Publications

Peer-reviewed Journal Articles

Kim, H., Kwak, S., Youm, Y., & Chey, J. (2021). Social Network Characteristics Predict Loneliness in Older Adults. Gerontology, 1-12. https://doi.org/10.1159/000516226

Cho, So Mi Jemma, Hokyou Lee, Jee-Seon Shim, Yoosik Youm, Sun Jae Jung, Dae Jung Kim, and Hyeon Chang Kim. Association between Social Network Structure and Physical Activity in Middle-aged Korean Adults. Social Science & Medicine, (2021): 114112. https://doi.org/10.1016/j.socscimed.2021.114112

Kwak, S., Kim, H., Kim, H., Youm, Y., & Chey, J. (2021). Distributed functional connectivity predicts neuropsychological test performance among older adults. Human Brain Mapping, 42: 3305-3325. https://doi.org/10.1002/hbm.25436

Lee, Sung-Ha, Ekaterina Baldina, Eun Lee, and Yoosik Youm. (2021). Social connectedness and hair cortisol in community-dwelling older adults. Comprehensive Psychoneuroendocrinology, 6: 100053. https://doi.org/10.1016/j.cpnec.2021.100053

Youm, Y., Kim, J., Kwak, S., & Chey, J. (2021). Neural and social correlates of attitudinal brokerage: using the complete social networks of two entire villages. Proceedings of the Royal Society B, 288(1944): 20202866. https://doi.org/10.1098/rspb.2020.2866

Youm, Y., Lee, B., Kim, J. (2021). A measure of centrality in cyclic diffusion processes: Walk-betweenness. PLOS ONE, 16(1): e0245476. https://doi.org/10.1371/journal.pone.0245476

Youm, Y., Baldina, E., & Baek, J. (2021). All-cause mortality and three aspects of social relationships: an eight-year follow-up of older adults from one entire Korean village. Scientific reports, 11(1): 1-11. https://doi.org/10.1038/s41598-020-80684-5

Choi, H., Hong, N., Park, N., Kim, C.O., Kim, H.C., Choi, J.Y., Youm, Y. and Rhee, Y., (2021). Computed Tomography-Derived Skeletal Muscle Radiodensity Predicts Peak Weight-Corrected Jump Power in Older Adults: The Korean Urban Rural Elderly (KURE) Study. Calcified Tissue International, 108: 764-774. https://doi.org/10.1007/s00223-021-00812-9

Hyon, R., Youm*, Y., Kim, J., Chey, J., Kwak, S., & Parkinson, C. (2020). Similarity in functional brain connectivity at rest predicts interpersonal closeness in the social network of an entire village. Proceedings of the National Academy of Sciences, 117(52): 33149-33160. https://doi.org/10.1073/pnas.2013606117

Kwak, M. S., Cho, S. M. J., Shim, J. S., Kim, D. J., Youm, Y., & Kim, H. C. (2020). Association of social network size and composition with physical activity in Korean middle-aged population. Epidemiology and Health, 42: e2020070. https://doi.org/10.4178/epih.e2020070

Park, K., Cho, D., Lee, E., Kim, J., Shim, J. S., Youm, Y., ... & Kim, H. C. (2020). Sex differences in the association between social relationships and insomnia symptoms. Journal of Clinical Sleep Medicine, 16(11): 1871-1881. https://doi.org/10.5664/jcsm.8710

Park, S., Park, K., Shim, J. S., Youm, Y., Kim, J., Lee, E., & Kim, H. C. (2020). Psychosocial factors affecting sleep misperception in middle-aged community-dwelling adults. PLOS ONE, 15(10): e0241237. https://doi.org/10.1371/journal.pone.0241237

Choi, J., Yang, K., Chu, S. H., Youm, Y., Kim, H. C., Park, Y. R., & Son, Y. J. (2020). Social Activities and Health-Related Quality of Life in Rural Older Adults in South Korea: A 4-Year Longitudinal Analysis. International Journal of Environmental Research and Public Health, 17(15), 5553. https://doi.org/10.3390/ijerph17155553

