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Kim, Jeonghoon,Jeong, Kyoung Yong,Kwon, Ho-Jang,Yang, Heasuk,Yum, Hye Yung,Lee, Seon Ah,Kim, Chae-Bong,Kim, Hyunjung,Lim, Wan Ryung,Hong, Soyoung,Kim, Kyoosang The Korean Society of Environmental Toxicology 2015 환경독성보건학회지 Vol.30 No.-
Objectives Bedding in childcare centers (CCCs) can hold house dust mite (HDM) allergens. This study examined whether HDM allergen levels can be reduced through the distribution of an educational newsletter on bedding control to parents of CCC children in Korea. Methods All 38 CCCs were measured for Der 1 (sum of Der f 1 and Der p 1) concentrations on classroom floors and bedding before the intervention. Educational newsletters on children's bedding control were sent to 21 CCCs by mail, and teachers were asked to distribute the newsletters to the parents of the children (intervention group). The remaining 17 CCCs were not sent newsletters (control group). The measurement of Der 1 concentrations in 38 CCCs was repeated after the intervention. Dust samples were collected with a vacuum cleaner and analyzed using enzyme-linked immunosorbent assay methods. Results The Der 1 concentrations on the bedding were significantly higher than those on the floors in 38 CCCs at baseline (p < 0.05). Although changes of the Der 1 concentrations for the control group (n=17) were not significant, Der 1 concentrations for the intervention group (n=21) decreased significantly from 2077.9 ng/g dust to 963.5 ng/g dust on the floors and from 3683.9 ng/g dust to 610.4 ng/g dust on bedding (p < 0.05). Conclusions The distribution of educational newsletters on bedding control to parents may be an effective means of controlling HDMs in CCCs.
Jeonghoon Kim,Kyoung Yong Jeong,Ho-Jang Kwon,Heasuk Yang,Hye Yung Yum,Seon Ah Lee,Chae-Bong Kim,Hyunjung Kim,Wan Ryung Lim,Soyoung Hong,Kyoosang Kim 환경독성보건학회 2015 환경독성보건학회지 Vol.30 No.-
Objectives: Bedding in childcare centers (CCCs) can hold house dust mite (HDM) allergens. This study examined whether HDM allergen levels can be reduced through the distribution of an educational newsletter on bedding control to parents of CCC children in Korea. Methods: All 38 CCCs were measured for Der 1 (sum of Der f 1 and Der p 1) concentrations on classroom floors and bedding before the intervention. Educational newsletters on children’s bedding control were sent to 21 CCCs by mail, and teachers were asked to distribute the newsletters to the parents of the children (intervention group). The remaining 17 CCCs were not sent newsletters (control group). The measurement of Der 1 concentrations in 38 CCCs was repeated after the intervention. Dust samples were collected with a vacuum cleaner and analyzed using enzyme-linked immunosorbent assay methods. Results: The Der 1 concentrations on the bedding were significantly higher than those on the floors in 38 CCCs at baseline (p <0.05). Although changes of the Der 1 concentrations for the control group (n=17) were not significant, Der 1 concentrations for the intervention group (n=21) decreased significantly from 2077.9 ng/g dust to 963.5 ng/g dust on the floors and from 3683.9 ng/g dust to 610.4 ng/g dust on bedding (p <0.05). Conclusions: The distribution of educational newsletters on bedding control to parents may be an effective means of controlling HDMs in CCCs.
한국 성인의 3차 흡연으로 인한 아이의 건강 유해성 인식과 관련 요인
김정훈(Jeonghoon Kim),윤진하(Jin-Ha Yoon),김지현(Jihyun Kim),이완형(Wanhyung Lee),김영광(Yeong-Kwang Kim),이승현(Seunghyun Lee),김규상(KyooSang Kim) 한국환경보건학회 2018 한국환경보건학회지 Vol.44 No.1
Objectives: Thirdhand smoke (THS) refers to residual tobacco smoke pollutants that remain after cigarette smoking. The purpose of this study was to determine predictors of the belief among adults in Korea that THS is harmful to children. Methods: A population-based sample of 3,000 adults (≥19 years) among a web-based panel in Korea was obtained in November 2016. The respondents filled out questionnaires, including THS beliefs, smoking status, presence of voluntary smoke-free rules at home, and support for the implementation of smoke-free regulations at home. THS beliefs were assessed with a statement that staying in a room today where people smoked yesterday can harm the health of children. Results: Overall, 92.2 % of adults believed that THS exposure could harm the health of children. Respondents who were nonsmokers, believed that SHS exposure were associated with pneumonia of children, lived in home with complete smoke-free rule at home, and supported the implementation of smoke-free regulation at home were more likely to believe that THS could harm for health of children. Conclusions: The majority of Korean adults believed that THS exposure could harm the health of children. Predictors identified in the study can be useful to address the risk of THS beliefs and promote implementation of tobacco control policies.
