1.Differences of nutritional intake habits and Dietary Inflammatory Index score between occupational classifications in the Korean working population
Seung Hee WOO ; Yangwoo KIM ; Kyungho JU ; Juhyeong KIM ; Jaechul SONG ; Soo-Jin LEE ; Jeehee MIN
Annals of Occupational and Environmental Medicine 2024;36(1):e5-
Human nutrient intake is closely related to the conditions of their workplace. This study used data from the Korean National Health and Nutritional Examination Survey (KNHANES) conducted between 2016 and 2020. The study population comprised individuals aged 19 to 65 years who were engaged in paid work, excluding soldiers (total = 12,201, male = 5,872, female = 6,329). The primary outcome of interest was the Dietary Inflammatory Index (DII) score, which was calculated using dietary intake data. Generalized linear models were used for statistical analyses. Pink-collar workers had higher DII scores, indicating a potentially higher inflammatory diet than white-collar workers (mean: 2.18 vs. 1.89, DII scores and dietary patterns differed among occupational groups and genders.
2.The impact of long working hours on daily sodium intake
Kyungho JU ; Yangwoo KIM ; Seung Hee WOO ; Juhyeong KIM ; Inah KIM ; Jaechul SONG ; Soo-Jin LEE ; Jeehee MIN
Annals of Occupational and Environmental Medicine 2024;36(1):e9-
Long working hours are associated with an increased risk of cardiovascular disease, yet the underlying mechanism(s) remain unclear. The study examines how occupational factors like working hours, shift work, and employment status correlate with dietary choices and sodium intake, impacting hypertension risk. This study used data from the Korea National Health and Nutrition Examination Survey conducted between 2013 and 2020. The dataset included 8,471 respondents, all of whom were wage workers aged 20 or older and reported working at least 36 hours per week. Individuals who have been previously diagnosed with or are currently diagnosed with hypertension, diabetes, or dyslipidemia were excluded. The average daily sodium intake was assessed via a 24-hour dietary recall method. Average weekly working hours were categorized into 3 groups: 36–40 hours, 41–52 hours, and over 52 hours. Multiple logistic regression models were used. Study findings revealed that 83.7% of participants exceeded the recommended daily sodium intake of 2 g set by the World Health Organization. After adjusting for confounding factors, a positive correlation was observed between average working hours and daily sodium intake. Among males, statistical significance was found in the group with average weekly working hours of 41–52 hours (prevalence ratio [PR]: 1.17; 95% confidence interval [CI]: 1.05–1.30) and the group exceeding 52 hours (PR: 1.22; 95% CI: 1.09–1.38) when comparing the fourth quartile of daily sodium intake to the combined quartiles of Q1, Q2, and Q3. Among females, no significance was noted. Long working hours were associated with increased sodium intake, primarily among male workers. This connection is likely attributed to having less time for home-cooked meals, resulting in higher fast food consumption and dining out. A workplace intervention promoting healthy eating and reducing stress is essential to lower sodium consumption and mitigate hypertension risk.
3.Differences of nutritional intake habits and Dietary Inflammatory Index score between occupational classifications in the Korean working population
Seung Hee WOO ; Yangwoo KIM ; Kyungho JU ; Juhyeong KIM ; Jaechul SONG ; Soo-Jin LEE ; Jeehee MIN
Annals of Occupational and Environmental Medicine 2024;36(1):e5-
Human nutrient intake is closely related to the conditions of their workplace. This study used data from the Korean National Health and Nutritional Examination Survey (KNHANES) conducted between 2016 and 2020. The study population comprised individuals aged 19 to 65 years who were engaged in paid work, excluding soldiers (total = 12,201, male = 5,872, female = 6,329). The primary outcome of interest was the Dietary Inflammatory Index (DII) score, which was calculated using dietary intake data. Generalized linear models were used for statistical analyses. Pink-collar workers had higher DII scores, indicating a potentially higher inflammatory diet than white-collar workers (mean: 2.18 vs. 1.89, DII scores and dietary patterns differed among occupational groups and genders.
4.The impact of long working hours on daily sodium intake
Kyungho JU ; Yangwoo KIM ; Seung Hee WOO ; Juhyeong KIM ; Inah KIM ; Jaechul SONG ; Soo-Jin LEE ; Jeehee MIN
Annals of Occupational and Environmental Medicine 2024;36(1):e9-
Long working hours are associated with an increased risk of cardiovascular disease, yet the underlying mechanism(s) remain unclear. The study examines how occupational factors like working hours, shift work, and employment status correlate with dietary choices and sodium intake, impacting hypertension risk. This study used data from the Korea National Health and Nutrition Examination Survey conducted between 2013 and 2020. The dataset included 8,471 respondents, all of whom were wage workers aged 20 or older and reported working at least 36 hours per week. Individuals who have been previously diagnosed with or are currently diagnosed with hypertension, diabetes, or dyslipidemia were excluded. The average daily sodium intake was assessed via a 24-hour dietary recall method. Average weekly working hours were categorized into 3 groups: 36–40 hours, 41–52 hours, and over 52 hours. Multiple logistic regression models were used. Study findings revealed that 83.7% of participants exceeded the recommended daily sodium intake of 2 g set by the World Health Organization. After adjusting for confounding factors, a positive correlation was observed between average working hours and daily sodium intake. Among males, statistical significance was found in the group with average weekly working hours of 41–52 hours (prevalence ratio [PR]: 1.17; 95% confidence interval [CI]: 1.05–1.30) and the group exceeding 52 hours (PR: 1.22; 95% CI: 1.09–1.38) when comparing the fourth quartile of daily sodium intake to the combined quartiles of Q1, Q2, and Q3. Among females, no significance was noted. Long working hours were associated with increased sodium intake, primarily among male workers. This connection is likely attributed to having less time for home-cooked meals, resulting in higher fast food consumption and dining out. A workplace intervention promoting healthy eating and reducing stress is essential to lower sodium consumption and mitigate hypertension risk.
