126. Kim SJ, Son N, Lee WR, Choi DW, Park S, Han KT. Impact of Fragmented Care on Cancer Outcomes among Korean Women with Breast and Cervical Cancer: A Focus on Regional and Economic Disparities. International Journal for Equity in Health. 2025;24:192. [IF=4.100, SSCI, Q1]
125. L. Pasea, P. Cram, P. Bakx, N. Huang, D.T. Ko, N. Burrack, L. Lix, SJ Kim, S. Al-Azazi, J. Cordier, L. Hatfield, J.C. Hirani, C. Uyl-De Groot, B. Landon, A. Banerjee. Variation in care in individuals hospitalised with abdominal aortic aneurysm in nine high-income countries: a cross-sectional cohort study. European Heart Journal. 2024;45(Supplement_1).
124. Son HJ, Woo SH, Kim JE, Kim SJ*. The association between occupational types and psychological effects of COVID-19. Korean Public Health Research. 2025;51(1):137-151. [*Corresponding Author, KCI]
123. Park JH, Kim JE, Woo SH, Kim SJ*. Disparities of healthcare utilization in sexually transmitted diseases management: focusing on racial/regional variances with U.S. national inpatient sample in 2016–2019. Frontiers in Public Health. 2025;13:1543117. [*Corresponding Author]. [IF=3.000, SSCI, Q2]
122. Kim JE, Kim SJ*. Association between social contact and depression among the Korean 19-34 young population using the Korean Community Health Survey (KCHS). Korean Public Health Research. 2024;50(4):137-148. [*Corresponding Author, KCI]
121. Park JH, Kim SJ*, Medina M, Prochnow T, Min K, Chang JW. Are comorbidities associated with differences in healthcare charges among lung cancer patients in US hospitals? Focusing on variances by patient and socioeconomic factor. Chronic Illness. 2024;20(3):434-444. [*Co-First Author]. [IF=1.800, SCIE, Q2]
120. Kim SJ, Medina M, Park JH, Chang JW. Racial and regional disparities surrounding in-hospital mortality among patients with 2019 novel coronavirus disease (COVID-19): Evidence from NIS sample in 2020. Journal of Racial and Ethnic Health Disparities. 2024;11:2416-2424. [IF=3.2, SSCI, Q2]
119. Kim SJ, Medina M, Park JH, Cho NE, Chang JW. Is gender dysphoria associated with increased hospital cost per stay among patients hospitalized for depression? Focus on the racial and regional variance in US hospitals. Frontiers in Public Health. 2024;12:1359127. [IF=5.2, SSCI, Q1]
118. Kim SJ, Medina M, Hotz K, Kim J, Chang JW. Vulnerability to decubitus ulcers and their association with healthcare utilization: Evidence from nationwide inpatient sample dataset from 2016-2020 in US Hospitals. Journal of Patient Safety. 2024;20(3):164-170. [IF=2.200, SSCI, Q3]
117. Lee YJ, Myeong SH, Moon HW, Woo SH, Kim SJ*. The Association between Patient Characteristics of Chungnam-do and External Medical Service Use Using Health Insurance Cohort DB 2.0. Health Policy and Management. 2024;34(1):48-58. [*Corresponding Author, KCI]
116. Choi DW, Kim SJ, Kim SJ, Kim DW, Ryu KS, Kim JH, Chang YJ, Han KT. Relationship between patient outcomes and patterns of fragmented cancer care in older adults with gastric cancer: A nationwide cohort study in South Korea. Journal of Geriatric Oncology. 2024;15(2):101685. [IF=3.000, SCIE, Q3]
115. Woo S, Moon HW, Lee YJ, Kim SJ*. The Association between the Subjective Perception of the Regional Healthcare Environment and Unmet Medical Needs. Korean Journal of Hospital Management. 2023;28(4):62-72. [*Corresponding Author, KCI]
114. Moon H, Woo S, YJ Lee, Kim SJ*. Association Between Adequate Sleep Time and Subjective Health Level. Korean Public Health Research. 2023;49(3):73~84. [*Corresponding Author, KCI]
113. Park JH, Kim SJ*, Grajeda L, Ramirez A, Chang JW. Does opioid use disorder matter for healthcare utilization among lung cancer patients? Evidence from U.S. Hospitals during 2016-2020. Clinical Drug Investigation. 2023;43(8):635-642. [*Co-First Author]. [IF=3.200, SCIE, Q3]
112. Chang JW, Medina M, Shin DY, Kim SJ*. Racial Disparity and Regional Variance in Healthcare Utilization among patients with Lung Cancer in US Hospitals during 2016-2019. Archives of Public Health. 2023;81:150. [*Corresponding Author]. [IF=3.300, SSCI, Q2]