Jung Minyoung,Kang Urim,Kim Sukyung,Yoo Hye Won,Kim Hye-Young,Kim Minji,Lee Ji Young,Kim KyooSang,Lee Eunsun,Kang Byoung-Chul,Park Boram,Ahn Kangmo,Kim Jihyun 대한의학회 2023 Journal of Korean medical science Vol.38 No.27
Background: Food allergy (FA) can have a profound effect on quality of life (QoL), stress, and anxiety in the family. We aimed to validate the Korean version of the Food Allergy Quality of Life-Parental Burden (FAQL-PB) and identify factors related to the parental psychosocial burden of caring for children with FAs. Methods: Parents of children aged between 6 months and 17 years with immunoglobulin E (IgE)-mediated FAs from the Pediatric Allergy Department of five university hospitals in Korea were enrolled in the study. Parents were asked to complete the FAQL-PB, Food Allergy Independent Measure-Parent Form (FAIM-PF), Child Health Questionnaire-Parents Form 28 (CHQ-PF28), Beck’s Anxiety Inventory, Connor-Davidson Resilience Scale, and Patient Health Questionnaire-9 for depression. Statistical analyses included internal consistency, test-retest reliability, concurrent validity, discriminative validity, and logistic regression analyses. Results: A total of 190 parents were enrolled. Social activity limitation was the item with the highest FAQL-PB scores. The Cronbach’s α for each item was higher than 0.8. The test-retest reliability was good (intra-class correlation coefficient, 0.716; 95% confidence interval [CI], 0.100–0.935). An increase in the FAQL-PB was significantly associated with an increase in the FAIM-PF (β = 0.765, P < 0.001) (concurrent validity). There was a positive correlation between parental burden, anxiety, and depression, while resilience was inversely correlated with parental burden (all P < 0.001). The total FAQL-PB score in parents of children who had experienced anaphylaxis was significantly higher than that in parents of children who did not experience it (P = 0.008). When adjusting for age, sex, and underlying diseases, anaphylaxis (β = 9.32; 95% CI, 2.97 to 15.68), cow’s milk (CM) allergy (β = 8.24; 95% CI, 2.04 to 14.44), soybean allergy (β = 13.91; 95% CI, 1.62 to 26.20), higher anxiety (β = 1.05; 95% CI, 0.07 to 1.41), higher depression (β = 2.15; 95% CI, 1.61 to 2.69), and lower resilience (β = −0.42; 95% CI, −0.61 to −0.2) were significantly associated with greater parental burden in children with IgE-mediated FAs. Conclusion: FAQL-PB is a reliable and valid tool for use in Korea. Anaphylaxis, CM or soybean allergies, more anxiety and depression symptoms, and lower resilience are associated with poorer QoL in parents of children with FAs.
Sources, Effects, and Control of Noise in Indoor/Outdoor Living Environments
KyooSang Kim 대한인간공학회 2015 大韓人間工學會誌 Vol.34 No.3
Objective:To study the sources of indoor noise, its effects on human health, noise assessment and regulation through the use of standards, and techniques used to reduce noise. Background: Noise significantly affects the living environment, and there are an increasing number of reports of its impacts on human health. Method: We reviewed domestic and foreign data regarding environmental noise, and examined its effects and the standards used to regulate noise levels. Results: We describe the major sources of indoor noise and suggest possible legal standards, as well as recommended criteria for the control of noise. Conclusion: South Korea has higher legal standards of environmental noise than international standards in terms of threshold values. People in Korea are exposed to various sources of noise, and therefore the reduction of noise is urgently required. Application: Depending on the features of indoor spaces, an appropriate degree of indoor noise can be determined and techniques to reduce excess noise are required.
