1.Ethnic Heterogeneity in Reproductive Risk Factors for Breast Cancer, With a Focus on Asian Populations:A Meta-analysis
Youjin HONG ; Soseul SUNG ; Woojin LIM ; Sungji MOON ; Kwang-Pil KO ; Jung Eun LEE ; Inah KIM ; Sun Ha JEE ; Sun-Seog KWEON ; Min-Ho SHIN ; Sangmin PARK ; Seung-Ho RYU ; Sun Young YANG ; Jeongseon KIM ; Sang-Wook YI ; Sue K. PARK
Journal of Cancer Prevention 2026;31(1):20-27
suggest that some reproductive factors associated with BC differ across ethnicities and time trends, perhaps due to the prevalence of reproductive factors and the baseline hazard of BC.
2.Mediating Effect of Empowerment in the Relationship between Nursing Professionalism and Job Satisfaction among Insurance Review Nurses
Eun Jung PARK ; Young-Ran KWEON
Journal of Korean Academy of Nursing Administration 2026;32(1):28-38
This study examined the mediating effect of empowerment on the relationship between nursing professionalism and job satisfaction, with the goal of informing strategies to enhance job satisfaction among insurance review nurses. Methods: A total of 165 insurance review nurses with more than 1 year of work experience in 12 general hospitals (≥500 beds) participated in this study. Data were analyzed using descriptive statistics, t-tests, analysis of variance, Pearson correlation analysis, and multiple regression analysis. The mediating effect was tested using the PROCESS Macro (model 4) in SPSS version 26.0 with 10,000bootstrap samples. Results: The mean scores for nursing professionalism, empowerment, and job satisfaction were 100.37 (standard deviation [SD], 17.03), 86.24 (SD, 17.70), and 45.44 (SD, 9.17), respectively. Significant positive correlations were observed between nursing professionalism and job satisfaction (r=.64, p<.001), empowerment and job satisfaction (r=.77, p<.001), and nursing professionalism and empowerment. Empowerment was found to partially mediate the relationship between nursing professionalism and job satisfaction (95% CI, .20–.44). Conclusion: Enhancing empowerment and strengthening nursing professionalism are essential for improving job satisfaction among insurance review nurses. Institutional interventions that promote professional identity and provide structural empowerment may increase job satisfaction and support retention within this specialized nursing workforce.
3.Structural Validity of the Diagnostic Interview for Internet Addiction Scale for Clinical Samples in Korean Children and Adolescents: Exploratory and Confirmatory Factor Analysis
Mi-Sun LEE ; Jung-Seok CHOI ; Yong-Sil KWEON ; Soo-Young BHANG
Psychiatry Investigation 2025;22(2):167-174
Objective:
This study aimed to validate the reliability and validity of the Diagnostic Interview for the Internet Addiction Scale (DIA) among Korean children and adolescents in the clinical setting.
Methods:
We collected the clinical data from university hospitals in South Korea and 194 children and adolescents (aged 7–18 years) completed the questionnaire. The content validity was conducted on 10 items of the DIA and an internal consistency test was performed for the verification of reliability.
Results:
Participants on average, aged 13.17 years (standard deviation=2.46), and 75.3% (n=146) were boys. The DIA was highly correlated with the scores of the Korean scale for Internet addiction for adolescents, Young’s Internet Addiction Test, Internet addiction proneness scale for children and adolescents. The overall sampling suitability of the 10-item scale was tested using the Kaiser–Meyer–Olkin, resulting in a high value of 0.861. The DIA revealed a two-factor structure and the Cronbach’s alpha correlation coefficient for the total scale was 0.806. Confirmatory factor analysis showed an acceptable model fit (root-mean square error of approximation=0.058, comparative fit index=0.950, and Tucker-Lewis Index=0.919).
Conclusion
The DIA may suggest in-depth-scale examinations of the factors that influence Internet addiction. We may expect that DIA would be used efficiently for the diagnosing of Internet addiction and further studies for the assessment.