5.Differences of nutritional intake habits and Dietary Inflammatory Index score between occupational classifications in the Korean working population
Seung Hee WOO ; Yangwoo KIM ; Kyungho JU ; Juhyeong KIM ; Jaechul SONG ; Soo-Jin LEE ; Jeehee MIN
Annals of Occupational and Environmental Medicine 2024;36(1):e5-
Human nutrient intake is closely related to the conditions of their workplace. This study used data from the Korean National Health and Nutritional Examination Survey (KNHANES) conducted between 2016 and 2020. The study population comprised individuals aged 19 to 65 years who were engaged in paid work, excluding soldiers (total = 12,201, male = 5,872, female = 6,329). The primary outcome of interest was the Dietary Inflammatory Index (DII) score, which was calculated using dietary intake data. Generalized linear models were used for statistical analyses. Pink-collar workers had higher DII scores, indicating a potentially higher inflammatory diet than white-collar workers (mean: 2.18 vs. 1.89, DII scores and dietary patterns differed among occupational groups and genders.
6.The impact of long working hours on daily sodium intake
Kyungho JU ; Yangwoo KIM ; Seung Hee WOO ; Juhyeong KIM ; Inah KIM ; Jaechul SONG ; Soo-Jin LEE ; Jeehee MIN
Annals of Occupational and Environmental Medicine 2024;36(1):e9-
Long working hours are associated with an increased risk of cardiovascular disease, yet the underlying mechanism(s) remain unclear. The study examines how occupational factors like working hours, shift work, and employment status correlate with dietary choices and sodium intake, impacting hypertension risk. This study used data from the Korea National Health and Nutrition Examination Survey conducted between 2013 and 2020. The dataset included 8,471 respondents, all of whom were wage workers aged 20 or older and reported working at least 36 hours per week. Individuals who have been previously diagnosed with or are currently diagnosed with hypertension, diabetes, or dyslipidemia were excluded. The average daily sodium intake was assessed via a 24-hour dietary recall method. Average weekly working hours were categorized into 3 groups: 36–40 hours, 41–52 hours, and over 52 hours. Multiple logistic regression models were used. Study findings revealed that 83.7% of participants exceeded the recommended daily sodium intake of 2 g set by the World Health Organization. After adjusting for confounding factors, a positive correlation was observed between average working hours and daily sodium intake. Among males, statistical significance was found in the group with average weekly working hours of 41–52 hours (prevalence ratio [PR]: 1.17; 95% confidence interval [CI]: 1.05–1.30) and the group exceeding 52 hours (PR: 1.22; 95% CI: 1.09–1.38) when comparing the fourth quartile of daily sodium intake to the combined quartiles of Q1, Q2, and Q3. Among females, no significance was noted. Long working hours were associated with increased sodium intake, primarily among male workers. This connection is likely attributed to having less time for home-cooked meals, resulting in higher fast food consumption and dining out. A workplace intervention promoting healthy eating and reducing stress is essential to lower sodium consumption and mitigate hypertension risk.
7.Genome-wide Association Study of Susceptibility Loci for Self-Reported Atopic Dermatitis and Allergic Rhinitis in the Korean Population
Jee Woo KIM ; Min Jae KIM ; Kyungho PAIK ; Bo Ri KIM ; Chong Won CHOI ; Jung-Im NA
Annals of Dermatology 2024;36(2):74-80
Background:
Allergic diseases include atopic dermatitis (AD) and allergic rhinitis (AR), which are chronic, relapsing inflammatory disorders of the skin or mucosa that usually accompany immunoglobulin E-mediated immune responses. They are complex, multifactorial diseases with an etiology involving interactions between genetic and environmental factors.
Objective:
We performed a genome-wide association study (GWAS) to identify single nucleotide polymorphisms (SNPs) associated with allergic diseases in the Korean population.
Methods:
A total of 8,840 samples were obtained from the Korean Association Resource Consortium dataset of the Korean Genome and Epidemiology Study Ansan-Anseong cohort. The allergic disease phenotype was determined based on self-reported physician diagnoses. After quality control, 8,823 subjects with 877,242 variants remained for the final analysis. The GWAS was performed using logistic regression analysis in an additive model adjusted for age and sex.