Kim, Kwanghyun, Sun Jae Jung, Jong Min Baek, Hyeon Woo Yim, Hyunsuk Jeong, Dae Jung Kim, Sungha Park, Yoosik Youm, and Hyeon Chang Kim. (2020) Associations between social network properties and metabolic syndrome and the mediating effect of physical activity: findings from the Cardiovascular and Metabolic Diseases Etiology Research Center (CMERC) Cohort. BMJ Open Diabetes Research and Care, 8(1): e001272. http://dx.doi.org/10.1136/bmjdrc-2020-001272

LBD Double Burden of Malnutrition Collaborators. (2020). Mapping local patterns of childhood overweight and wasting in low-and middle-income countries between 2000 and 2017. Nature medicine, 26(5), 750. https://doi.org/10.1038/s41591-020-0807-6

Lee, S., Lee, S., Lee, E., Youm, Y., Cho, H. S., & Kim, W. J. (2020). Gender differences in social network of cognitive function among community-dwelling older adults. Geriatrics & Gerontology International, 20(5), 467-473. https://doi.org/10.1111/ggi.13906

Choi, Hye Rin, Tyler Hyungtaek Rim, Jung Hyun Lee, Seung Won Lee, Jongmin Baek, Kwanghyun Kim, Yoosik Youm, and Hyeon Chang Kim. (2020). Prevalence of and factors related with abnormal fundoscopic findings among the elderly population in a rural community in South Korea. Seminars in Ophthalmology 35(1): 41-49. https://doi.org/10.1080/08820538.2020.1722182

Hyun-Soo Kim, H., & Youm, Y. (2020). Exploring the contingent associations between functional limitations and depressive symptoms across residential context: a multilevel panel data analysis. Aging & mental health, 1-10. https://doi.org/10.1080/13607863.2018.1523877

Frank, T. D., Carter, A., Jahagirdar, D., Biehl, M. H., Douwes-Schultz, D., Larson, S. L., ... & Abu-Raddad, L. J. (2019). Global, regional, and national incidence, prevalence, and mortality of HIV, 1980–2017, and forecasts to 2030, for 195 countries and territories: a systematic analysis for the Global Burden of Diseases, Injuries, and Risk Factors Study 2017. The Lancet HIV, 6(12), e831-e859. https://doi.org/10.1016/S2352-3018(19)30196-1

Bang, M., Kim, J., An, S. K., Youm, Y., Chey, J., Kim, H. C., ... & Lee, E. (2019). Associations of systemic inflammation with frontotemporal functional network connectivity and out-degree social-network size in community-dwelling older adults. Brain, behavior, and immunity. https://doi.org/10.1016/j.bbi.2019.01.025

Choi, H. R., Lee, S. W., Jeon, D. H., Hur, N. W., Youm, Y., & Kim, H. C. (2019). Association between estimated glomerular filtration rate (eGFR) and asymmetric dimethylarginine (ADMA) concentrations among the elderly in a rural community: a cross-sectional study. BMC geriatrics, 19(1), 1-9. https://doi.org/10.1186/s12877-019-1388-4

Hong, N., Kim, K. J., Lee, S. J., Kim, C. O., Kim, H. C., Rhee, Y., ... & Park, H. Y. (2019). Cohort profile: Korean Urban Rural Elderly (KURE) study, a prospective cohort on ageing and health in Korea. BMJ open, 9(10), e031018. http://dx.doi.org/10.1136/bmjopen-2019-031018

Shim, J. S., Song, B. M., Lee, J. H., Lee, S. W., Park, J. H., Choi, D. P., ... & Lee, W. W. (2019). Cohort profile: The cardiovascular and metabolic diseases etiology research center cohort in Korea. Yonsei medical journal, 60(8), 804-810. https://doi.org/10.3349/ymj.2019.60.8.804

Lee, Su Jin, Eun Young Lee, Jung Hyun Lee, Jong Eun Kim, Kwang Joon Kim, Yumie Rhee, Hyeon Chang Kim, Yoosik Youm, and Chang Oh Kim. "Associations of serum 25-hydroxyvitamin D with metabolic syndrome and its components in elderly men and women: the Korean Urban Rural Elderly cohort study." BMC geriatrics 19, no. 1 (2019): 102. https://doi.org/10.1186/s12877-019-1150-y

