• The Journal of Korean Society for School & Community Health Education
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• v.24 no.3
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• pp.13-22
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• 2023

Objectives: The purpose of this study was to provide baseline data for management policies by exploring the association between alcohol and mental health in menopause and andropause middle-aged Methods: This study used the data from from the 8th National Health and Nutrition Examination Survey (2019-2021). Adults between the ages of 40 and 64 were considered menopause and andropause middle-aged and 7,704 of the total number of 8,549 subjects were selected as the final study subjects without missing data. Mental health was defined as depression diagnosis and suicidal thoughts, and drinking was defined as current drinking and high-risk drinking. SAS 9.4 was used for all statistical analyses. Results: There were significant differences between menopause middle-aged men and women in current drinking (83.4% for men and 66.6% for women) and in high-risk drinking (24.2% for men and 4.9% for women). The significant factors affecting the depression diagnosis were identified as economic activity, income level, and subjective health status for men and economic activity, income level, subjective health status, and smoking for women (p < .05). The significant factors affecting suicidal ideation included economic activity, income level, and subjective health status for men and economic activity, high-risk drinking, current smoking, and subjective health status for women (p < .05). Conclusion: As a result of analyzing the association between alcohol and mental health in menopause and andropause middle-aged adults, Drinking alcohol and high-risk drinking in women were associated with mental health, but insignificantly in men. Based on this study, it is necessary to program development and health education for the physical and mental health of menopausal middle-aged women exposed to alcohol, and to develop menopausal mental health management policies that take into account the gender differences.

• Journal of Audiology & Otology
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• v.23 no.2
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• pp.63-68
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• 2019

Background and Objectives: To investigate the relationship between hearing impairment and alcohol drinking patterns in South Korean adults. Subjects and Methods: Data collection was performed by Korean National Health and Nutrition Survey from January 1 to December 31, 2012. Data analyses were performed from February 20 to March 3, 2018. Data from 3,860 adults 20 years of age or older without a history of malignancy or chronic otitis media in the Korean National Health and Nutrition Survey 2012 database who participated in the health questionnaires, and who had available results from otologic examinations that included pure tone audiogram, were included. Pure-tone average hearing thresholds were calculated at 500, 1,000, 2,000, and 4,000 Hz. Hearing loss was defined as a pure-tone average >40 dB in one or both ears. The Alcohol Use Disorder Identification Test was used to evaluate drinking statuses of subjects. Data were analyzed using the complex-sample χ²-test of independence and a complex-sample logistic regression analysis. Results: Of the 29,954,319 individuals in the weighted cross-sectional study population, 15,106,040 (50.4%) were men and 14,848,098 (49.6%) were women. A total of 8.1% of men and 7% of women had hearing impairment. The degrees of drinking with appropriate, risky, and hazardous drinking habits were 58.2, 32.1, and 9.7% among men; and 76.4, 12.5, and 11.1% among women, respectively. Among men, the odds ratio of hearing loss increased by 2.506 times when comparing hazardous and appropriate drinking (confidence interval, 1.083 to 5.800, p=0.002). Moderate alcohol consumption (≤2 drinks per day) was not protective for hearing in either group. Conclusions: As hazardous drinking tends to coexist with hearing impairment in men, appropriate prevention and intervention strategies should be emphasized. A longitudinal study to investigate harmful drinking and the mechanism of hearing loss should be performed.

• Korean Journal of Audiology
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• v.23 no.2
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• pp.63-68
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• 2019

Background and Objectives: To investigate the relationship between hearing impairment and alcohol drinking patterns in South Korean adults. Subjects and Methods: Data collection was performed by Korean National Health and Nutrition Survey from January 1 to December 31, 2012. Data analyses were performed from February 20 to March 3, 2018. Data from 3,860 adults 20 years of age or older without a history of malignancy or chronic otitis media in the Korean National Health and Nutrition Survey 2012 database who participated in the health questionnaires, and who had available results from otologic examinations that included pure tone audiogram, were included. Pure-tone average hearing thresholds were calculated at 500, 1,000, 2,000, and 4,000 Hz. Hearing loss was defined as a pure-tone average >40 dB in one or both ears. The Alcohol Use Disorder Identification Test was used to evaluate drinking statuses of subjects. Data were analyzed using the complex-sample χ²-test of independence and a complex-sample logistic regression analysis. Results: Of the 29,954,319 individuals in the weighted cross-sectional study population, 15,106,040 (50.4%) were men and 14,848,098 (49.6%) were women. A total of 8.1% of men and 7% of women had hearing impairment. The degrees of drinking with appropriate, risky, and hazardous drinking habits were 58.2, 32.1, and 9.7% among men; and 76.4, 12.5, and 11.1% among women, respectively. Among men, the odds ratio of hearing loss increased by 2.506 times when comparing hazardous and appropriate drinking (confidence interval, 1.083 to 5.800, p=0.002). Moderate alcohol consumption (≤2 drinks per day) was not protective for hearing in either group. Conclusions: As hazardous drinking tends to coexist with hearing impairment in men, appropriate prevention and intervention strategies should be emphasized. A longitudinal study to investigate harmful drinking and the mechanism of hearing loss should be performed.

