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Hyekyeong Kim 3 Articles
Composition of Metabolic Syndrome Among Korean Adults in a Lifestyle Modification Intervention
Nan-He Yoon, Seunghyun Yoo, Hyekyeong Kim
Osong Public Health Res Perspect. 2014;5(6):370-377.   Published online December 31, 2014
DOI: https://doi.org/10.1016/j.phrp.2014.10.005
  • 1,245 View
  • 25 Download
  • 5 Citations
AbstractAbstract PDF
Objectives
The aim of this study was to examine the composition of metabolic syndrome (MetS) components among middle-aged and older Koreans.
Methods
A total of 263 participants (age 40 + years) in a lifestyle modification intervention program who met the MetS definition of National Cholesterol Education Program (NCEP) – Adult Treatment Panel (ATP) III criteria were included in the study. The frequent patterns and clustering of MetS components were investigated. Clustering of changes in individual components, through a lifestyle modification intervention, was also identified. All characteristics were stratified by and compared between sexes.
Results
Approximately 80% of the participants had three of five MetS risk factors at baseline. The prevalence of each risk differed by sex. MetS composition patterns that do not include low high-density lipoprotein (HDL) cholesterol were more noticeable in men because of the low prevalence of low HDL cholesterol. In women, with higher prevalence of low HDL cholesterol, more patterns that include low HDL cholesterol were observed. The most common combination was “elevated blood pressure + abdominal obesity + impaired fasting glucose” in both sexes. Clustering of MetS risks was also found with most of the frequent combinations of MetS components. Through the lifestyle intervention, the greatest change was observed in HDL cholesterol among men and blood pressure among women. Triglycerides and HDL cholesterol were likely to be improved with blood pressure in men and abdominal obesity in women.
Conclusion
Differences in the prevalent patterns of MetS compositions were observed prior to and after the intervention, along with during-intervention changes. It is recommended that intervention strategies and guidelines for MetS management consider the MetS composition patterns for effectiveness.
Suicidal Ideation and its Correlates among Juvenile Delinquents in South Korea
Suyoung Kim, Hyekyeong Kim, Dong-Chul Seo, Dong Hwan Lee, Han-Ik Cho
Osong Public Health Res Perspect. 2014;5(5):258-265.   Published online October 31, 2014
DOI: https://doi.org/10.1016/j.phrp.2014.08.007
  • 1,368 View
  • 20 Download
  • 5 Citations
AbstractAbstract PDF
Objectives
This study investigated suicidal ideation and its correlates among juvenile delinquents in South Korea.
Methods
Suicidal ideation, psychological health status, and health-related behaviors were assessed using a self-administered questionnaire in 1682 juvenile offenders aged between 15 and 18 years in 2012.
Results
The prevalence of suicidal ideation in juvenile delinquents was 15.2%. Girls were more likely to report suicidal thoughts than boys (30.3% vs. 12.7%). Suicidal ideation was more common among adolescents who were not living with their family prior to entering detention centers (22.6% vs. 13.2%) than their counterparts. The likelihood of suicidal ideation was significantly associated with problem drinking [odds ratio (OR) = 1.84], psychedelic drug use (OR = 2.04), feeling unhappy (OR = 3.05), feeling sad or depressed (OR = 13.37) after controlling for sociodemographic factors, other health behaviors and perceptions.
Conclusion
The present study provides evidence for an association between suicidal ideation and psychological health and health risk behaviors among juvenile delinquents. It also highlights the importance of mental health and behavioral interventions for this population to prevent suicidality.
Improvements in the Metabolic Syndrome and Stages of Change for Lifestyle Behaviors in Korean Older Adults
Seunghyun Yoo, Hyekyeong Kim, Han-Ik Cho
Osong Public Health Res Perspect. 2012;3(2):85-93.   Published online June 30, 2012
DOI: https://doi.org/10.1016/j.phrp.2012.04.007
  • 1,268 View
  • 15 Download
  • 15 Citations
AbstractAbstract PDF
Objectives
This study aims to examine the effectiveness of a 6-month lifestyle modification program on the improvement in metabolic syndrome (MetS) status and in stages of change for lifestyle behaviors associated with MetS among Korean older adults.
Methods
A lifestyle modification program was developed based on the transtheoretical model. The program consisted of health counseling, education classes, a self-management handbook, newsletters and a health diary. Older adults aged ≥60 (n = 480) with MetS were randomly assigned to the intervention group (IG) or the comparison group (CG). The IG received a comprehensive 6-month lifestyle modification intervention, while the CG received minimal information on MetS and lifestyle modification. Health examination and selfadministered survey were conducted before and after the intervention to determine the effectiveness of the program.
Results
After the intervention, the prevalence of MetS decreased to 38.1% in the IG and 52.4% in the CG (p = 0.046). The IG improved abdominal obesity (p = 0.016), blood pressure (p = 0.030), and triglyceride (p = 0.005) more than the CG did. The IG demonstrated significant improvements in the behavioral stages for portion control (p = 0.021), balanced diet (p < 0.001) and adequate intake of fruits and vegetables (p = 0.012). The IG reduced the prevalence of abdominal obesity (OR = 2.34) and improved MetS status (OR = 1.79) better than the CG. The IG were more likely to advance from preaction stages at baseline to action stage at post-intervention for portion control (OR = 3.29) and adequate intake of fruits and vegetables (OR = 2.06).
Conclusion
Lifestyle modification can improve the MetS status and behavioral stages in older adults.

PHRP : Osong Public Health and Research Perspectives