Journal of Korean Academy of Nursing

Articles in E-pub version are posted online ahead of regular printed publication.

Research Paper

Triglyceride-glucose parameters as predictors of diabetes mellitus incidence in Korean adults: a secondary analysis of the Korean Genome and Epidemiology Study: Yu Jin Park, Miseon Shin, Hyun Seon Jeon, Eun Hee Yang; Received September 5, 2024 Accepted February 6, 2025 Published online April 1, 2025; DOI: https://doi.org/10.4040/jkan.24108 [Epub ahead of print]

Abstract PDF ePub: Purpose
This study aimed to evaluate the association between triglyceride-glucose (TyG)–related parameters and the incidence of diabetes mellitus in Korean adults. Data were obtained from the Korean Genome and Epidemiology Study (KoGES).
Methods
This secondary analysis examined data from 6,816 adults aged 40–69 years who participated in the KoGES from 2001 to 2020. TyG–related parameters, including the TyG index, TyG–body mass index (TyG–BMI), TyG–waist circumference (TyG–WC), and TyG–waist-to-height ratio (TyG–WHtR), were assessed. Cox proportional hazards models were employed to determine the association between these parameters and the incidence of diabetes mellitus, with adjustments made for demographic, lifestyle, and health-related characteristics.
Results
Higher levels of all TyG–related parameters were significantly associated with an increased risk of developing diabetes mellitus. Specifically, participants in the highest quartile of the TyG index, TyG–BMI, TyG–WC, and TyG–WHtR exhibited significantly higher hazard ratios for diabetes mellitus incidence compared with those in the lowest quartile (p<.001 for all). Notably, the TyG index demonstrated a stronger predictive value for diabetes mellitus than traditional measures such as the homeostatic model assessment of insulin resistance.
Conclusion
TyG–related parameters are robust predictors of diabetes mellitus incidence in Korean adults. These findings support the incorporation of TyG–related measures into clinical settings for the early identification and intervention of high-risk populations. Utilizing these parameters for early diagnosis and preventive strategies may significantly enhance diabetes mellitus management.

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Research Article

Development of a Well-Dying Awareness Scale for Middle-Aged adults in Korea: a mixed-methods study: Yu Jin Jung, Eun Joung Choi; Received October 15, 2024 Accepted February 2, 2025 Published online March 28, 2025; DOI: https://doi.org/10.4040/jkan.24121 [Epub ahead of print]

Abstract PDF ePub: Purpose
This study aimed to develop a valid and reliable tool to measure awareness of well-dying among middle-aged adults.
Methods
A mixed-methods approach was adopted, consisting of a qualitative phase to identify the characteristics of well-dying and a quantitative phase to validate the instrument with middle-aged participants. Initially, 76 items were generated through a literature review and in-depth interviews, and these were reduced to 35 items through expert validation. A pilot survey was conducted with 112 individuals aged 40–65, selected via quota sampling from 17 administrative regions in South Korea. Based on the pilot survey results, the instrument was refined to 32 items for the main survey. The main survey included 314 participants recruited through quota sampling in Busan and Ulsan Metropolitan Cities and Gyeongsang Region. Exploratory factor analysis (EFA), confirmatory factor analysis (CFA), and reliability testing were performed to validate the instrument.
Results
The final scale comprised 23 items across six factors. EFA demonstrated an explanatory power of 69.1%, with factor loadings ranging from 0.53 to 0.88. CFA confirmed the instrument’s validity, and reliability was established with a Cronbach’s α of .93.
Conclusion
This instrument is a validated and reliable tool for measuring middle-aged individuals’ awareness of well-dying. It can serve as an effective resource for evaluating and assessing well-dying awareness in the middle-aged population.

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