Hong, Namki, Chang Oh Kim, Yoosik Youm, Jin-Young Choi, Hyeon Chang Kim, and Yumie Rhee. "Elevated red blood cell distribution width is associated with morphometric vertebral fracture in community-dwelling older adults, independent of anemia, inflammation, and nutritional status: the Korean urban rural elderly (KURE) study." Calcified tissue international 104, no. 1 (2019): 26-33. https://doi.org/10.1007/s00223-018-0470-9

Kim, H., Kwak, S., Kim, J., Youm*, Y., & Chey, J. (2019). Social Network position Moderates the Relationship between Late-life Depressive symptoms and Memory Differently in Men and Women. Scientific reports, 9(1), 6142. https://doi.org/10.1038/s41598-019-42388-3

Hur, N.W., Kim, H.C., Waite, L. and Youm, Y., (2018). Is the Relationship between Depression and C Reactive Protein Level Moderated by Social Support in Elderly?-Korean Social Life, Health, and Aging Project (KSHAP). Psychiatry investigation, 15(1), pp.24-33. https://doi.org/10.4306/pi.2018.15.1.24

Joo, W. T., Lee, C. J., Oh, J., Kim, I. C., Lee, S. H., Kang, S. M., ... & Youm, Y. (2018). The association between social network betweenness and coronary calcium: A baseline study of patients with a high risk of cardiovascular disease. Journal of Atherosclerosis and Thrombosis, 40469. https://doi.org/10.5551/jat.40469

Kwak, S., Joo, W.T., Youm*, Y. and Chey, J., (2018). Social brain volume is associated with in-degree social network size among older adults. Proc. R. Soc. B, 285(1871), p.20172708. https://doi.org/10.1098/rspb.2017.2708

Hong, N., Kim, C.O., Youm, Y., Kim, H.C. and Rhee, Y., (2018). Low peak jump power is associated with elevated odds of dysmobility syndrome in community-dwelling elderly individuals: the Korean Urban Rural Elderly (KURE) study. Osteoporosis International, pp.1-10. https://doi.org/10.1007/s00198-018-4466-0

Kwak, S., Kim, H., Chey, J. and Youm, Y., (2018). Feeling how old I am: Subjective age is associated with estimated brain age. Frontiers in aging neuroscience, 10, p.168. https://doi.org/10.3389/fnagi.2018.00168

Hong, N., Kim, C.O., Youm, Y., Choi, J.Y., Kim, H.C. and Rhee, Y., (2018). Dysmobility syndrome is associated with prevalent morphometric vertebral fracture in older adults: the Korean Urban-Rural Elderly (KURE) study. Archives of osteoporosis, 13(1), p.86. https://doi.org/10.1007/s11657-018-0500-2

Youm*, Y., Lee, S. and Baldina, E., (2018). Association Between Social Support and Bone Health Outcomes: a Systematic Review. Clinical Reviews in Bone and Mineral Metabolism, pp.1-13. https://doi.org/10.1007/s12018-018-9248-x

Sohn, S. Y., Joo, W. T., Kim, W. J., Kim, S. J., Youm, Y., Kim, H. C., ... & Lee, E. (2017). Social network types among older Korean adults: Associations with subjective health. Social Science & Medicine, 173, 88-95. https://doi.org/10.1016/j.socscimed.2016.11.042

Lee, S., Seo, D. H., Kim, K. M., Lee, E. Y., Kim, H. C., Kim, C. O., Youm*,Y., & Rhee, Y. (2017). Contingent association between the size of the social support network and osteoporosis among Korean elderly women. PloS one,12(7), e0180017. https://doi.org/10.6084/m9.figshare.4802008.v1

Lee, S., Youm*, Y., Kim, H., Kwak, S.,&Chey, J.(2017) Homophily of Older Adults Based on Amygdala Volume. New Physics: Sae Mulli 67, 595. https://doi.org/10.3938/NPSM.67.595

