Journal of Preventive Medicine and Public Health

Original Article

Association Between Digital Addiction and Physical Activity in Korean Adults Across Age Groups: An Analysis of Community Health Survey Data: Kyungsin Lee, Inmyung Song; J Prev Med Public Health. 2025;58(3):289-297. Published online January 24, 2025; DOI: https://doi.org/10.3961/jpmph.24.683

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Abstract Summary PDF: Objectives
Extensive research has been conducted on digital addiction, particularly concerning internet, gaming, and smartphone use among adolescents and young adults. However, there is limited information about digital addiction in adults, especially in relation to physical activity (PA). This study investigated the prevalence of digital addiction among Korean adults and explored its association with PA across various age groups.
Methods
Using data from the 2023 Community Health Survey (n=231 752), this study estimated the prevalence of digital addiction, defined as experiencing impaired daily functioning due to excessive internet, gaming, or smartphone use. PA was defined as exercise and regular walking. Multiple logistic regression was conducted to examine the association between PA and digital addiction in the full sample and by age group (<40, 40-59, and ≥60 years).
Results
In 2023, the prevalence of digital addiction among adults was estimated to be 12.0%. Significantly higher odds of digital addiction were observed in younger age groups. Individuals who reported perceived stress or depression were at an increased risk for digital addiction. Conversely, PA was linked to a reduced risk of digital addiction, with odds ratios of 0.96 (p<0.05) for exercise and 0.93 (p<0.001) for regular walking. Notably, regular walking was associated with a reduced risk of digital addiction only in the 40-59 age group.
Conclusions
PA, particularly regular walking, is linked to a lower risk of digital addiction in Korean adults. Encouraging regular walking may help reduce digital addiction among middle-aged adults.; Summary

Korean summary
2023년 지역사회건강조사 자료를 분석한 결과, 한국 19세 이상 성인에서 디지털중독 유병률은 12.0%였으며, 규칙적인 신체활동은 낮은 디지털중독의 위험과 유의한 연관성이 있음을 확인하였다(운동 OR=0.96, p<0.05; 걷기 OR=0.93, p<0.001). 특히 중년층(40~59세)에서 규칙적인 걷기는 디지털중독의 위험 감소와 유의한 관련성을 보였다. 이 결과는 중년층을 대상으로 한 신체활동 증진이 디지털중독의 위험을 낮추는데 기여할 수 있음을 시사한다.

Key Message
Previous studies on digital addiction have focused on adolescents and young adults. We found that regular walking was associated with a lower risk of digital addiction, especially among adults aged 40 to 59 years. Physical activity may lower the risk of digital addiction in this age group.

COVID-19: Perspective

New Obligations of Health Insurance Review and Assessment Service: Taking Full-fledged Action Against the COVID-19 Pandemic: Seung Mi Yoo, Seol Hee Chung, Won Mo Jang, Kyoung Chang Kim, Jin Yong Lee, Sun Min Kim; J Prev Med Public Health. 2021;54(1):17-21. Published online January 26, 2021; DOI: https://doi.org/10.3961/jpmph.20.594

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In 2020, the coronavirus disease 2019 (COVID-19) pandemic has caused unprecedented disruptions to global health systems. The Korea has taken full-fledged actions against this novel infectious disease, swiftly implementing a testing-tracing-treatment strategy. New obligations have therefore been given to the Health Insurance Review and Assessment Service (HIRA) to devote the utmost effort towards tackling this global health crisis. Thanks to the universal national health insurance and state-of-the-art information communications technology (ICT) of the Korea, HIRA has conducted far-reaching countermeasures to detect and treat cases early, prevent the spread of COVID-19, respond quickly to surging demand for the healthcare services, and translate evidence into policy. Three main factors have enabled HIRA to undertake pandemic control preemptively and systematically: nationwide data aggregated from all healthcare providers and patients, pre-existing ICT network systems, and real-time data exchanges. HIRA has maximized the use of data and pre-existing network systems to conduct rapid and responsive measures in a centralized way, both of which have been the most critical tactics and strategies used by the Korean healthcare system. In the face of new obligations, our promise is to strive for a more responsive and resilient health system during this prolonged crisis.