4.Structural Validity of the Diagnostic Interview for Internet Addiction Scale for Clinical Samples in Korean Children and Adolescents: Exploratory and Confirmatory Factor Analysis
Mi-Sun LEE ; Jung-Seok CHOI ; Yong-Sil KWEON ; Soo-Young BHANG
Psychiatry Investigation 2025;22(2):167-174
Objective:
This study aimed to validate the reliability and validity of the Diagnostic Interview for the Internet Addiction Scale (DIA) among Korean children and adolescents in the clinical setting.
Methods:
We collected the clinical data from university hospitals in South Korea and 194 children and adolescents (aged 7–18 years) completed the questionnaire. The content validity was conducted on 10 items of the DIA and an internal consistency test was performed for the verification of reliability.
Results:
Participants on average, aged 13.17 years (standard deviation=2.46), and 75.3% (n=146) were boys. The DIA was highly correlated with the scores of the Korean scale for Internet addiction for adolescents, Young’s Internet Addiction Test, Internet addiction proneness scale for children and adolescents. The overall sampling suitability of the 10-item scale was tested using the Kaiser–Meyer–Olkin, resulting in a high value of 0.861. The DIA revealed a two-factor structure and the Cronbach’s alpha correlation coefficient for the total scale was 0.806. Confirmatory factor analysis showed an acceptable model fit (root-mean square error of approximation=0.058, comparative fit index=0.950, and Tucker-Lewis Index=0.919).
Conclusion
The DIA may suggest in-depth-scale examinations of the factors that influence Internet addiction. We may expect that DIA would be used efficiently for the diagnosing of Internet addiction and further studies for the assessment.
5.Structural Validity of the Diagnostic Interview for Internet Addiction Scale for Clinical Samples in Korean Children and Adolescents: Exploratory and Confirmatory Factor Analysis
Mi-Sun LEE ; Jung-Seok CHOI ; Yong-Sil KWEON ; Soo-Young BHANG
Psychiatry Investigation 2025;22(2):167-174
Objective:
This study aimed to validate the reliability and validity of the Diagnostic Interview for the Internet Addiction Scale (DIA) among Korean children and adolescents in the clinical setting.
Methods:
We collected the clinical data from university hospitals in South Korea and 194 children and adolescents (aged 7–18 years) completed the questionnaire. The content validity was conducted on 10 items of the DIA and an internal consistency test was performed for the verification of reliability.
Results:
Participants on average, aged 13.17 years (standard deviation=2.46), and 75.3% (n=146) were boys. The DIA was highly correlated with the scores of the Korean scale for Internet addiction for adolescents, Young’s Internet Addiction Test, Internet addiction proneness scale for children and adolescents. The overall sampling suitability of the 10-item scale was tested using the Kaiser–Meyer–Olkin, resulting in a high value of 0.861. The DIA revealed a two-factor structure and the Cronbach’s alpha correlation coefficient for the total scale was 0.806. Confirmatory factor analysis showed an acceptable model fit (root-mean square error of approximation=0.058, comparative fit index=0.950, and Tucker-Lewis Index=0.919).
Conclusion
The DIA may suggest in-depth-scale examinations of the factors that influence Internet addiction. We may expect that DIA would be used efficiently for the diagnosing of Internet addiction and further studies for the assessment.
6.Structural Validity of the Diagnostic Interview for Internet Addiction Scale for Clinical Samples in Korean Children and Adolescents: Exploratory and Confirmatory Factor Analysis
Mi-Sun LEE ; Jung-Seok CHOI ; Yong-Sil KWEON ; Soo-Young BHANG
Psychiatry Investigation 2025;22(2):167-174
Objective:
This study aimed to validate the reliability and validity of the Diagnostic Interview for the Internet Addiction Scale (DIA) among Korean children and adolescents in the clinical setting.