Joo, W. T., Kwak, S., Youm*, Y., & Chey, J. (2017). Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness. Scientific Reports,7. https://doi.org/10.1038/s41598-017-04904-1

Lee, E.Y., Lee, S.J., Kim, K.M., Seo, D.H., Lee, S.W., Choi, H.S., Kim, H.C., Youm, Y., Kim, C.O. and Rhee, Y., (2017). Lower jump power rather than muscle mass itself is associated with vertebral fracture in community-dwelling elderly Korean women. Calcified tissue international, 100(6), pp.585-594. https://doi.org/10.1007/s00223-017-0239-6

Lee, E.Y., Lee, S.J., Kim, K.M., Yun, Y.M., Song, B.M., Kim, J.E., Kim, H.C., Rhee, Y., Youm, Y. and Kim, C.O., (2017). Association of metabolic syndrome and 25?hydroxyvitamin D with cognitive impairment among elderly Koreans. Geriatrics & gerontology international, 17(7), pp.1069-1075. https://doi.org/10.1111/ggi.12826

Kim, W.J., Joo, W.T., Baek, J., Sohn, S.Y., Namkoong, K., Youm, Y., Kim, H.C., Park, Y.R., Chu, S.H. and Lee, E., (2017). Factors Associated with Insomnia among the Elderly in a Korean Rural Community. Psychiatry investigation, 14(4), pp.400-406. https://doi.org/10.4306/pi.2017.14.4.400

Choi, H., Kim, H.C., Stefani, K.M., Lee, J.M., Yoon, Y.M., Lee, E.Y., Kim, K.M., Rhee, Y., Youm, Y. and Kim, C.O., (2017). Serum high-density lipoprotein cholesterol concentration and functional state: The Korean Urban Rural Elderly (KURE) Study. Archives of gerontology and geriatrics, 71, pp.115-121. https://doi.org/10.1016/j.archger.2017.04.002

Choi, H.R., Lee, S.W., Yeom, H., Jeon, D.H., Kim, H.C. and Youm, Y., (2017). Association between vitamin D status and asymmetric dimethylarginine (ADMA) concentration in the Korean elderly population. Maturitas, 102, pp.13-17. https://doi.org/10.1016/j.maturitas.2017.05.002

Kim, M., Choi, M. and Youm, Y., (2017). Semantic Network Analysis of Online News and Social Media Text Related to Comprehensive Nursing Care Service. Journal of Korean Academy of Nursing, 47(6), pp.806-816. https://doi.org/10.4040/jkan.2017.47.6.806

Song, B. M., Kim, H. C., Rhee, Y., Youm, Y., & Kim, C. O. (2016). Association between serum 25-hydroxyvitamin D concentrations and depressive symptoms in an older Korean population: A cross-sectional study. Journal of affective disorders, 189, 357-364. https://doi.org/10.1016/j.jad.2015.09.043

Neaigus, A., Jenness, S. M., Reilly, K. H., Youm, Y., Hagan, H., Wendel, T., & Gelpi-Acosta, C. (2016). Community Sexual Bridging Among Heterosexuals at High-Risk of HIV in New York City. AIDS and Behavior, 20(4), 722-736. https://doi.org/10.1007/s10461-015-1244-2

Choi, H., Kim, H. C., Song, B. M., Park, J. H., Lee, J. M., Yoon, D. L., ... & Kim, C. O. (2016). Serum uric acid concentration and metabolic syndrome among elderly Koreans: The Korean Urban Rural Elderly (KURE) study. Archives of gerontology and geriatrics, 64, 51-58. https://doi.org/10.1016/j.archger.2016.01.005

Youm*, Y., & Yamaguchi, K. (2016). A Comparison of the Determinants of Low Marital Fertility between Korea and Japan. Korean Journal of Sociology, 50(3), 23-43. https://doi.org/10.21562/kjs.2016.06.50.3.23

Lee, E. Y., Lee, S. J., Kim, K. M., Yun, Y. M., Song, B. M., Kim, J. E., ... & Kim, C. O. (2016). Association of metabolic syndrome and 25?hydroxyvitamin D with cognitive impairment among elderly Koreans. Geriatrics & Gerontology International. https://doi.org/10.1111/ggi.12826