111. Kim SJ, Medina M, Zhong L, Chang JW. Factors Associated With In-Hospital Death Among Pneumonia Patients in US Hospitals From 2016~2019. International Journal of Health Policy and Management. 2023;12(1):7390. [IF=3.500, SSCI, Q2]
110. Lee YJ, Myeong SH, Kim SJ*. Is Income change due to COVID-19 Pandemic associated with Unmet Healthcare Needs in S. Korea. Using representative National Community Health Survey of 2021. Korean Public Health Research. 2023;49(2):55-66 2023.05. [*Corresponding Author, KCI]
109. Han KT, Kim SJ*. Is Fragmented Cancer Care Associated with Higher Healthcare Utilization? Analysis of Lung Cancer Patients Using National Insurance Claim Data. International Journal of Public Health. 2023;68:1606000. [*Corresponding Author]. [IF=4.600, SSCI, Q1]
108. Chang JW, Medina M, Kim SJ*. Is patients' rurality associated with in-hospital sepsis death in US Hospitals. Frontiers in Public Health. 2023:11:1169209. [*Corresponding Author]. [IF=6.461, SSCI, Q0]
107. Choi DW, Kim SJ*, Kim SJ, Kim DW, Jeong WJ, Han KT. Cancer care patterns in South Korea: Types of hospital where patients receive care and outcomes using national health insurance claims data. Cancer Medicine. 2023;12(13)14707-14717. [*Co-First Author]. [IF=4.711, SCIE, Q2]
106. Hahm MI, Kim JE, Kang YJ, Lee HW, Kim SJ. Market share of specialty hospitals in the region and out of the region. Korean Journal of Hospital Management. 2023;28(1):14-23. [KCI]
105. Kim SJ, Patel I, Park C, Shin DY, Chang JW. Palliative care and healthcare utilization among metastatic breast cancer patients in U.S. Hospitals. Scientific Reports. 2023;13:4358. [IF=4.997, SCIE, Q2]
104. Park JH, Prochnow T, Chang JW, Kim SJ*. Is atopic dermatitis associated with stress and depression among adolescents? Results from Korea Youth Risk Behavior Web-based Survey. Patient Preference and Adherence. 2023;17:739-747. [*Corresponding Author].[IF=2.314, SCIE, Q3]
103. Myeong SH, Lee YJ, Kim SJ*. Association between Subjective Health Level and Mask Wearing Practice For COVID-19 Prevention. Korean Public Health Research. 2023;49(1):197-210. [*Corresponding Author]. [KCI]
102. Choi DW, Kim SJ, Kim DJ, Chang YJ, Kim DW, Han KT. Does fragmented cancer care affect survival? Analysis of gastric cancer patients using national insurance claim data. BMC Health Services Research. 2022;22:1566. [IF=2.908, SCIE, Q3]
101. Kim DJ, Kim SJ*. Is Hospital Hospice Service Associated with Efficient Healthcare Utilization in Deceased Lung Cancer Patients? Hospital Charges at Their End of Life. International Journal of Environmental Research and Public Health. 2022;19:15331. [*Corresponding Author]. [IF=4.614, SSCI, Q1]
100. Kim SJ, Medina M, Chang JW. Healthcare utilization of patients with opioid use disorder in US hospitals from 2016 to 2019: Focusing on racial and regional variances. Clinical Drug Investigation. 2022;42(10):853-863. [IF=3.580, SCIE, Q3]
99. Chang JW, Han KT, Medina M, Kim SJ*. Palliative care and healthcare utilization among deceased metastatic lung cancer patients in U.S. hospitals. BMC Palliative Care. 2022;21:136. [*Corresponding Author]. [IF=3.113, SSCI, Q2]
98. Han KT, Chang JW, Choi DW, Kim SJ, Kim DJ, Chang YJ, Kim SJ*. Association of institutional transition of cancer care with mortality in elderly patients with lung cancer a retrospective cohort study using national claim data. BMC Cancer. 2022;22:452. [*Corresponding Author]. [IF=4.430, SCIE, Q2]
97. Kim C, Chun SY, Kim SJ, Yang KH, Baek JH, Shin JH, Yoo JW, Chang YW, Kang KW, Hwang JW. The Impact of the Amendment of the Health Insurance Coverage for F18 fluorodeoxyglucose Positron Emission Tomography on the Healthcare Behaviors for Breast Cancer: An Interrupted Time Series Analysis of the Korean National Data From 2013 to 2018. Journal of Korean Medical Science. 2022;37(19):e153. [IF=2.153, SCIE, Q2]
96. Kim JE, Hahm MI, Lee HY, Kim SJ. Factors Associated with the Exercise of Right to Self-determination about non-benefit Medical Services. Korean Journal of Hospital Management. 2022;27(1):11-19.[KCI]