Methods:
We collected the clinical data from university hospitals in South Korea and 194 children and adolescents (aged 7–18 years) completed the questionnaire. The content validity was conducted on 10 items of the DIA and an internal consistency test was performed for the verification of reliability.
Results:
Participants on average, aged 13.17 years (standard deviation=2.46), and 75.3% (n=146) were boys. The DIA was highly correlated with the scores of the Korean scale for Internet addiction for adolescents, Young’s Internet Addiction Test, Internet addiction proneness scale for children and adolescents. The overall sampling suitability of the 10-item scale was tested using the Kaiser–Meyer–Olkin, resulting in a high value of 0.861. The DIA revealed a two-factor structure and the Cronbach’s alpha correlation coefficient for the total scale was 0.806. Confirmatory factor analysis showed an acceptable model fit (root-mean square error of approximation=0.058, comparative fit index=0.950, and Tucker-Lewis Index=0.919).
Conclusion
The DIA may suggest in-depth-scale examinations of the factors that influence Internet addiction. We may expect that DIA would be used efficiently for the diagnosing of Internet addiction and further studies for the assessment.
7.Structural Validity of the Diagnostic Interview for Internet Addiction Scale for Clinical Samples in Korean Children and Adolescents: Exploratory and Confirmatory Factor Analysis
Mi-Sun LEE ; Jung-Seok CHOI ; Yong-Sil KWEON ; Soo-Young BHANG
Psychiatry Investigation 2025;22(2):167-174
Objective:
This study aimed to validate the reliability and validity of the Diagnostic Interview for the Internet Addiction Scale (DIA) among Korean children and adolescents in the clinical setting.
Methods:
We collected the clinical data from university hospitals in South Korea and 194 children and adolescents (aged 7–18 years) completed the questionnaire. The content validity was conducted on 10 items of the DIA and an internal consistency test was performed for the verification of reliability.
Results:
Participants on average, aged 13.17 years (standard deviation=2.46), and 75.3% (n=146) were boys. The DIA was highly correlated with the scores of the Korean scale for Internet addiction for adolescents, Young’s Internet Addiction Test, Internet addiction proneness scale for children and adolescents. The overall sampling suitability of the 10-item scale was tested using the Kaiser–Meyer–Olkin, resulting in a high value of 0.861. The DIA revealed a two-factor structure and the Cronbach’s alpha correlation coefficient for the total scale was 0.806. Confirmatory factor analysis showed an acceptable model fit (root-mean square error of approximation=0.058, comparative fit index=0.950, and Tucker-Lewis Index=0.919).
Conclusion
The DIA may suggest in-depth-scale examinations of the factors that influence Internet addiction. We may expect that DIA would be used efficiently for the diagnosing of Internet addiction and further studies for the assessment.
8.Primary Cutaneous CD30+ Lymphoproliferative Disorders in South Korea: A Nationwide, Multi-Center, Retrospective, Clinical, and Prognostic Study
Woo Jin LEE ; Sook Jung YUN ; Joon Min JUNG ; Joo Yeon KO ; Kwang Ho KIM ; Dong Hyun KIM ; Myung Hwa KIM ; You Chan KIM ; Jung Eun KIM ; Chan-Ho NA ; Je-Ho MUN ; Jong Bin PARK ; Ji-Hye PARK ; Hai-Jin PARK ; Dong Hoon SHIN ; Jeonghyun SHIN ; Sang Ho OH ; Seok-Kweon YUN ; Dongyoun LEE ; Seok-Jong LEE ; Seung Ho LEE ; Young Bok LEE ; Soyun CHO ; Sooyeon CHOI ; Jae Eun CHOI ; Mi Woo LEE ; On behalf of The Korean Society of Dermatopathology
Annals of Dermatology 2025;37(2):75-85
Background:
Primary cutaneous CD30+ lymphoproliferative disorders (pcCD30-LPDs) are a diseases with various clinical and prognostic characteristics.
Objective:
Increasing our knowledge of the clinical characteristics of pcCD30-LPDs and identifying potential prognostic variables in an Asian population.