Baek, J., Hur, N. W., Kim, H. C., & Youm, Y. (2016). Sex-specific effects of social networks on the prevalence, awareness, and control of hypertension among older Korean adults. Journal of Geriatric Cardiology: JGC, 13(7), 580. https://doi.org/10.11909/j.issn.16715411.2016.07.005

Youm*, Y., & Sung, K. (2016). Self-rated Health and Global Network Position: Results From the Older Adult Population of a Korean Rural Village. Annals of Geriatric Medicine and Research, 20(3), 149-159. https://doi.org/10.4235/agmr.2016.20.3.149

Youm*, Y., & Lee, B. (2016). A network approach to economic models of fertility. Rationality and Society, 28(4), 386-409. https://doi.org/10.1177/1043463116658867

Lee, S. J., Kim, K. M., Lee, E. Y., Song, M. K., Kang, D. R., Kim, H. C., ... & Rhee, Y. (2016). Low Normal TSH levels are Associated with Impaired BMD and Hip Geometry in the Elderly. Aging and Disease, 7(6), 734. http://doi.rog/10.14336/AD.2016.0325

Chu, Sang Hui, Ji Won Baek, Eun Sook Kim, Katherine M. Stefani, Won Joon Lee, Yeong-Ran Park, Yoosik Youm, and Hyeon Chang Kim. (2015) "Gender Differences in Hypertension Control among Korean Older Adults." Journal of Preventive Medicine and Public Health. 48(1): 38-47. https://doi.org/10.3961/jpmph.14.043

Song, Bo Mi, Ju-Mi Lee, Wungrak Choi, Yoosik Youm, Sang Hui Chu, Yeong-Ran Park, and Hyeon Chang Kim. "Association between C reactive protein level and depressive symptoms in an elderly Korean population: Korean Social Life, Health and Aging Project." BMJ open 5, no. 2 (2015): e006429. https://doi.org/10.1136/bmjopen-2014-006429

Lee, Seung Won, Yoosik Youm, Won Joon Lee, Wungrak Choi, Sang Hui Chu, Yeong-Ran Park, and Hyeon Chang Kim. "Appendicular Skeletal Muscle Mass and Insulin Resistance in an Elderly Korean Population: The Korean Social Life, Health and Aging Project-Health Examination Cohort." Diabetes & metabolism journal 39, no. 1 (2015): 37-45. https://doi.org/10.4093/dmj.2015.39.1.37

Lee, S. W., Youm, Y., Kim, C. O., Lee, W. J., Choi, W., Chu, S. H., ... & Kim, H. C. (2014). Association between skeletal muscle mass and radial augmentation index in an elderly Korean population. Archives of gerontology and geriatrics, 59(1), 49-55. https://doi.org/10.1016/j.archger.2014.01.008

Lee, E. Y., Kim, H. C., Rhee, Y., Youm, Y., Kim, K. M., Lee, J. M., & Kim, C. O. (2014). The Korean urban rural elderly cohort study: study design and protocol. BMC geriatrics, 14(1), 33. https://doi.org/10.1186/1471-2318-14-33

Lee, J.M., Lee, W.J., Kim, H.C., Choi, W., Lee, J., Sung, K., Chu, S.H., Park, Y.R. and Youm, Y., 2014. The Korean social life, health and aging project-health examination cohort. Epidemiology and health, 36. https://doi.org/10.4178/epih/e2014003

Youm*, Y., Laumann, E. O., Ferraro, K. F., Waite, L. J., Kim, H. C., Park, Y. R., ... & Lee, J. A. (2014). Social network properties and self-rated health in later life: comparisons from the Korean social life, health, and aging project and the national social life, health and aging project. BMC geriatrics, 14(1), 102. https://doi.org/10.1186/1471-2318-14-102

Lee, W. J., Youm, Y., Rhee, Y., Park, Y. R., Chu, S. H., & Kim, H. C. (2013). Social network characteristics and body mass index in an elderly Korean population. Journal of Preventive Medicine and Public Health, 46(6), 336-345. https://doi.org/10.3961/jpmph.2013.46.6.336

Youm*, Yoosik, Byungkyu Lee. (2011). “Social Network Effects on Post-Traumatic Stress Disorder (PTSD) in Female North Korean Immigrants,” Journal of Preventive Medicine and Public Health 44(5): 191-200. https://doi.org/10.3961/jpmph.2011.44.5.191

Yoosik Youm*, Hyojeong Seo. (2011). “Latent Classes of Social Closure and Their Effects on the Subjective Well-being among Korean Adolescents,” Korean Journal of Sociology 45(3): 101-124.