95. Kim SJ, Medina M, Delgado R, Miller A, Chang J. Healthcare Utilization Disparities Among Lung Cancer Patients in US Hospitals During 2010–2014 Evidence from the US Hispanic Population Hospital Charges and Length of Stay. International Journal of General Medicine. 2022:15;1329-1339. [IF=2.466, SCIE, Q2]
94. Kang EJ, Kim SJ, JW Shon, KW Koh. Social Distancing by Socioeconomic Characteristics during the Early Phase of COVID-19 Pandemic. The Journal of the Korea Contents Association. 2022;22(1):581-590. [KCI]
93. Kim DJ, Yoo JW, Chang JW, Yamashita T, Park EC, Han KT, Kim SJ, Kim SJ*. Does low income effects 5-year mortality of hepatocellular carcinoma patients? International Journal for Equity in Health. 2021;20:151. [*Corresponding Author]. [IF=3.192, SSCI, Q2]
92. Cho HH, Kim JE, Hahm MI, Kang EJ, Kim SJ. Public Perception on Coinsurance Rate of the National Health Insurance in Korea. Health Policy and Management. 2020;30(4):451-459.[KCI]
91. Jung B, Yeo J, Kim SJ, Ha IH. Relationship between hospital specialization and health outcomes in patients with nonsurgical spinal joint disease in South Korea. Medicine (Baltimore). 2021;100(32):e26832. [IF=1.889, SCIE]
90. Kim SJ, Kim DJ, Gim E, Yu TG. Association between job types of economically active population and sleep appropriateness among South Koreans. Korean Journal of Hospital Management. 2020;25(3):67-77 [KCI]
89. Kim JE, Chang J, Kim SJ*. Association between harms from the alcohol consumption of others and depression, stress among Korean adults. Health Policy & Management. 2020;30(3):366-375. [*Corresponding Author, KCI]
88. Kim JE, Kim SJ*. Association between academic performance and depression, suicidal behavior among Korean adolescents. Korean Journal of Health Education and Promotion. 2020;37(3):57-69. [*Corresponding Author, KCI]
87. Hwang JW, Shen JJ, Kim SJ, Chun SY, Kim P, Lee SW, Byun D, Yoo, JW. Opioid use disorders and hospital palliative care among patients with gastrointestinal cancers. Ten-year trend and associated factors in the U.S. from 2005 to 2014. Medicine. 2020;99(25):e20723 [IF=1.552, SCIE]
86. Yu KG, Shen JJ, Kim PC, Kim SJ, Lee SW, Byun D, Yoo JW, Hwang J. Trends of Hospital Palliative Care Utilization and Its Associated Factors Among Patients With Systemic Lupus Erythematosus in the United States From 2005 to 2014. American Journal of Hospice and Palliative Medicine. 2020;37(3):164-171. [IF=1.638, SCIE]
85. Lee SW, Shen J, Kim SJ, Chun SY, Kim P, Riaz J, Yoo JW, Hwang J. US Trends of Opioid-use Disorders and Associated Factors Among Hospitalized Patients With Spinal Conditions and Treatment From 2005 to 2014. Spine. 2020;45(2):124-133. [IF=2.646, SCIE]
84. Liu X, Shen JJ, Kim P, Kim SJ, Ukken J, Choi Y, Hwang IC, Lee JH, Chun SY, Hwang J, Choi H, Yeom H, Lee YJ, Yoo JW. Trends in utilizations of life-sustaining procedures and palliative care consultation in dying patients with advanced chronic pancreas illnesses in U.S. hospitals: 2005-2014. Journal of Palliative Care. 2019;34(4) 232-240. [IF=0.364, SSCI]
83. Hwang J, Shen J, Kim SJ, Chun SY, Kioka M, Sheraz F, Kim P, Byun D, Yoo JW. Ten-Year Trends of Utilization of Palliative Care Services and Life-Sustaining Treatments and Hospital Costs Associated With Patients With Terminally Ill Lung Cancer in the United States From 2005 to 2014. American Journal of Hospice & Palliative Medicine. 2019;36(12):1105-1113. [IF=1.655, SCIE]
82. Kim P, Yamashita T, Shen JJ, Park SM, Chun SY, Kim SJ, Hwang J, Lee SW, Dounis G, Kang HT, Lee YJ, Han DH, Kim JE, Yeom H, Byun D, Bahta T, Yoo JW. Dissociation between the growing opioid demands and drug policy directions among the U.S. older adults with degenerative joint diseases. Medicine. 2019;98(28):e16169. [IF=1.870, SCIE]
81. Liu X, Ayatollahi Y, Yamashita T, Jaradat M, Shen JJ, Kim SJ, Lee YJ, Hwang JY, Yeom H, Upadhyay S, Liu C; Choi H, Yoo JW. Health Literacy and Mortality in Patients With Heart Failure: A Systematic Review and Meta-Analysis. Research in Gerontological Nursing. 2019;12(2): 99-108. [IF=0.964, SSCI]