Results:
A total of 636 patients with allergic disease and 8,176 controls were analyzed. Three SNPs were associated with allergic disease at a level of genome-wide suggestive significance (p<1.0×10 −5 ) in the Korean population: rs7275360, located in neural cell adhesion molecule 2; rs698195; and rs3750552, located in family with sequence similarity 189, member A2. These polymorphisms were on chromosomes 21q21.1, 7q31.1, and 9q21.12, respectively.
Conclusion
We identified 3 novel SNPs significantly associated with allergic diseases in the Korean population. Further research is required to confirm the association between these novel SNPs and allergic disease in the Korean population and in other ethnicities.
8.Chronic Venous Ulcer Misdiagnosed as Pyoderma Gangrenosum
Kyungho PAIK ; Minjae KIM ; Jee Woo KIM ; Bo Ri KIM
Korean Journal of Dermatology 2023;61(7):458-460
9.First snapshot on behavioral characteristics and related factors of patients with chronic kidney disease in SouthKorea during the COVID-19 pandemic (June to October 2020)
Yaerim KIM ; Inae LEE ; Jeonghwan LEE ; Jae Yoon PARK ; Jung Nam AN ; Kyung Don YOO ; Yong Chul KIM ; Woo Yeong PARK ; Kyubok JIN ; Younglim KHO ; Myoungsoon YOU ; Dong Ki KIM ; Kyungho CHOI ; Jung Pyo LEE
Kidney Research and Clinical Practice 2022;41(2):219-230
The recent novel coronavirus disease 2019 (COVID-19) pandemic has led to unprecedented changes in behavior. We evaluated the current status of precautionary behavior and physical activity in chronic kidney disease (CKD) patients during the COVID-19 pandemic. Methods: A population of CKD patients (n = 306) registered in the Study on Kidney Disease and Environmental Chemicals (SKETCH, Clinical Trial No. NCT04679168) cohort recruited from June 2020 to October 2020 was included in the study. We conducted a questionnaire survey related to risk perception of COVID-19, precautionary behavior, and physical activity. Results: There were 187 patients (61.1%) with estimated glomerular filtration rate of <45 mL/min/1.73 m2 . This population showed a higher degree of risk perception for COVID-19 than the general population. Age was the most significant determinant of risk perception among CKD patients. During the pandemic, social distancing and hygiene-related behavior were significantly increased (p < 0.001). The frequency of exercise was decreased only in those who took regular exercise, without diabetes, or with a lower Charlson comorbidity index (CCI) (p < 0.001), with no change among the other groups. Socioeconomic status and comorbidities significantly affected behavioral characteristics regardless of the category. Education and income were significantly associated with precautionary behaviors such as staying at home and hand sanitizer use. Patients with higher CCI status significantly increased frequency of exercise (adjusted odds ratio, 2.10; 95% confidence interval, 1.01–4.38). Conclusion: CKD patients showed higher risk perception with active precautionary behavioral changes than the general population. Healthcare providers should be aware of the characteristics to comprise precautionary behavior without reducing physical activity.
10.Acer tegmentosum Maxim Prevents Bone Loss by Inhibiting Osteoclastogenesis and Promoting Osteoblast Mineralization in Ovariectomized Mice
Tae Woo OH ; Kwang-Il PARK ; Hyun Ju DO ; Kyungho KIM ; Hye Jin YANG ; Won Kyung CHO ; Jin Yeul MA
Natural Product Sciences 2020;26(1):83-89
Osteoporosis is a worldwide disease leading to significant economic and societal burdens globally. Osteoporosis is caused by unbalanced bone remodeling between the rate of osteoclast bone resorption and osteoblast bone formation. Acer tegmentosum Maxim (AT) is a traditional herbal medicine containing multiple biological activities such as anti-oxidant and anti-inflammatory purposes. However, its role in osteoporosis has not been fully studied. Therefore, we investigated whether AT has a potent inhibitory effect on osteoporosis and its mechanism through a systemic evaluation in ovariectomized (OVX) mice. OVX mice were orally administrated with the AT at doses of 50, 100, and 200 mg/kg for 10 weeks. Histological images and histomorphometry analyses were performed by H&E and Toluidine blue satin, and the expression levels of receptor activator for nuclear factor-kB ligand (RANKL), nuclear factor of activated T cells cytoplasm 1 (NFATc1), c-Fos, and matrix metalloproteinase 9 (MMP9) related to the osteoclast differentiation were investigated using immunohistochemical analysis. Administration of AT prevented bone loss and the alternations of osteoporotic bone parameters at the distinct regions of the distal femur and spongiosa region in OVX mice. Further, administration of AT increased periosteal bone formation in a dose-dependent manner. Meanwhile, AT inhibited not only the expression of NFATc1 and c-Fos, which are two major regulators of osteoclastogenesis but also reduced bone resorbed encoding expression of MMP9 and RANKL. Our results indicated that administration of AT prevented bone loss and the alternations of osteoporotic bone parameters at the distinct regions of the distal femur and spongiosa region in OVX mice. Also AT has the bone protective effect through the suppression of osteoclast and promotion of osteoblast, suggesting that it could be a preventive and therapeutic candidate for anti-osteoporosis.

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