• Journal of Industrial Convergence
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• v.21 no.11
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• pp.147-154
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• 2023

This study aimed to investigate the relationship between the general characteristics of adolescents and their mental health in relation to experiences of heavy drinking. The research utilized raw data from the 18th Youth Health Behavior Online Survey (2022), focusing on 530 participants who reported experiencing heavy drinking in the past 30 days. The study applied weighted composite sample analysis, incorporating frequency, chi-square test, and logistic regression to examine the data. According to the research findings, experiences of heavy drinking showed statistically significant differences across variables such as gender, academic achievement, economic status, sexual experience, and smoking. Additionally, among the mental health characteristics, stress perception, depression, loneliness, suicidal thoughts, suicide planning, and suicide attempts were identified as influencing factors on heavy drinking experiences. These results underscore the need for prevention programs addressing alcohol consumption habits, considering the mental and physical health of adolescents. Developing programs that take into account the relationship between mental health and drinking habits can contribute to forming healthy lifestyle habits during adolescence.

• Proceedings of the Korea Society of Environmental Biology Conference
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• 2004.05a
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• pp.42-42
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• 2004

• Membrane Journal
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• v.13 no.1
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• pp.1-8
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• 2003

Membrane filtration systems have been focusing and increasing rapidly in the filed of drinking water treatment because of several reasons. We describe briefly the present state of membrane filtration processes for drinking water treatment in Japan: including background, objectives, membrane suppliers, and some cases of actual plants.

• Journal of Environmental Science International
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• v.20 no.5
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• pp.575-580
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• 2011

This study characterized water quality of groundwater and purified water used for drinking water in 30 schools in Gyeongsangbukdo Province. The results of the study showed that 43% of groundwater and 45% of purified water were not suitable for drinking. Among them, microbial contaminations were the most serious problem. In raw groundwater, the exceeding rates of total colony counts was the highest in August (53.6%). Purified water samples showed higher rate of exceeding drinking water standard for total colony counts while showing lower rate of exceeding drinking water standard for total coliforms and fecal coliforms in March and August. Overall, proper managements for microbial contaminations are required for both groundwater and purified water. Furthermore, special attention should toward students not to drink water when groundwater or purified water exceeds the drinking water quality standard.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.10 no.4
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• pp.805-810
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• 2009

This paper present a characteristic of formant variation in order to discriminate between drinking and nondrinking condition. By simulation experiments based on monosyllable, it is shown that the higher formant in F1, F2 and F3 in drinking speech signals compared with nondrinking speech signals. And I knew that the formant is very effective at distinction of drinking condition and nondrinking condition.

• Journal of Environmental Health Sciences
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• v.33 no.5
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• pp.428-433
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• 2007

To clarify the pioneer group in the development of biofilms in high chlorine residual water, a semi-pilot model system was operated and 16S rDNA V3 targeted PCR-DGGE was submitted. Biofilm formation occurred rapidly in the model of a drinking water distribution system. It reached $10^3\;CFU/cm^2$ or more on the surface of stainless steel, PVC, and galvanized iron in chlorinated (1.0 mg/l) water within a week. Within a week, uncultured Proteobacteria- and Bacillales group-like sequences were detected and Sphingomonas-like sequences were identified from all season and all pipe materials tested. Hence Sphingomonas species were regarded as the potential pioneer group in the development of biofilm in drinking water and this results would be useful for the prevention of biofilm formation and safety of drinking tap water.

• Journal of Environmental Science International
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• v.12 no.3
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• pp.275-279
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• 2003

A water quality analysis of rainwater collected from catchment equipment(2m${\times}$1m) was conducted to determine its suitability for domestic purposes, in this study. As the results of analysis, the pH of rainwater was 6.3${\pm}$0.3, and the turbidity of rainwater was over the 5 times than drinking water guidelines. For the usage of rainwater as the domestic and drinking water, the rainwater is need to treat. The analysis value of BOD was about 3 mg/L and the values of heavy metal as the Pb, Cd, Fe, Mn, Cr$\sub$6/$\^$+/and Cu was satisfied with drinking guidelines. Overall results of analysis support the possibility of rainwater as the domestic and drinking water.