80. Han KT, Kim SJ, Park EC, Hahm MI, Kim SJ*. Governmental Designation of Emergency Medical Institutes: 30 days mortality by types of designation. Journal of the Neurological Sciences. 2019;397:162-168. [*Corresponding Author]. [IF=2.448, SCIE]
79. Park JH, Kim DJ, Kim SJ*. Is arthritis associated with suicidal ideation and quality of life? Psychology, Health & Medicine. 2019;24(2):144–154. [*Corresponding Author]. [IF=1.589, SSCI]
78. Kim BM, Hahm MI, Min IS, Kim SJ. Factors Influencing on Selection of Specialty Hospital among Inpatients with Loyalty. Korean Journal of Hospital Management. 2018;23(4):1-14. [KCI]
77. Kim SJ, Han KT, Jang SY, Yoo KB, Kim SJ*. The Association between Migraine and Types of Sleep Disorder. International Journal of Environmental Research and Public Health. 2018;15(12):2648. [*Corresponding Author]. [IF=2.145, SSCI]
76. Lee YJ, Yoo JW, Hua L, Kim P, Kim SJ, Shen JJ. Ten-year trends of palliative care utilization associated with multple sclerosis patients in the United States from 2005 to 2014. Journal of Clinical Neuroscience. 2018;58:13-19. [IF=1.64, SCIE]
75. DJ Kim, Kim SJ*. Impact of nearby smoking on adolescent smoking behavior in Korea. Medicine. 2018;97:45:e13125. [*Corresponding Author]. [IF=2.028, SCIE]
74.Han KT, Kim DW, Kim SJ, Kim SJ*. Biological age is associated with the active use of nutrition data. International Journal of Environmental Research and Public Health. 2018;15(11):2431. [*Corresponding Author]. [IF=2.145, SSCI]
73. Han KT, Kim DW, Kim SJ*. Is Sleep Duration Associated with Biological Age (BA)?: Analysis of (2010–2015) South Korean NHANES Dataset South Korea. International Journal of Environmental Research and Public Health. 2018;15(9):2009. [*Corresponding Author]. [IF=2.145, SSCI]
72. Kim JH, Noh JW, Kim SJ, Kwon JA, Choi Y, Yoo KB. Association between Possibility of Purchasing Cigarettes and E-cigarette Experience among Korean Adolescent Smokers Korean Academy of Family Medicine. 2018;39(4):225-232. [KCI].
71. Han KT, Kim SJ, DJ Kim, Kim SJ*. Does the active use of nutrition labeling reduce the risk of diabetes mellitus? Results of insulin resistance. Primary Care Diabetes.2018;12(5):445-452. [*Corresponding Author]. [IF=1.381, SCIE]
70. Shen JJ, Ko E, Kim P, Kim SJ, Lee YJ, Lee JH, Yoo JW. Life-sustaining procedures, palliative care consultation, and Do-Not-Resuscitate status in dying COPD patients in U.S. hospitals: 2010-2014. Journal of Palliative Care. 2018;33(3):159-166. [IF=0.618, SCIE]
69. Ayatollahi Y, Liu X, Namazi A, Jaradat M, Yamashita T, Shen JJ, Lee YJ, Upadhyay S, Kim SJ, Yoo JW. Early Readmission Risk Identification for Hospitalized Older Adults With Decompensated Heart Failure. Research in Gerontological Nursing. 2018;11(4):190-197. [IF=0.818, SSCI]
68. Kim SJ, Park EC, Nam CM, Lee SG, Park S, Kim TH. 5th International Workshop on Lung Health-Poster Awards' Winners Abstract : Healthcare Spending and Utilization of Lung Cancer Patients Using 2002-2012 Nationwide Health Insurance Claims Data. COPD-Journal of Chronic Obstructive Pulmonary Disease. 2018;15(2):1-3. [IF=2.576, SCIE]
67. Han KT, Kim SJ, Kim SJ, Yoo JW, Park EC. Do Reduced Copayments Affect Mortality after Surgery due to Stroke? An Interrupted Time Series Analysis of a National Cohort Sampled in 2003-2012. Journal of Stroke and Cerebrovascular Diseases. 2018;27(6):1502-1510. [IF=1.399, SCIE]
66. Kang EJ, Kim SJ, Min IS, Hamm MI, Park HG, Lee GS. An Experience and Implications of the CK(University for Creative Korea) Excellent Department Program: The case of the Department of Health Administration and Management, Soonchunhyang University. Korean Journal of Public Health Education. 2017;3(1):19-27
65. Kim SJ, Shen J, Ko E, Kim P, Lee YJ, Lee JH, Liu X, Ukken J, Kioka M, Yoo JW. Life-sustaining Procedures, Palliative Care, and Cost Trends in Dying COPD Patients in U.S. Hospitals: 2005~2014. Korean Journal of Hospice and Palliative Care. 2018;21(1):23-32. [KCI].