KyooSang Kim,Subong Kim,Jae Hee Lee 한국청각언어재활학회 2020 Audiology and Speech Research Vol.16 No.2
Purpose: This study aimed to compare objective speech recognition and subjective hearing handicap outcomes as a function of a degree of hearing loss. Methods: 120 elderly listeners participated, ranging in age from 60-83 years. Listeners’ degrees of hearing loss were derived corresponding to a newly proposed World Health Organization hearing impairment grading system. As objective outcomes, word and sentence recognition scores (WRS, SRS) in quiet were measured at an individually determined most comfortable level. The SRS in noise were obtained at 0 dB signal-to-noise ratio. The Korean Evaluation Scale for Hearing Handicap questionnaire for non-hearing aid users was used to evaluate the effects of hearing status on social and psychological aspects. Results: Within the same grading of hearing impairment, listeners tended to show a large individual variability in speech-in-noise recognition and subjective hearing handicaps. Listeners with even mild impairment had more reductions in SRS in noise and more handicaps in an interpersonal relationship compared to normal-hearing listeners. Among the listeners with no impairment or mild hearing impairment, listeners who had poorer sentence-in-noise scores actually showed greater hearing handicaps. The sentence-in-noise scores plus WRS explained the subjective hearing handicap by about 40%. Conclusion: The elderly with normal hearing or mild hearing loss can have reduced communication abilities in background noise, resulting in a negative effect on their social and psychological aspects. It is recommended to conduct the sentence-in-noise intelligibility test and the subjective hearing handicap survey as a standard audiometric measures to confirm the functional communication problems for the elderly.
Kim, Jeonghoon,Kwon, Ho-Jang,Lee, Kiyoung,Lee, Do-Hoon,Paek, Yujin,Kim, Sung-Soo,Hong, Soyoung,Lim, Wanryung,Heo, Jae-Hyeok,Kim, Kyoosang Oxford University Press 2015 NICOTINE & TOBACCO RESEARCH Vol.17 No.11
<P><B>Introduction:</B></P><P>The Korean government implemented a smoking ban at square floor area of ≥150 m<SUP>2</SUP>, rather than <150 m<SUP>2</SUP>, restaurants and pubs from July 2013. This study examined the effects of the smoking regulations in restaurants and pubs in terms of the air quality, biomarker levels and health effects on staff.</P><P><B>Methods:</B></P><P>Particulate matter smaller than 2.5 µm (PM<SUB>2.5</SUB>) was measured in 146 facilities before and 1 month after the ban. The urinary cotinine and 4-(methylnitrosamino)-1-(3-pyridyl)-1- butanol (NNAL) levels were measured in 101 staff members at 77 facilities before and 1 month after the ban. We also measured self-reported respiratory and sensory symptoms on both phases.</P><P><B>Results:</B></P><P>Of the 146 facilities, 121 facilities were included in the PM<SUB>2.5</SUB> analysis. In ≥150 m<SUP>2</SUP> pubs, the indoor PM<SUB>2.5</SUB> concentration was significantly reduced after the ban (<I>p</I> < .05). While the urinary cotinine concentrations of the staff in all facilities were not changed after the ban, the total NNAL concentrations of the staff in ≥150 m<SUP>2</SUP> pubs were significantly reduced after the ban (<I>p</I> < .05). The health effects on staff show that only sensory symptoms significantly improved in ≥150 m<SUP>2</SUP> facilities after the ban (<I>p</I> < .05).</P><P><B>Conclusions:</B></P><P>The smoking ban significantly reduced the levels of PM<SUB>2.5</SUB> and total NNAL concentrations in ≥150 m<SUP>2</SUP> pubs and improved sensory health among staff in ≥150 m<SUP>2</SUP> facilities. The results of this study can be useful in supporting an expansion of the smoking ban in all indoor places, including <150 m<SUP>2</SUP> restaurants and pubs.</P>