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Psychometric Properties and Item Evaluation of Korean Version of Night Eating Questionnaire (KNEQ)
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Beomjong Kim, Inja Kim, Heejung Choi
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J Korean Acad Nurs 2016;46(1):109-117. Published online February 29, 2016
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DOI: https://doi.org/10.4040/jkan.2016.46.1.109
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 Abstract
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Purpose
The aim of this study was to develop a Korean version of Night Eating Questionnaire (KNEQ) and test its psychometric properties and evaluate items according to item response theory.
Methods
The 14-item NEQ as a measure of severity of the night eating syndrome was translated into Korean, and then this KNEQ was evaluated. A total of 1171 participants aged 20 to 50 completed the KNEQ on the Internet. To test reliability and validity, Cronbach's alpha, correlation, simple regression, and factor analysis were used. Each item was analyzed according to Rasch-Andrich rating scale model and item difficulty, discrimination, infit/outfit, and point measure correlation were evaluated.
Results
Construct validity was evident. Cronbach's alpha was .78. The items of evening hyperphagia and nocturnal ingestion showed high ability in discriminating people with night eating syndrome, while items of morning anorexia and mood/sleep provided relatively little information. The results of item analysis showed that item2 and item7 needed to be revised to improve the reliability of KNEQ.
Conclusion
KNEQ is an appropriate instrument to measure severity of night eating syndrome with good validity and reliability. However, further studies are needed to find cut-off scores to screen persons with night eating syndrome.
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Citations
Citations to this article as recorded by  - Effects of night eating on oral health characteristics and symptoms of poor oral health in adolescents: a cross-sectional study using the 18th Korea Youth Risk Behavior Survey
Seung–Hee Hong
Korean Journal of Community Nutrition.2025; 30(2): 150. CrossRef - The Night Eating Questionnaire through the lens of the Rasch model
Vojkan Aleksic, Marija Milic, Jelena Dotlic, Biljana Jeremic, Branislav Djerkovic, Ivan Radic, Ana Karanovic, Ljiljana Kulic, Milivoje Galjak, Tatjana Gazibara
Heliyon.2024; 10(11): e31929. CrossRef - The association between night eating syndrome and health-related quality of life in Korean adults: a nationwide study
Woorim Kim, Yeong Jun Ju, Soon Young Lee
Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity.2023;[Epub] CrossRef - The association between episodes of night eating and levels of depression in the general population
Woorim Kim, Yeong Jun Ju, Soon Young Lee
International Journal of Eating Disorders.2022; 55(2): 254. CrossRef - Validity and Reliability of the Korean Version of Assessment of Health Literacy in Breast and Cervical Cancer Screening
Hye Sook Shin, Eunlim Chi, Hae-Ra Han
Journal of Korean Academy of Nursing.2021; 51(6): 769. CrossRef - Factors Affecting the Quality of Sleep in Young Adults
Ae Kyung Chang, Kyung Hye Lee, Chong Mi Chang, Jin Yi Choi
Journal of Korean Academy of Community Health Nursing.2021; 32(4): 497. CrossRef - Psychometric properties and gender invariance of the simplified Chinese version of Night Eating Questionnaire in a large sample of mainland Chinese college students
Jinbo He, Feng Ji, Xiaoya Zhang, Xitao Fan
Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity.2019; 24(1): 57. CrossRef - Night Eating Habits of High School Students by Sex in Gyeonggi Region
Hee Jin Kim, Yeong Kim
Journal of the East Asian Society of Dietary Life.2019; 29(1): 56. CrossRef - Lived Experiences toward Harmful Work Environment among Clinical Nurses: Phenomenological Approach
Yeong Ju Ko, Gwi-Ryung Son Hong
Journal of Korean Academy of Nursing Administration.2018; 24(3): 173. CrossRef - Effects of Psychiatric Nurses' Secondary Traumatic Stress and Compassion Satisfaction on Burnout: The Moderating Effect of Social Support
Hyun Jung Lee, Ji Young Kim
Journal of Korean Academy of Psychiatric and Mental Health Nursing.2016; 25(4): 399. CrossRef
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Psychometric Properties of Korean Minimal Insomnia Screening Scale
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Inja Kim, Sungjae Kim, Beomjong Kim, Heejung Choi
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J Korean Acad Nurs 2012;42(6):853-860. Published online December 31, 2012
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DOI: https://doi.org/10.4040/jkan.2012.42.6.853
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Abstract
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Purpose
The purposes of this study were to develop a Minimal Insomnia Screening Scale for Korean adults (KMISS) and to evaluate psychometric properties and discriminant ability of the developed scale.
Methods
Data from a cross-sectional survey of 959 Korean adults were analyzed to develop the summated insomnia scale, which was evaluated in terms of reliability, validity, and discriminant ability by receiver operating characteristics (ROC) curve analysis.
Results
Item-total correlations ranged between .71-.79 and Cronbach's α was .87. Adequate validity was also evident. ROC-curve analysis showed area under ROC was .87 (95% CI: .84-.90) and identified the optimal cut-off score as ≤ 20 (sensitivity, .83; specificity, .75; positive/negative predictive values, .40/.95). Using this cut-off score, the prevalence of insomnia in the study sample was 26.3% and most frequent among women and the oldest group.
Conclusion
Data supports the psychometric properties of KMISS as a possible insomnia screening instrument. KMISS also shows promise as a convenient ultra-short screening measure of insomnia for adults and epidemiological studies in community health care settings.
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Citations
Citations to this article as recorded by - Assessing Sleep Quality Using Mobile EMAs: Opportunities, Practical Consideration, and Challenges
Jiyoun Lim, Chi Yoon Jeong, Jeong Muk Lim, Seungeun Chung, Gague Kim, Kyoung Ju Noh, Hyuntae Jeong
IEEE Access.2022; 10: 2063. CrossRef - Factors that Influence Sleep among Residents in Long-Term Care Facilities
Da Eun Kim, Ju Young Yoon
International Journal of Environmental Research and Public Health.2020; 17(6): 1889. CrossRef - Psychometric Properties of the Korean Versions of Three Sleep Evaluation Questionnaires
Heejung Choi, Sungjae Kim, Beomjong Kim, Inja Kim
Clinical Nursing Research.2015; 24(5): 526. CrossRef - Prevalence and Risk Factors of Sleep Disturbance in Community Dwelling Adults in Korea
Heejung Choi, Beomjong Kim, Inja Kim
Korean Journal of Adult Nursing.2013; 25(2): 183. CrossRef
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