64. Liu X, Shen J, Kim SJ, Lee YJ, Kwak M, Yoo JW. Necessity of time series analysis and potential effects of directacting antivirals on hepatitis C patients awaiting liver transplantation. Journal of Hepatology. 2018;68(3):628-629]. [IF=12.486, SCI]
63. Choi SK, Han KT, Kim SJ, Sohn TY, Jeon BY, Park EC. Computed Tomography Spending and Utilization for Inpatients with Cerebral Infarction in South Korea. Health Policy & Management. 2017;27(4):358-364. [KCI]
62. Hong S, Park EC, Kim TH, Kwon JA, Yoo KB, Han KT, Yoo JW, Kim SJ*. Effect of pre-existing respiratory conditions on survival of lung cancer patients: a nationwide population-based cohort study. Asia Pacific Journal of Clinical Oncology. 2018;14(2):e71–e80. [*Corresponding Author]. [IF=1.722, SCIE]
61. Kim SJ, Han KT, Kim WR, Kim SJ, Park EC. Early impact on outpatients of mandatory adoption of the DRG-based reimbursement system in Korea on use of outpatient care:Differences in medical utilization and pre-surgery examination. Health Services Research. 2018;53(4):2064-2083. [IF=2.806, SCIE]
60. Cha YJ, Song YJ, Kim EY, Kim, SJ*, Kim DJ. Analysis of Medical Rehabilitation’s Fee Using National Health Insurance Service’s Big Data: Focusing on ICF Model. The Journal of Korean Society of Occupational Therapy. 2017;25(4),1-17. [*Corresponding Author]. [KCI]
59. Kim P, Shen J, Lee YJ, Kim SJ, Xibei L, Yoo JW. Alternative trends estimate and stakeout synthetic marijuana use. American Journal of Medicine. 2017;130(12):e563-e564. [IF=5.50, SCIE]
58. Kim SJ, Han KT, Kim SJ, Park EC. Medical costs, Cesarean delivery rates, and length of stay in specialty hospitals vs. non-specialty hospitals in South Korea. Plos One. 2017;12:(11):e0188612 [IF=3.089, SSCI]
57. Lee YN, Park JH, Kim B, Kim DJ, Han JW, Han KT, Kim SJ*. Violent crimes in a community and quality of life for its inhabitants: Results of a multi-level study in South Korea. Psychiatry Research. 2017;257:450-455 [*Corresponding Author]. [IF=2.528, SSCI]
56. Liu X, Shen JJ, Lee YJ, Kim SJ, Lee JH , Herrera K, Chang C, Yoo JW. National Temporal Trends of Intensive Medical Procedures and Palliative Care During Terminal Hospitalization Among Patients With Esophageal Cancer in the U.S. The American Journal of Gastroenterology. 2017;112:S1504-S1505. [IF=9.566, SCIE]
55. Liu X, Shen JJ, Lee YJ, Kim SJ, Lee JH, Yousif A, Farooqui M, Yoo JW. National Temporal Trends of Intensive Medical Procedures and Palliative Care During Terminal Hospitalization Among Patients With Pancreatic Cancer in the U.S. The American Journal of Gastroenterology. 2017;112:S630-S631. [IF=9.566, SCIE]
54. Kim DJ, Kim SJ*. Impact of Increased Tobacco Price on Adult Smoking rate in South Korea. Health Policy and Management. 2017;27(3):219-228. [*Corresponding Author]. [KCI]
53. Kim SJ, Park EC, Kim SJ, Han KT, Jang SI. How did market competition affect outpatient utilization under the diagnosis-related group-based payment system? International Journal for Quality in Health Care. 2017;29(3):399-405. [IF=2.342, SSCI]
52. Kim SJ, Han KT, Kim SJ, Park EC. Pay-for-performance reduces healthcare spending and improves quality of care: Analysis of target and non-target obstetrics and gynecology surgeries. International Journal for Quality in Health Care. 2017:29(2):222-227. [IF=2.342, SSCI]
51. Kim SJ, Han KT, Kim SJ, Park EC. Association between results of quality assessment of long-term care facilities and hospital-acquired pneumonia in patients with stroke or neurodegenerative disease in Korea. Journal of the American Geriatrics Society. 2016;64(12):e311-e313. [IF=3.842, SSCI]
50. Kim SJ, Park EC, Kim SJ, Kim TH. Nurse Staffing and 30-day Readmission of Chronic Obstructive Pulmonary Disease Patients: A 10-year Retrospective Study of Patient Hospitalization. Asian Nursing Research. 2016;10(4): 283–288. [IF=0.849, SSCI]
49. Kim SJ. Hospital Administration using healthcare Big-Data. Korean Hospital Association. 2016;363(5):56-58. [N/A]
