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Validation of self-reported morbidities in the Korean Atomic Bomb Survivor Cohort
Ansun Jeong, Somin Jeon, Seong-geun Moon, Mi Kyung Kim, Inah Kim, Yu-Mi Kim, Boyoung Park
Epidemiol Health. 2024;46:e2024058.   Published online June 28, 2024
DOI: https://doi.org/10.4178/epih.e2024058
  • 2,152 View
  • 50 Download
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study aimed to evaluate the agreement of disease status collected through a survey of the Korean Atomic Bomb Survivor Cohort (K-ABC), compared with medical claim records from the Korean National Health Insurance Service (NHIS) database and the Korean Central Cancer Registry (KCCR).
METHODS
Data on the lifetime physician-diagnosed morbidities of 1,215 K-ABC participants were collected through an interviewer-administered questionnaire between 2020 and 2022. Survey data were linked to the NHIS and KCCR databases. Eleven diseases were included for validation. We evaluated the following indicators: sensitivity, specificity, positive predictive value, negative predictive value, accuracy, the area under the curve, and the kappa coefficient.
RESULTS
The mean±standard deviation age was 62.1±18.7 years, and 42.6% of the participants were aged ≥70 years. Hypertension and cataracts showed the highest prevalence rates (33.8 and 28.8%, respectively). Hypertension, diabetes, and cancer demonstrated high sensitivity (>0.8) and specificity (>0.9), whereas diabetes, cancer, myocardial infarction, angina pectoris, and asthma exhibited high accuracy (>0.9). In contrast, arthritis, allergic rhinitis, and asthma showed low sensitivity (<0.4) and kappa values (<0.3). In the participants aged ≥70 years, the kappa value was ≥0.4 for all diseases except arthritis, allergic rhinitis, and asthma.
CONCLUSIONS
The results from this initial analysis showed relatively high agreement between the survey and NHIS/KCCR databases, especially for hypertension, diabetes, and cancer. Our findings suggest that the information on morbidities collected through the questionnaires in this cohort was valid for both younger and older individuals.
Summary
Korean summary
한국인 원폭피해자 코호트에서 설문으로 조사한 질병 과거력과 국민건강보험공단/암등록자료와의 일치도는 높은 편이었으며, 특히 고혈압, 당뇨, 암에서 높았다. 설문으로 조사한 질병 과거력은 젊은 대상자와 고령 대상자 모두에서 높았다.
Key Message
High agreement between the survey and NHIS/KCCR databases, especially for hypertension, diabetes, and cancer in the Korean Atomic Bomb Survivor Cohort was observed. The information on morbidities collected through the questionnaires in this cohort was valid for both younger and older individuals.

Citations

Citations to this article as recorded by  
  • Validation of self-reported cancer diagnoses in the Korean Atomic Bomb Survivor Cohort study
    Hamin Lee, Jin-Wu Nam, Mi Kyung Kim, Inah Kim, Yu-Mi Kim, Boyoung Park
    Cancer Epidemiology.2025; 97: 102817.     CrossRef
Original Articles
Differences in accuracy of height, weight, and body mass index between self-reported and measured using the 2018 Korea Community Health Survey data
Yoonsil Ko, Sunhye Choi, Jisoo Won, Yeon-Kyeng Lee, Dong-Hyun Kim, Seon Kui Lee
Epidemiol Health. 2022;44:e2022024.   Published online February 19, 2022
DOI: https://doi.org/10.4178/epih.e2022024
  • 15,181 View
  • 404 Download
  • 12 Web of Science
  • 10 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Abstract
OBJECTIVES
This study aimed to determine an effective survey method for the accurate calculation of obesity prevalence by comparing the self-reported and measured height, weight, and body mass index (BMI) using the 2018 Korea Community Healthy Survey (CHS) data.
METHODS
Raw data from the 2018 CHS were used to analyze the differences, correlation, and agreement between self-reported and measured height, weight, and BMI.
RESULTS
The self-reported height was over-reported than the measured height (0.59 cm greater for men and 0.71 cm greater for women), while the self-reported weight was under-reported than the measured weight (0.55 kg less for men and 0.67 kg less for women). Subsequently, the self-reported BMI was under-estimated (0.35 kg/m<sup>2</sup> lower for men and 0.49 kg/m<sup>2</sup> lower for women) compared with the measured BMI. The kappa statistic and agreement between measured and self-reported values per BMI category (underweight, normal, overweight, and obesity) were 0.82 and 79.6%, respectively.
CONCLUSIONS
The prevalence of obesity should be calculated using the measured values provided in the CHS in order to promote local health projects based on accurate evidence.
Summary
Korean summary
본 연구는 2018년 지역사회건강조사 원시자료를 이용하여, 자가보고된 신장, 체중, 그리고 체질량지수 값과 실제 측정한 값 간에 차이를 분석하고 상관성과 일치도를 확인하고자 하였으며, 확인결과 자가보고값 체질량지수는 측정값보다 과소측정(남자의 경우 측정값보다 자가보고값이 0.35kg/m2 낮게, 여자는 0.49kg/m2 낮게 측정)된것을 확인하였다.
Key Message
This study aimed to determine an effective survey method for the accurate calculation of obesity prevalence by comparing the self-reported and measured height, weight, and body mass index (BMI) using the 2018 Community Healthy Survey (CHS) data.