Summary

Korean summary
건강보험심사평가원은 전 국민과 전체 요양기관의 축적된 정보, 전체 요양기관과 연결된 네트워크, 실시간 데이터 공유를 통해 이번 코로나19 위기 대응에 기여했다. 건강보험심사평가원은 1) 진단검사∙약제 등재, 2) 요양기관 내 고위험군 감지, 3) 마스크 중복구매 방지 시스템 구축, 4) 주요 보건의료자원 가동현황 모니터링 시스템 구축, 5) 환자관리 정보시스템 구축 및 익명화된 환자 데이터 공개로 국제협력연구 촉진의 다섯 가지 전략을 성공적으로 수행했다. 건강보험심사평가원은 현재의 보건위기 상황을 극복하고, 코로나19 시대 이후로도 새롭게 주어진 위기대응의 역할과 소명을 다할 것이다.

Citations

Citations to this article as recorded by

Precision public-health intervention for care coordination: a real-world study
Andre Q Andrade, Jean-Pierre Calabretto, Nicole L Pratt, Lisa M Kalisch-Ellett, Vanessa T Le Blanc, Elizabeth E Roughead
British Journal of General Practice.2023; 73(728): e220. CrossRef
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Wahyu Pudji Nugraheni, Ekowati Retnaningsih, Rofingatul Mubasyiroh, Tety Rachmawati
Frontiers in Public Health.2023;[Epub] CrossRef
Detecting mpox infection in the early epidemic: an epidemiologic investigation of the third and fourth cases in Korea
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Original Articles

Role of Information and Communication Technology and Women’s Empowerment in Contraceptive Discontinuation in Indonesia: Omas Bulan Samosir, Ayke Soraya Kiting, Flora Aninditya; J Prev Med Public Health. 2020;53(2):117-125. Published online February 12, 2020; DOI: https://doi.org/10.3961/jpmph.19.300

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Abstract PDF

Objectives
This study investigated the role of information and communication technology and women’s empowerment in contraceptive discontinuation in Indonesia.
Methods
The study used data from the 2017 Indonesia Demographic and Health Survey and monthly contraceptive calendar data. A Gompertz proportional hazards model was used for analysis.
Results
The 12-month contraceptive discontinuation rate was higher among women who had used the Internet in the past year, women who were mobile phone owners, and women who reported having fully participated in household decision-making than among their counterparts. These factors significantly impacted the risk of contraceptive discontinuation in Indonesia, even after controlling for contraceptive method, age, parity, contraceptive intent, education, work status, place of residence, and wealth status.
Conclusions
After adjustment for the control variables, a higher risk of contraceptive discontinuation was associated with having used the Internet in the past year, owning a mobile phone, and not participating in household decision-making. Higher contraceptive discontinuation risk was also associated with using contraceptive pills, older age, lower parity, intent of spacing births, more education, current unemployment, and rural residence, and the risk was also significantly higher for those in the lowest household wealth quintile than for those in the fourth household wealth quintile. The association of contraceptive discontinuation with the use of modern information and communication technology and relatively disempowerment in household decision-making may imply that information regarding family planning and contraception should be conveyed via social media as part of setting up an eHealth system. This must include a strong communication strategy to empower and educate women in contraceptive decision-making.

Summary

Citations

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Early discontinuation of long-acting reversible contraceptives methods and its associated factors in Hosanna town, central Ethiopia: a cross-sectional study
Amanuel Defar Bande, Tilahun Bayene Handiso, Habtamu Wude Hanjelo, Belayneh Hamdela Jena
Scientific Reports.2024;[Epub] CrossRef
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Wilson Rajagukguk, Bastian H. Adolf, Pane Medyawanti
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Ruth Ketty Kisuza, Saviour Kicaber, Derrick Bary Abila, Felix Bongomin, Christopher Orach Garimoi
Contraception and Reproductive Medicine.2023;[Epub] CrossRef
The Nexus between Economic Features and Contraceptive Switching in Indonesia
Wilson Rajagukguk, Fajar Lamhot Gultom, Muhammad Alfarabi
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Does Digital Literacy Empower Adolescent Girls in Low- and Middle-Income Countries: A Systematic Review
Salima Meherali, Komal Abdul Rahim, Sandra Campbell, Zohra S. Lassi
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An Application of Delphi Method to the Assessment of Current Status of Cancer Research.: Young Ho Khang, Seok Jun Yoon, Gil Won Kang, Chang Yup Kim, Keun Young Yoo, Young Soo Shin; Korean J Prev Med. 1998;31(4):844-856.