48. JH Park, MI Hahm, Kim SJ, IS Min. Association between High-caffeine Energy Drink Intake and Suicidal Ideation in Korean Adolescents. Journal of the Korean Society of School Health. 2016;29:71-80. [KCI]
47. Yoo KB, Park EC, Ahn UK, Kim TH, Lee SG, Kim SJ, Kwon JA. Impact of co-payment for outpatient utilization among Medical Aid beneficiaries in Korea: A 5-year time series study. Health Policy. 2016;120(8):960-966. [IF=2.035, SSCI]
46. Han KT, Kim J, Nam JM, Moon KT, Lee SG, Kim SJ, Ju YJ, Kwon JA, Kim SJ, Kim W, Park EC. Association between reduction in copayment and gastric cancer patient concentration to the capital area in South Korea: NHI cohort 2003–2013. Health Policy. 2016;120(6):580-589. [IF=2.035, SSCI]
45. Kim SJ, Han KT, Kim SJ, Park EC, Park HK. Impact of a diagnosis-related group payment system on cesarean section in South Korea. Health Policy. 2016;120(6):596-603. [IF=2.035, SSCI]
44. Han KT, EC Park, Kim SJ*. Unmet healthcare needs and community health center utilization among the low-income population based on a nationwide community health survey. Health Policy. 2016;120(6):630-637. [IF=2.035, SSCI, [*Corresponding Author]
43. Ha HJ, Han KT, Kim SJ, Sohn TY, Jeon B, Park EC. Changes in Saturday outpatient volume and billings after introducing the Saturday incentive programme to clinics in South Korea: a longitudinal cohort study using claims data from 2012 to 2014. BMJ Open. 2016;6(6):e011248. [IF=2.562, SCIE]
42. Han KT, Lee SY, Kim SJ, Ham MI, Jang SI, Kim SJ, Kim W, Park EC. Readmission rates of South Korean psychiatric inpatients by inpatient volumes per psychiatrist. BMC PSYCHIATRY. 2016;16:96. [IF=2.576, SCIE]
41. Yoo KB, Park EC, Jang SY, Kwon JA, Kim SJ, Cho KH, Choi JW, Kim JH, Park SH. Association between employment status change and depression in Korean adults. BMJ Open. 2016;6(3):e008570. [IF=2.562, SCIE]
40. Kim SJ, Park EC, Kim SJ, Han KT, Han E, Jang SI, Kim TH. The effect of competition on the relationship between the introduction of the DRG system and quality of care in Korea. The European Journal of Public Health. 2016;26;(1):42–47. [IF=2.751, SSCI]
39. Cho KH, Kim YS, Nam CM, Kim TH, Kim SJ, Han KT, Park EC. Home oxygen therapy reduces risk of hospitalisation in patients with chronic obstructive pulmonary disease: a population-based retrospective cohort study, 2005–2012. BMJ Open. 2015;30;5(11). [IF=2.271, SCIE]
38. Lee SY, Kim SJ, Yoo KB, Lee SG, Park EC. Gender gap in self-rated health in South Korea compared with the United States. International Journal of Clinical and Health Psychology. 2016;16(1):11–20. [IF=2.85, SSCI]
37. Cho KH, Kim YS, Nam CM, Kim TH, Kim SJ, Han KT, Park EC. The Association between Continuity of Care and All-Cause Mortality in Patients with Newly Diagnosed Obstructive Pulmonary Disease: A Population-Based Retrospective Cohort Study, 2005-2012. PLOS One. 2015;3;10(11). [IF=3.234, SCIE]
36. Han KT, Kim SJ, Kim W, Jang SI, Yoo KB, Lee SY, Park EC. Associations of volume and other hospital characteristics on mortality within 30 days of acute myocardial infarction in South Korea. BMJ Open. 2015;6;5(11). [IF=2.271, SCIE]
35. Kim SJ, Lee SG, Kim TH, Park EC. Healthcare spending and performance of specialty hospitals: Nationwide evidence from colorectal-anal specialty hospitals in South Korea. Yonsei Medical Journal. 2015;56(6):1721-1730. [IF=1.287, SCI]
34. Yuk SM, Han KT, Kim SJ, Kim W, Sohn TY,Jeon B, Kim YM, Park EC. Consumption of pharmaceutical drugs in exception region of separation for drug prescribing and dispensing program in South Korea. Substance Abuse Treatment, Prevention, and Policy. 2015;10:36. [IF=1.23, SSCI]
33. Han KT, Kim SJ, Jang SI, Hahm MI, Kim SJ, Lee SY, Park EC. The outcomes of psychiatric inpatients by proportion of experienced psychiatrists and nurse staffing in hospital: New findings on improving the quality of mental health care in South Korea. Psychiatry Research. 2015;229(3):880-886. [IF=2.467, SSCI]
