Journal of Korean Academy of Nursing

Research Paper

Internal Structure of the Health-Related Quality of Life Instrument with 8-Items in a Nationally Representative Population: Lee, Eun-Hyun; J Korean Acad Nurs 2023;53(3):359-369. Published online June 30, 2023; DOI: https://doi.org/10.4040/jkan.23007

Purpose
This study evaluated the internal structure (structural validity, internal consistency, and measurement invariance) of the Health-Related Quality of Life Instrument with Eight Items (HINT-8), developed to measure Korean people’s health-related quality of life.
Methods
A secondary analysis was conducted using data from the Korea National Health and Nutrition Examination Survey, involving 6,167 adults aged over 18 years. The structural validity of the HINT-8 was assessed using exploratory graph analysis and confirmatory factor analysis. Internal consistency and measurement invariance were analyzed using McDonald’s omega (ω) and multigroup confirmatory factor analysis, respectively.
Results
The HINT-8 had a single dimension and good internal consistency (ω = .804). The one-dimension HINT-8 ex-hibited matric invariance but not scalar invariance across sociodemographic groups (sex, age, education, and marital status). Further, it exhibited scalar or partial scalar invariance across medical condition groups (hypertension, diabetes, depressive symptoms, and cancer).
Conclusion
The study finds that the HINT-8 demonstrated satisfactory structural validity and internal consistency, indicating its suitability for practice and research. However, the HINT-8 scores cannot be compared across different groups regarding sex, age, education, and marital status, as the interpretation varies within each sociodemographic category. Conversely, interpretation of the HINT-8 is consistent for individuals with and without hypertension, diabetes, depressive symptom, and cancer.

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Original Articles

A Study on Health-related Quality of Life, Smoking Knowledge, Smoking Attitude, and Smoking Cessation Intention in Male Smokers: Myoung Sook Kim; Journal of Korean Academy of Nursing 2005;35(2):344-352. Published online March 28, 2017; DOI: https://doi.org/10.4040/jkan.2005.35.2.344

Abstract PDF

Purpose

This study was conducted to examine the relationship among health-related quality of life, smoking knowledge, smoking attitude, and smoking cessation intention in male smokers.

Method

The subjects were 259 male smokers in J city. The data was collected using structured questionnaires from Nov. to Dec. of 2003. The data was analyzed by the SPSS (ver.10.0)computer program, and it included descriptive statistics, t-test, ANOVA, the Pearson correlation coefficient, and Stepwise Multiple Regression.

Result

The smoking cessation intention had a significant positive correlation among health-related quality of life (r=.159), smoking knowledge (r=.161), and smoking attitude (r=.127). These variables account for 26.8% of smoking cessation intention.

Conclusion

These results suggested that the smoking cessation program to enhance the health-related quality of life, smoking knowledge, and smoking cessation intention and to increase a negative influence on smoking attitude need to be developed. Therefore, these findings give useful information for constructing a smoking cessation program in male smokers.

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Korean Journal of Adult Nursing.2012; 24(2): 160. CrossRef
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Journal of Korean Academy of Child Health Nursing.2009; 15(4): 367. CrossRef

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Computerized Measurement for Asthma-Specific Quality of Life: Comparison with a Conventional Paper-and-Pencil Questionnaire: Eun-Hyun Lee; J Korean Acad Nurs 2009;39(6):781-787. Published online December 31, 2009; DOI: https://doi.org/10.4040/jkan.2009.39.6.781

Abstract PDF

Purpose

The purpose of this study was to evaluate a computerized touch-screen version of the asthma-specific quality-of-life (cA-QOL) questionnaire against the conventional paper-and-pencil version (pA-QOL) for equivalence, time for completion, user preference, and ease of use.

Methods

A total of 261 patients were recruited. A randomized cross-over design was used. Patients in group A completed the cA-QOL first while waiting to see a physician, and completed the pA-QOL version after seeing the physician. Patients allocated in group B completed these questionnaires in the reverse order. The patients were asked questions about user preference and ease of use of the cA-QOL. The time taken to complete both versions of the questionnaire was measured.

Results

Weighted kappa coefficients of all items showed almost perfect agreement. The time required to complete the pA-QOL is faster than the time for cA-QOL. The patients who preferred the cA-QOL were 37.5%, while those who preferred the pA-QOL were 29.9%. Most patients reported that the cA-QOL was "easy" or "very easy" to complete.

Conclusion

The cA-QOL is the computerized equivalent of the pA-QOL. The findings herein demonstrate that the cA-QOL can be helpful to nurses in busy practices for assessing, collecting, and evaluating their patients' health related quality of life.

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Clinical and Experimental Dermatology.2012; 37(7): 722. CrossRef

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Development and Psychometric Evaluation of a Quality of Life Scale for Korean Patients with Cancer (C-QOL): Eun Hyun Lee; Journal of Korean Academy of Nursing 2007;37(3):324-333. Published online April 30, 2007; DOI: https://doi.org/10.4040/jkan.2007.37.3.324

Abstract PDF

Purpose

The purpose of this study was to develop and evaluate a quality of life scale for Korean patients with cancer (C-QOL).

Methods

The C-QOL was developed and validated as follows; item generation, pilot study, and psychometric tests. A total of 337 patients diagnosed with stomach, liver, lung, colon, breast, or cervix cancer were recruited. The patients were asked to complete the preliminary questionnaire comprising the content-validated items, the SF-36, and the ECOG performance status. The obtained data was analyzed using descriptive statistics, factor analysis, multidimensional scaling (MDS), multitrait/multi-item matrix, ANOVA, t-test, and Cronbach's alpha.

Results

Preliminarily twenty-six items were generated through content validity and a pilot study. Factor analysis and MDS extracted a total of 21 items with a 5-point Likert-type scale (C-QOL). The C-QOL included five subscales: physical status (6 items), emotional status (6 items), social function (3 items), concern status (2 items), and coping function (4 items). The C-QOL established content validity, construct validity, item convergent and discriminant validity, known-groups validity, reliability, and sensitivity.

Conclusion

The Newly developed C-QOL is an easily applicable instrument which established psychometric properties and reflected Korean culture. It is recommended for further study to examine the responsiveness of the C-QOL using a longitudinal research design.

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