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Abstract PDF: Globally, cancer research has been considered one of the most important field of biomedical researches. Recently, in Korea, there are increasing concerns about cancer research and the development of national cancer control programme. For the efficient investment in cancer research at the national level, strategic approach is needed based on the nationwide information about current status of research. However even the basic data on cancer research have not been systematically collected, and are not available when necessary. The aim of this study is to assess current status of cancer research. For this purpose, this study applied two round Delphi method in which fifteen experts in cancer research fields participated. They rated each items on the initial list at the first round, and modified their responses at the second round. Panels responded that pathogenesis of cancer, research and development of cancer drug, and oncogene, etc. are the most urgent and important research fields. They assessed national level of cancer research as being 49.6% of the world highest level. Coefficient of variation tended to be lowered with the iteration. Predictive stability was evaluated to be lower in items of urgency than in items of importance and research level. Although this study shares the same limitations in the selection of the experts with many other Delphi studies, it provides a primary data that would be required to plan the national strategy of the cancer research.; Summary

Adoption and Its Determining Factors of Computerized Tomography in Korea.: Seok Jun Yoon, Sun Mean Kim, Chul Hwan Kang, Chang Yup Kim, Young Soo Shin; Korean J Prev Med. 1997;30(1):195-207.

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Abstract PDF: High price equipment is one of the major factors that increases national health expenditure in developed countries. Computerized Tomography(CT), one of the important high price equipment, has been concerns of health service researchers and policy makers in many countries. In Korea, CT, first introduced in 1984, have spreaded nationwide with rapid speed. Though the Committee for Approving Import of High Price Medical Equipment, founded in 1981, tried to regulate the introduction of high price medical equipment including CT, the effort resulted in failure. The exact situation of diffusion of the high price equipment, however, was not yet investigated. We aimed at the description of the diffusion of CT in Korea and analysis of influencing factors in hospitals for the adoption of CT. We mainly used the database of CT, made in 1996 by the National Federation of Medical Insurance for the purpose of insurance payment for CT. Also characteristics of hospitals were gathered from yearbooks published by the central and local governments and by the Korean Hospital Association. We calculated the cumulative number of the CT per one million population year by year. In turn, multiple linear logistic regression was done to fine out the contributing factors for the adoption of CT by each hospital. In the logistic regression model, it is regarded as dependent factor whether a hospital retained CT or not in 1988 and 1993. The major categories of the independent factors were hospital characteristics, environmental factors and competitive conditions of hospitals at the period of the adoption. The results are as follows : Numberof CT scanners per one million persons in Korea marked more higher level compared with those of most OECD countries. Major influencing factors on the adoption of CT scanners were hospital characteristics, such as hospital referral level, and competitive condition of hospitals, such as number of CT scanners per 10,000 persons in each district where the hospital was located. In Korea, CT diffused with rather rapid speed, comparable with those of the United States and Japan. The major factors contributing on the adoption of CT for hospitals were competitive condition and hospital characteristics rather than regional health care need for Ct. In conclusion, a kind of regulating mechanism would be necessary for the prevention of the indiscreet adoption and inefficient use of high price equipment including CT.; Summary

Medical Technology of North Korea: with Special Reference to the Content Analysis of Medical Textbooks.: Seok Goo Lee, Hyeong Ryeol Yoon, Gi Hyo Lee, Ok Ryun Moon; Korean J Prev Med. 1990;23(4):416-427.

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Abstract PDF: Unfortunately, we have poor knowledge of medical technology in North Korea. This study has thus attempted to identify the level and status of medical technology development through analyzing the contents of medical textbooks currently in use. This study has assumed that three factors are influencing the level and status of medical technology in a society ; the level of socio-economic development in general, the level of scientific technology revolution and health policy. Forty textbooks are collected for this purpose. The main findings are summarized as follows: 1) North Korea has strengths in that (1) its herb drugs, which are in a broad use, are cheaper, more safe and more attainable than bio-equivalent chemical ones, and (2) the development of its medical technology was carried out with emphasis on the practical and basic health needs. 2) North Korea has weaknesses in that (1) its medical diagnostic method largely depends on manual procedures, (2) the R & D investment in the development of chemical drugs, especially antibiotics, is very small, (3) the amount of medical equipments is in a absolute shortage, and (4) the medical technology is destitute of specialty, caused mainly by the overemphasis on Juche-Uihak or herb medicine. 3) Medical technology has two faces, positive and negative so that it cannot be successfully evaluated by one. It eventually acts a positive function for public health through developments of drug, equipment and new medical treatment method. But it is also true that it has negative effects such as the dehumanization of high cost medical technology, cost hike due to over-investments in expensive equipments, and the absence of wholistic care from overspecialization. 4) We have to consider economic status and the social needs of medical care in order to evaluate the medical technology of a society. It is also the ease with North Korea. A whole picture of the North Korean medical technology could be understood only if further comprehensive studies of medical technology are to be carried out for North Korea.; Summary

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