Korean Welfare Panel Survey’
    Il-Ho Kim, Cheong-Seok Kim, Min-Hyeok Jeong
    Journal of Preventive Medicine and Public Health.2023; 56(6): 495.     CrossRef
Brief Report
Analysis of a Targeted Intervention Programme on the Risk Behaviours of Injecting Drug Users in India: Evidence From the National Integrated Biological and Behavioural Surveillance Survey
Damodar Sahu, Varsha Ranjan, Nalini Chandra, Saritha Nair, Anil Kumar, Elangovan Arumugam, Mendu Vishnu Vardhana Rao
J Prev Med Public Health. 2022;55(4):407-413.   Published online July 19, 2022
DOI: https://doi.org/10.3961/jpmph.22.150
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AbstractAbstract PDF
Objectives
This study provides insights on the impact of a targeted intervention (TI) programme on behaviour change among injecting drug users (IDUs) in India.
Methods
This paper examined the data from the Integrated Biological and Behavioural Surveillance 2014-2015 for IDUs in India. Logistic regression was performed to understand the factors (TI programme services) that affected injecting risk behaviours by adjusting for covariates. Propensity score matching was conducted to understand the impact of the TI programme on using new needles/syringes and sharing needles/syringes in the most recent injecting episode by accounting for the covariates that predicted receiving the intervention.
Results
Participants who received new needles and syringes from peer educators or outreach workers were 1.3 times (adjusted odds ratio, 1.29; 95% confidence interval [CI], 1.09 to 1.53) more likely to use new needles/syringes during most recent injecting episode than participants who did not receive needles/syringes. The matched-samples estimate (i.e., average treatment effect on treated) of using new needles in the most recent injecting episode showed a 2.8% (95% CI, 0.0 to 5.6) increase in the use of new needles and a 6.5% (95% CI, -9.7 to -3.3) decrease in needle sharing in the most recent injecting episode in participants who received new needles/syringes. There was a 2.2% (95% CI, -3.8 to -0.6) decrease in needle sharing in the most recent injecting episode among participants who were referred to other services (integrated counselling and testing centre, detox centres, etc.).
Conclusions
The TI programme proved to be effective for behaviour change among IDUs, as substantiated by the use of new needles/syringes and sharing of needles/syringes.
Summary

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  • Effectiveness of targeted intervention program under the national AIDS control program among Hijra and transgender population: Evidence from Integrated Biological and Behavioral Surveillance, 2014-15
    Nishakar Thakur, Sanjay Rai, Shashi Kant, Arvind Pandey, Damodar Sahu, Puneet Misra, Partha Haldar, Shreya Jha, Pradeep Kumar, Chinmoyee Das
    International Journal of STD & AIDS.2024; 35(5): 337.     CrossRef

JPMPH : Journal of Preventive Medicine and Public Health