Methods:
Clinicopathological features and survival data of pcCD30-LPD cases obtained from 22 hospitals in South Korea were examined.
Results:
A total of 413 cases of pcCD30-LPDs (lymphomatoid papulosis [LYP], n=237; primary cutaneous anaplastic large cell lymphoma [C-ALCL], n=176) were included. Ninety percent of LYP patients and roughly 50% of C-ALCL patients presented with multiple skin lesions. Both LYP and C-ALCL affected the lower limbs most frequently. Multiplicity and advanced T stage of LYP lesions were associated with a chronic course longer than 6 months. Clinical morphology with patch lesions and elevated serum lactate dehydrogenase were significantly associated with LPDs during follow-up in LYP patients. Extracutaneous involvement of C-ALCL occurred in 13.2% of patients. Lesions larger than 5 cm and increased serum lactate dehydrogenase were associated with a poor prognosis in C-ALCL. The survival of patients with C-ALCL was unaffected by the anatomical locations of skin lesions or other pathological factors.
Conclusion
The multiplicity or size of skin lesions was associated with a chronic course of LYP and survival among patients with C-ALCL.
9.The First Korean Case of MAN1B1-Congenital Disorder of Glycosylation Diagnosed Using Whole-Exome Sequencing and Matrix-Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry
Kyoung Bo KIM ; Gi Su LEE ; Soyoung SHIN ; Dong-Chan KIM ; Donggun SEO ; Hyeongjin KWEON ; Hyein KANG ; Sunggyun PARK ; Do-Hoon KIM ; Namhee RYOO ; Soyoung LEE ; Jung Sook HA
Annals of Laboratory Medicine 2025;45(1):112-115
10.Comparison of Population Attributable Fractions of Cancer Incidence and Mortality Linked to Excess Body Weight in Korea from 2015 to 2030
Youjin HONG ; Jihye AN ; Jeehi JUNG ; Hyeon Sook LEE ; Soseul SUNG ; Sungji MOON ; Inah KIM ; Jung Eun LEE ; Aesun SHIN ; Sun Ha JEE ; Sun-Seog KWEON ; Min-Ho SHIN ; Sangmin PARK ; Seung-Ho RYU ; Sun Young YANG ; Seung Ho CHOI ; Jeongseon KIM ; Sang-Wook YI ; Yoon-Jung CHOI ; Sangjun LEE ; Woojin LIM ; Kyungsik KIM ; Sohee PARK ; Jeong-Soo IM ; Hong Gwan SEO ; Kwang-Pil KO ; Sue K. PARK
Endocrinology and Metabolism 2024;39(6):921-931
Background:
The increasing rate of excess body weight (EBW) in the global population has led to growing health concerns, including cancer-related EBW. We aimed to estimate the population attributable fraction (PAF) of cancer incidence and deaths linked to EBW in Korean individuals from 2015 to 2030 and to compare its value with various body mass index cutoffs.
Methods:
Levin’s formula was used to calculate the PAF; the prevalence rates were computed using the Korean National Health and Nutrition Examination Survey data, while the relative risks of specific cancers related to EBW were estimated based on the results of Korean cohort studies. To account for the 15-year latency period when estimating the PAF in 2020, the prevalence rates from 2015 and attributable cases or deaths from 2020 were used.
Results:
The PAF attributed to EBW was similar for both cancer incidence and deaths using either the World Health Organization (WHO) Asian-Pacific region standard or a modified Asian standard, with the WHO standard yielding the lowest values. In the Korean population, the PAFs of EBW for cancer incidence were 2.96% in men and 3.61% in women, while those for cancer deaths were 0.67% in men and 3.06% in women in 2020. Additionally, PAFs showed a gradual increase in both sexes until 2030.
Conclusion
The EBW continues to have a significant impact on cancer incidence and deaths in Korea. Effective prevention strategies targeting the reduction of this modifiable risk factor can substantially decrease the cancer burden.

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