Annals of Occupational and Environmental Medicine

Research Article

Association between green areas and allergic disease in Korean adults: a cross-sectional study: Hyun-Jin Kim, Jin-young Min, Hye-Jin Kim, Kyoung-bok Min; Ann Occup Environ Med 2020;32:e5. Published online January 22, 2020; DOI: https://doi.org/10.35371/aoem.2020.32.e5

Background

Although many epidemiological studies have reported the inverse associations between greenness and health outcomes, inconsistent associations in allergic diseases remain an issue. We aimed to identify associations between greenness and allergic diseases among Korean adults.

Methods

In total, 219,298 adults from the 2009 Korea Community Health Survey were included in this study. Individuals' allergy-related conditions, such as atopic dermatitis and allergic rhinitis, were evaluated. To identify the amount of green areas (m²) per capita in each administrative region, we used the 2009 data for green areas from the Korean Statistical Information Service.

Results

The risk for atopic dermatitis in the highest quartile of green areas was significantly lower compared with that of the lowest quartile. Physician's diagnosis and current treatment of odds ratios (ORs) with 95% confidence intervals (CIs) were 0.82 (0.73–0.91) and 0.77 (0.64–0.92), respectively. Similarly, the association results for allergic rhinitis showed that the highest level of green areas was significantly associated with a decreased risk of allergic rhinitis in full-adjustment model quartiles. Physician's diagnosis and current treatment of OR (95% CI) were 0.94 (0.89–0.99) and 0.91 (0.82–1.00), respectively.

Conclusions

We observed inverse associations of green areas with atopic dermatitis and allergic rhinitis in Korean adults.

Citations

Citations to this article as recorded by

Association of Soda Drinks and Fast Food with Allergic Diseases in Korean Adolescents: A Nationwide Representative Study
Jinyoung Jeong, Hyesu Jo, Yejun Son, Sooji Lee, Kyeongmin Lee, Yujin Choi, Hayeon Lee, Soeun Kim, Louis Jacob, Lee Smith, Jun Hyuk Lee, Sang Youl Rhee, Sunyoung Kim, Jiseung Kang, Jiyoung Hwang, Jaeyu Park, Selin Woo, Dong Keon Yon
International Archives of Allergy and Immunology.2024; : 1. CrossRef
Association of residential greenness with incident allergic rhinitis among adults: A prospective analysis of UK Biobank
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Science of The Total Environment.2021; 781: 146682. CrossRef

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Original Article

A Study on Comparison of the Metabolites Related with Working Methods and Immunity of the Toluene diisocyanate-Exposed Workers: Su Ill Lee, Byung Man Cho, In Kyung Hwang, Cheol Ho Lee, Jung Rae Park; Korean Journal of Occupational and Environmental Medicine 1998;10(3):320-332. Published online August 31, 1998; DOI: https://doi.org/10.35371/kjoem.1998.10.3.320

Abstract PDF

Following recent advanced industrialization. the amount of polyurethane to use as thermal insulating materials, upholstery mattresses and packing materials in automotive and furniture industry is increasing world-widely, and the number of polyurethane-producing worker will be increased. Because the numerous organic solvents are used in polyurethane-producing factory, the workers in this work site is exposed to many organic solvents. Of the organic solvents. Toluene Diisocyanate(TDI) has many hazardous effects to human. The effects of TDI on human are the irritation to respiratory mucosa and gastrointestinal symptoms. Conjunctival irritation, dermal inflammation (redness, pain, vesicular formation) and gastrointestinal symptom(nausea, vomiting, abdominal pain) are reported just after short-term exposure of TDI. TDI is known to give rise to bronchial asthma, as the immune disorder. And because of strongly volatile characteristics of TDI, it is suggested as a more injurious material to human health, especially human immune system, than other organic solvents. Bronchial asthma inducing mechanism of TDI is not clearly known, but on the analogy of TDI-induced symptoms and recent studies, early-onset asthma is type I hypersensitivity reaction mediated by immunoglobulin E(IgE), and late-onset asthma is maybe type III hypersensitivity reaction by circulating IgG. And we know that the complicated human immune function is likely to move in such that mechanisms, there are not studies on immune indices evaluating the bronchial asthma-related immune function. The evaluation of change patterns of humoral immunity including IgE and IgG and cellular immunity including T-helper cell, T-suppressor cell and T-cytotoxic cell will be helpful to evaluate exposure degrees and prognosis in TDI-exposed workers. Because TDA(toluene diamine) as a biological exposure index of TDI becomes the focus of interest, we know that a study on the correlation between urinary TDA and air TDI and immunological indices will make a contribution to biological effect monitoring indicies. We examined human immunity indicators such as WBC. %Lymph (percentile of Lymphocyte in WBC). %T-cell(percentile of T-lymphocyte in total lymphocyte). CD4, CD8, C3, C4, IgA, IgG, IgM, IgE in peripheral blood to evaluate the health hazard of the TDI-exposed workers. And we examined TDA to evaluate correlation between exposure and effect. Total 90 subjects was selected, 45 workers who worked in the polyurethane-producing factories as an exposed group, and 45 cases who were office workers(10 cases), other blue collors(27 cases), and medical college students(8 cases) as a control group. And the results were as follows ; 1. The logarithm of IgE -Log10(IgE)+/-SD- in peripheral blood of a exposed group was significantly higher than a control group, 2 22+/-.62 in case group compared with 1.98+/-.53 in control group.(p<0.05) 2. IgA and IgM in the polyurethane-producing workers were 261.02+/-3.12 mg/dl, 151.97+/-9.64 mg/dl, respectively, and 292.77+/-00.45, 179.17+/-00.78 in control group. IgA and IgM was slightly lower in polyurethane-producing group than control (p>0.05). 3. WBC, %Lymph, %T-cell, C3, C4, CD4, CD8, CD4/CDB ratio and IgG in case group were 6,391.1 ea/ml, 37.53%, 59.54%, 76.68 mg/dl, 30.54 mg/dl, 0.76x10(9) ea/L, 0.63x10(9) ea/L, 1.39, and 1606.29 mg/dl, respectively, and 6,974.7 ea/ml, 35.12%, 59.64%, 71.95 mg/dl, 33.94 mg/dl, 0.80x109 ea/L, 0.61x10(9) ea/L, 1.39, and 1581.51 mg/dl in control group. There was no statistical sinificance between two groups. (p>0.05) 4. In the comparison of each other companies, average of individual urinary TDA in polyurethane paint manufacturing companies is higher than that of polyurethane sponge foaming companies. And, the concentration of 2,6-TDA which is a metabolite of well-vaporized 2,6-TDI is higher than that of 2,4-TDA in the polyurethane sponge foaming companies. But, the concentration of 2,4-TDA which is a metabolite of illvaporized but well skin-absorbed 2,4-TDI is higher in polyurethane paint manufactures. 5. There were no statistical significance in the correlations between individual urinary TDA and immunologic indices.

Citations

Citations to this article as recorded by

Biological Monitoring of Workers Exposed to Diisocyanates using Urinary Diamines
Jong Seong Lee, Boowook Kim, Jungah Shin, JinEe Baek, Jae Hoon Shin, Ji-hye Kim
Journal of Korean Society of Occupational and Environmental Hygiene.2016; 26(2): 178. CrossRef

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