32. Han KT, Park EC, Kim SJ, Kim W, Hahm MI, Jang SI, Lee SG. Effective strategy for improving health care outcomes: Multidisciplinary care in cerebral infarction patients. Health Policy. 2015;119(8):1039-45. [IF=1.907, SSCI]
31. Yoon SH, Han KT, Kim SJ, Sohn TY, Jeon B, Kim W, Park EC. Combined effect of body mass index and body size perception on metabolic syndrome in South Korea: results of the fifth Korea National Health and Nutrition Examination Surveys (2010-2012). BMC Public Health. 2015;15:554. [IF=2.264, SCIE]
30. Kwon JA, Jeon W, Park EC, Kim JH, Kim SJ, Yoo KB, Lee M, Lee SG. Effects of Disease Detection on Changes in Smoking Behavior. Yonsei Medical Journal. 2015;56(4):1143-1149. [IF=1.287, SCI]
29. Han KT, Kim SJ, Park EC, Yoo KB, Kwon JA, Kim TH. Does Home Oxygen Therapy Slow Down the Progression of Chronic Obstructive Pulmonary Diseases? Korean J Hosp Palliat Care. 2015;18(2):128-135. [KCI]
28. Han KT, Kim SJ, Jang SI, Kim SJ, Lee SY, Lee HJ, Park EC. Positive correlation between care given by specialists and registered nurses and improved outcomes for stroke patients. Journal of the Neurological Sciences. 2015;353(1-2):137–142. [IF=2.474, SCI]
27. Lee SY, Kim SJ, Shin JY, Han KT, Park EC. The impact of job status on quality of life: General population versus long-term cancer survivors. Psycho Oncology. 2015;24(11):1552–1559. [IF=2.443, SSCI]
26. Kim SJ, Park EC, Kim TH, Yoo JW, Lee SG. Mortality, length of stay, and inpatient charges of Public vs. Private hospitals for heart failure patients in South Korea. Yonsei Medical Journal. 2015;56(3):853-861. [IF=1.287, SCI]
25. Kim SJ, Han KT, Kim TH, Park EC. Does Hospital Need More Hospice Beds? Healthcare spending and utilizations by Korean lung cancer inpatients at their end of life: A Retrospective Cohort Design of 2002-2012. Palliative Medicine. 2015;29(9):808–816. [IF=2.855, SCI]
24. Yoo JW, Jabeen S, Bajwa T, Kim SJ, Leander D, Hasan L, Punke J, Soryal S, Khan A. Hospital Readmission of Skilled-Nursing Facility Residents: A Systematic Review. Research in Geontological Nursing. 2015;8(3):148-156. [IF=0.643, SSCI]
23. Jang SI, Cho KH, Kim SJ, Lee KS, Park EC. Setting a Health Policy Research Agenda for Controlling Cancer Burden in Korea. Cancer Research and Treatment. 2015;47(2):149–157. [IF=3.318, SCIE]
22. Kim SJ, Yoo JW, Lee SG, Kim TH, Han KT, Park EC. Governmental Designation of Spine Specialty Hospitals: Their characteristics, performance, and designation effects. BMJ Open. 2014;4:e006525. [IF=2.063, SCIE]
21. Han KT, Park EC, Kim SJ, Jang SI, Shin J, Kim CO, Choi JW, Lee SG. Factors Affecting the Quality of Life of Korean Cancer Survivors Who Return to the Workplace. Asia Pacific Journal of Cancer Prevention. 2014;15(20):8783-8788. [IF=1.5, SCIE]
20. Han KT, *Kim SJ, Lee SY, Park EC. Cost-Effectiveness Analysis of HPV Vaccination: Comparing the General Population with Socially Vulnerable Individuals. Asia Pacific Journal of Cancer Prevention. 2014;15(19):8503-8508. [IF=1.5, SCIE, *Co-First Author]
19. Song HY, Kwon JA, Cho JW, Kim SJ, Park EC. Gender Differences in Marital Disruption among Patients with Cancer: Results from the Korean National Health and Nutrition Examination Survey (KNHANES). Asia Pacific Journal of Cancer Prevention. 2014, 15(16):6547-6552. [IF=1.5, SCIE]
18. Han KT, Park EC, Kim JH, Kim SJ, Park S. Is marital status associated with quality of life? Health and Quality of Life Outcomes. 2014;12:109. [IF=2.099, SCI]
17. Kim SJ, Lee JH, Han B, Lam J, Bukowy E, Rao A, Vulcano J, Andreeva A, Bertelson H, Shin HP, Yoo JW. Effects of Hospital-Based Physical Therapy on Hospital Discharge Outcomes among Hospitalized Older Adults with Community-Acquired Pneumonia and Declining Physical Function. Aging & Disease. 2015;6(3):174-179. [IF=3.07, SCIE]
16. Han KT, Kim SJ, Song H, Chun SY, Kim CO, Kim JS, Park EC. Associations between Quality of Life and Marital Status in Cancer Patients and Survivors. Asia Pacific Journal of Cancer Prevention. 2014;15(13):5287-5291. [IF=1.5, SCIE]