Citations

Citations to this article as recorded by  
  • Assessing the relation between systemic lupus erythematosus and metabolic syndrome in Syria: a cross-sectional study
    Noura Mallouhi, Ahmad Nabil Alhouri, Naram Khalayli, Hasan Nabil Alhouri, Mayssoun Kudsi, Younes Kabalan
    BMC Rheumatology.2025;[Epub]     CrossRef
  • Consistency between self-reported disease diagnosis and clinical assessment and under-reporting for chronic conditions: data from a community-based study in Xi’an, China
    Haobiao Liu, Yanru Zhao, Lichun Qiao, Congying Yang, Ying Yang, Tianxiao Zhang, Qian Wu, Jing Han
    Frontiers in Public Health.2024;[Epub]     CrossRef
  • A cultural models approach to understanding body fatness perceptions and disordered eating in young South Korean men
    Lawrence T. Monocello, Jason M. Lavender, Lauren A. Fowler, Ellen E. Fitzsimmons‐Craft, Denise E. Wilfley
    International Journal of Eating Disorders.2024; 57(10): 2074.     CrossRef
  • 고령 여성을 위한 보행 보조차 치수 개선 방안
    진희 박, 길호 정
    Journal of the Korean Society of Clothing and Textiles.2024; 48(1): 108.     CrossRef
  • Validity of Measured vs. Self-Reported Weight and Height and Practical Considerations for Enhancing Reliability in Clinical and Epidemiological Studies: A Systematic Review
    Khadijah Fayyaz, Mo’ath F. Bataineh, Habiba I. Ali, Ali M. Al-Nawaiseh, Rami H. Al-Rifai’, Hafiz M. Shahbaz
    Nutrients.2024; 16(11): 1704.     CrossRef
  • Accuracy of self-reported height, weight, and waist circumference in poor, rural areas of China
    Hongjuan Cao, Zhuang Zhang, Junqing Zhang, Quanzhi Wang, Liang Yu, Shaoyu Xie, Li-Bing Zhang, Hao Fu, Kaichun Li, Tianyi Shen, Xiude Li
    PeerJ.2024; 12: e18525.     CrossRef
  • Comparison of self-reported and measured height and weight in patients with psoriasis
    Simona Mastroeni, Francesca Sampogna, Claudia Uras, Mara De Angelis, Roberta Fusari, Nidia Melo Salcedo, Sabatino Pallotta, Damiano Abeni
    Archives of Dermatological Research.2023; 315(7): 2023.     CrossRef
  • Accuracy of Assessing Weight Status in Adults by Structured Observation
    Tânia Jorge, Sofia Sousa, Isabel do Carmo, Nuno Lunet, Patrícia Padrão
    Applied Sciences.2023; 13(14): 8185.     CrossRef
  • Changes in health behaviors and obesity of Korean adolescents before and during the COVID-19 pandemic: a special report using the Korea Youth Risk Behavior Survey
    Chang-Mo Oh, Yangha Kim, Jieun Yang, Sunhye Choi, Kyungwon Oh
    Epidemiology and Health.2023; 45: e2023018.     CrossRef
  • Tobacco consumption, sales, and output as monitoring indicators in the era of the tobacco endgame: a Korean example
    Hana Kim, Hee-kyoung Nam, Heewon Kang
    Epidemiology and Health.2023; 45: e2023030.     CrossRef
Effect change of obesity on diabetes depending on measurement: self-reported body mass index from 2012 Community Health Survey vs. directly measured from the Korea National Health and Nutrition Examination Survey
Kyuhyun Yoon, Kyungduk Min, Heeran Chun, Soong-Nang Jang, Sung-il Cho
Epidemiol Health. 2015;37:e2015001.   Published online January 6, 2015
DOI: https://doi.org/10.4178/epih/e2015001
  • 21,345 View
  • 173 Download
  • 2 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDF
Abstract
OBJECTIVES
Obesity is a well-recognized risk factor for type 2 diabetes mellitus (DM) among young and middle-aged adults in South Korea. To elaborate on the association between obesity and DM, subjective data from self-reporting survey or objective data from health examination is generally used. This study was conducted to validate the change of association from using these different measurements.
METHODS
Community Health Survey data and Korea National Health and Nutrition Examination Survey data, as subjective and objective data respectively, were used. Population, resident in Seoul and over 45 aged, were selected for the study and the association between obesity and DM were defined by using multivariate logistic regression model.
RESULTS
In subjective data, DM prevalence was 12.4% (male, 14.7; female, 10.6) and obesity prevalence was 26.0% (male, 29.2; female, 23.4). Whereas, in objective data, DM prevalence was 15.0% (male, 17.8; female, 12.9), and obese population was 32.4% (male, 34.4; female, 30.8). Based on the effect of obesity on DM prevalence from each data, using objective data increased the impact of obesity. Difference of relative risk of obesity between from subjective data and from objective was bigger in female than male and statistically significant.
CONCLUSIONS
The differences of association pattern between subjective and objective data were found, due to higher obesity prevalence in objective data, and discrepancies of socio-economic status. These discrepancies could be inevitable Therefore we have to face them proactively, and understand the different aspect of various variables from different measurement.
Summary
Korean summary
지역사회건강조사는 각 지역의 건강관련 지표들을 제시하기 위한 기본 목적을 가지고 있으나, 자가보고를 통한 자료수집에 의존하고 있다는 면에서 연구결과의 신뢰성에 한계를 가지고 있다고 인식되어왔다. 본 연구는 실측자료와 자가보고자료에서의 분석결과차이를 파악함으로써, 이러한 인식에 대한 직접적 평가와 더불어, 자가보고자료에 대한 활용도 증진에 기여하고자 하였다. 연구 결과, 비만의 당뇨병에 대한 영향은 실측자료보다 자가보고자료에서 더 작아졌고, 이러한 차이는 남성에서보다 여성에서 더 크게 나타났다.

Citations

Citations to this article as recorded by  
  • Comparison of estimates and time series stability of Korea Community Health Survey and Korea National Health and Nutrition Examination Survey
    Ji Son Ki, Ho Kim
    Epidemiology and Health.2019; 41: e2019012.     CrossRef
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