Youm*, Yoosik. (2010). A sociological interpretation of emerging properties in STI transmission dynamics: walk-betweeness of sexual networks. Sexually Transmitted Infections. 2010. 86(3): iii24-iii28. http://dx.doi.org/10.1136/sti.2010.044008

Youm, Y., Mackesy-Amiti, M.E., Williams, C.T. and Ouellet, L.J., (2009). Identifying hidden sexual bridging communities in Chicago. Journal of Urban Health, 86(1), pp.107-120. https://doi.org/10.1007/s11524-009-9371-6

Youm*, Yoosik., Chanung Park. (2007). “On the Relationship between Self-reported Physical Health and Social Networks: Among Korean Junior High School Students,” Development and Society. S221-S226. https://doi.org/10.1002/bit.260340419

Youm*, Yoosik, and Edward O. Laumann. (2003). “The effect of structural embeddedness on the division of household labor: A game-theoretic model using a network approach.” Rationality and Society. 15(2): 243 – 280. https://doi.org/10.1177/1043463103015002004

Youm, Yoosik, and Edward O. Laumann. (2002). “Social Network Effects on the Transmission of Sexually Transmitted Diseases." Sexually Transmitted Diseases 29(11): 689-697. https://doi.org/10.1097/00007435-200211000-00012

hLaumann, Edward. O. and Yoosik Youm. (1999). “Race/ethnic group differences in the prevalence of sexually transmitted diseases in the United States: A Network Explanation.” Sexually Transmitted Diseases. Vol 26. No 5: 250-61. https://doi.org/10.1097/00007435-199905000-00003


Books & Book chapters

Laumann, E. O., Ellingson, S. E., Mahay, J. E., Paik, A. E., & Youm, Y. E. (2004).The sexual organization of the city. University of Chicago Press.

Youm Y., Laumann E.O., Lee K. (2018) Changes of Personal Network Configuration Over the Life Course in the USA: A Latent Class Approach. In: Alwin D., Felmlee D., Kreager D. (eds) Social Networks and the Life Course. Frontiers in Sociology and Social Research, vol 2. Springer, Cham

Youm, Y., (2015). Sexually Transmitted Infections: Social Network Analysis. International Encyclopedia of the Social & Behavioral Sciences, 2nd edition, Vol 21. Oxford: Elsevier. pp. 853-861.

Laumann, E. O., Mahay, J., & Youm, Y. (2007). Sex, intimacy and family life in the United States. The Sexual Self, 165-190.

Youm, Y. (2005). Household behavior and family economics.Encyclopedia of Social Measurements, 243-248.

Youm, Y., & Paik, A. (2004). The sex market and its implications for family formation.The sexual organization of the city, 165-193.

Youm, Y., & Laumann, E.O. (2004). Social networks and STDs. The sexual organization of the city, 227-279.

Laumann, E., Mahay, J., Paik, A., & Youm, Y. (2004). Network data collection and its relevance for the analysis of STDs: the NHSLS and CHSLS.Network epidemiology: A handbook for survey design and data collection, 27-41.

Laumann, Edward. O. and Yoosik Youm. (2001). Racial/Ethnic Group Differences in the Prevalence of Sexually Transmitted Diseases in the United States: A Network Explanation Sex, love, and health in America: Private Choices and Public Policies. Chicago: University of Chicago Press, 327-351.

Laumann, E. O., & Youm, Y. (2001). Sexual expression in America.Sex, love, and health in America: Private Choices and Public Policies. Chicago: University of Chicago Press, 109-148.