15. Kim SJ, Han KT, Park EC, Park SH, Kim TH. Copayment policy effects on healthcare spending and utilizations by Korean lung cancer patients at end of life: A Retrospective Cohort Design 2003-2012. Asia Pacific Journal of Cancer Prevention. 2014;15(13):5265-5270. [IF=1.5, SCIE]
14. Lee JH, Kim SJ, Lam J, Kim S, Nakagawa S, Yoo JW. The Effects of Shared Situational Awareness on Functional and Hospital Outcomes of Hospitalized Older Adults with Heart Failure. Journal of Multidisciplinary Healthcare. 2014;7:259-265. [SCOPUS]
13. Kim SJ, Lee JJ, Kim S, Nakagawa S, Bertelson H, Lam J, Yoo JW. Associations between the 2007 Medicare reimbursement reduction for bone mineral density testing and osteoporosis drug therapy patterns of female Medicare beneficiaries. Journal of Patient Preference and Adherence. 2014;8:909-915. [IF=1.491, SCIE]
12. Kim SJ, Lee JH, Nakagawa S, Buklowy E, Biswas A, Han B, Cho Y, Shin HP, Yoo JW. Predictors of hospitalization among newly admitted skilled nursing facility residents: rethinking the role of the functional decline. Journal of Patient Centered Research & Reviews. 2014;1(2):70-76. [N/A]
11. Kim SJ, Park EC, Yoo KB, Kwon JA, Kim TH. The Association of Market Competition With Hospital Charges, Length of Stay, and Quality Outcomes for Patients With Joint Diseases: A Longitudinal Study in Korea. Asia Pacific Journal of Public Health. 2015; 27(2): 195-207. [IF=1.111, SSCI]
10. Kim SJ, Park EC, Kim S, Nakagawa S, Lung J, Choi JB, Ryu WS, Min TJ, Shin HP, Kim K, Yoo JW. The Association Between Quality of Care and Quality of Life for Nursing Home Residents with Preserved Cognition. Journal of the American Medical Director's Association. 2014;15(3):220-225. [IF=4.781, SCIE]
9. Kim SJ, Jee SH, Nam JM, Cho WH, Kim JH, Park EC. Do early onset and pack-years of smoking increase risk of diabetes? Evidence from South Korea and the United States. BMC Public Health. 2014;14(1):178. [IF=2.321, SCIE]
8. Yoo JW, Kim SJ, Geng Y, Shin HP, Nakagawa S. Quality and Innovations for Caring Hospitalized Older Persons in the Unites States. Aging & Disease. 2014;5(1):41–51. [N/A]
7. Yoo JW, Seol H, Kim SJ, Yang JM, Ryu WS, Min TJ, Choi JB, Kown M, Kim S. Effects of hospitalist-directed interdisciplinary medicine floor service on hospital outcomes for seniors with acute medical illness. Geriatrics & Gerontology International. 2014;14(1):71-7. [IF=1.575, SSCI]
6. Kim JH, Park EC, Nam JM, Park SH, Cho JL, Kim SJ, Choi JW, Cho E. The Werther Effect of Two Celebrity Suicides: an Entertainer and a Politician. PLOS One. 2013;8(12): e84876. [IF=4.244, SCIE]
5. Kim SJ, Park EC, Jang SI, Lee MJ, Kim TH. An analysis of the inpatient charge and length of stay for patients with joint diseases in Korea, Specialty versus small general hospitals. Health Policy. 2013;113(1-2):93-99. [IF=1.55, SSCI]
4. Yoo JW, Kim S, Kim SJ, Ryu W, Min T, Shin H, Kim KD, Choi JB, Nakagawa S. Effects of Health Insurance on Racial Disparity in female seniors’osteoporosis drug Therapy Adherence. Journal of the American Pharmacist Association. 2013;53(6):626-631. [IF=1.156, SCIE]
3. Yoo JW, Kim S, Seol H, Kim SJ, Yang JM, Ryu WS, Min TJ, Choi JB, Kwon M, Nakagawa S. Effects of an internal medicine floor interdisciplinary team on hospital and clinical outcomes of seniors with acute medical illness. Geriatrics & Gerontology International. 2013;13(4):942-8. [IF=2.167, SSCI]
2. Yoo JW, Choi JB, Kim SJ, Shin HP, Kim K, Ryu WS, Min TJ, Kim S, Nakagawa S. Factors Associated With Stay in a Skilled Nursing Facility For Over 90 Days From Admission: Seniors' Participation in Therapy and Desire to Return to the Community. Journal of the American Medical Director's Association. 2013;14(9):710.e1-4. [IF=5.32, SCIE]
1. Chang J, Patel I, Suh WS, Lin HC, Kim SJ, Balkrishnan R. Does state budget pressure matter for uncompensated care spending in hospitals? Findings from Texas and California. International Journal of Health Planning & Management. 2012;27(2):88-103. [IF=0.64, SSCI]